Technical Service Bulletins

2008-06-04: No Movement When Transmission is Shifted to Drive or Third - Normal Operation When Shifted to Second, First or Reverse (Replace Forward Sprag Assembly) (08-07-30-027)
2007-12-05: 60 Degree V6 Engine Oil Leak at Crankshaft Front Oil Seal (Use New Crankshaft Front Oil Seal Installer Tool EN-48869) (07-06-01-023)
2007-10-02: Engine Oil Leak at Crankshaft Rear Main Oil Seal (Install Revised Crankshaft Rear Main Oil Seal Using Revised Rear Main Seal Installer and Remover Tools) (05-06-01-019F)
2006-01-27: Service VME - Use Correct Engine Oil Drain Plug - keywords drain engine leak oil pan plug replace (PIP3696)
2006-01-18: Info - New Product Feedback Form and Process for Automatic Transmission Core Returns (01-07-30-029A)
2001-04-06: Info - Current CIPS Campaign Number to Previous DIvisional Campaign Number (01-00-89-008)
1999-12-23: Info - Dealer Installed Rear Seat Lap/Shoulder Belt Kits (99-09-40-006)
1997-12-11: WARRANTY ADMIN - ACDELCO REMANUFACTURED ENGINES (72-05-07)
1997-11-20: CLARIFICATION OF RAIL DUST REM (A5575-A5580) (72-05-11)
1997-11-01: WARRANTY ADMIN. - LABOR OPERATION CODE Z1241 (62-05-02A)
1997-04-17: INFO. ON A/C TOOL AND EQUIPMENT MAINTENANCE (63-12-08A)
1997-01-01: GUIDELINES FOR RETROFITTING R-12 VEH. TO R-134A (43-12-07E)
1996-12-01: SERVICE ADMINISTRATION - WARRANTY CLAIMS PROCESSING (31-05-03C)
1996-11-01: ENGINE NOISE (REPL. WITH NEW DESIGN EXHAUST MANIFOLD) (37-66-02B)
1996-10-01: DRIVELINE CLUNK (56-44-01A)
1996-10-01: PROCEDURE TO HANDLE CUSTOMER RADIO CONCERNS (68-96-01A)
1996-09-01: ACDELCO SERVICE CENTER LOC. FOR ODOMETER/SPEEDOMETER (66-83-04A)
1996-06-05: WARRANTY ADMIN. - GOODWRENCH SERVICE PLUS LIFETIME SERVICE (68-05-03)
1996-05-07: INFORMATION ON CAMPAIGN SYSTEM COMMONIZATION (62-07-01)
1996-05-06: INFO. ON ENHANCED EMISSION INSPECTION MAINTENANCE PROGRAM (63-65-32)
1996-05-01: AC DELCO LOCATOR SVCS FOR DELCO ELECTRONICS EXCHANGE (58-83-02B)
1996-05-01: WARRANTY ADMINISTRATION TIRE REPLACEMENTS (60-05-01A)
1996-04-15: INFO. ON HEADLAMP LENS DISTORTION (63-81-11)
1996-01-04: TECHNICAL ASSISTANCE PRE-CALL WORKSHEET (51-01-07)
1995-11-29: INFO. ON ENHANCED EMISSION INSPECTION MAINTENANCE (53-65-07)
1995-10-10: WARRANTY INFORMATION ALL MODELS - ALL YEARS (58-05-03)
1995-08-10: REVISED TECH 1 MASS STORAGE CARTRIDGE (MSC) OXYGEN SENSOR (51-65-47)
1995-07-19: WARRANTY ADMINISTRATION - INFO. ON PREVIOUSLY RELEASED (56-05-03)
1995-06-12: INFO. ON REFORMULATED GASOLINE (RFG) (57-01-02)
1995-06-01: CAMPAIGN: SERVICE PART FUEL TANK SENDER RING WELDS (91-C-51)
1995-05-15: INFORMATION ON CONTAMINATED R12 REFRIGERANT TESTING (53-12-05)
1995-04-27: INFORMATION ON GM CAMPAIGN IDENTIFICATION LABEL (51-01-03)
1995-04-01: INFORMATION ON SIERRA-BRAND ENGINE COOLANT (43-62-01B)
1995-03-28: WARRANTY ADMINISTRATION DEALER/RETAILER ADMINISTRATION (57-05-01)
1995-03-01: SMU - SECTION 0 - GENERAL INFORMATION (57-02-01)
1995-02-03: SMU - INFO. ON INSPECTION/ MAINTENANCE (I/M) EMISSIONS (51-65-02)
1995-01-26: INFO. ON POSSIBLE INTERNAL ENGINE CYLINDER DAMAGE (57-63-03)
1995-01-11: ENHANCED EMISSION INSPECTION MAINTENANCE PROGRAM (43-65-10)
1994-11-29: INFO. ON ENHANCED EMISSION INSPECTION MAINTENANCE PROGRAM (43-65-07)
1994-10-25: REV. TO ADHESIVE CAULKING KIT, NEW PRIMERS & PART NUMBERS (43-10-48)
1994-09-15: DLR. PRODUCT CAMPAIGN BULLETIN NUMBERING SYSTEM (41-01-03)
1994-09-14: INFO. ON SLIP YOKE REPLACEMENT AND U-JOINT SERVICING (46-41-01)
1994-09-12: INFO. ON NEW PROM/MEMCAL IDENTIFICATION MARKINGS (44-65-01)
1994-09-08: CONTAMINATED A/C REFRIGERANT (INFORMATIONAL) (43-12-23)
1994-09-01: INFORMATION ANNOUNCING THE NEW CORPORATE BULLETIN (33-01-05A)
1994-08-16: OBTAINING TECHNICAL ASSISTANCE (I/M 240 REPAIRS) (43-65-06)
1994-07-18: INFORMATION ON RELEASE OF SERVICE PKG. FOR NICKEL TAPE (14-93-01)
1994-06-30: INFORMATION ON J39400 A/C LEAK DETECTOR MAINTENANCE KIT (43-12-18A)
1994-06-20: INFORMATION ON SPEED RATED TIRES (43-35-02)
1994-06-08: WARRANTY ADMINISTRATION - NEW LABOR OPERATION NUMBER (42-05-06)
1994-06-06: INFORMATION ON ENHANCED PF 52 AND PF 1218 OIL FILTERS (47-61-18)
1994-05-13: WARRANTY ADMINISTRATION - EMISSION WARR. PARTS COVERAGE (47-05-01)
1994-04-08: REDUCED PWR STEERING ASSIST AT LOW AMBIENT TEMPERATURES (03-32-06)
1994-03-29: ENHANCED INSPECTION MAINTENANCE PROGRAMS (43-65-05)
1994-02-01: INFORMATION ON AFTER MARKET ANTI-LOCK BRAKE SYS. PRODUCTS (43-50-01)
1994-01-28: INFO. ON USE OF LOW SULFUR DIESEL FUEL-LUBRICITY CONCERN (37-63-03)
1993-12-22: RETROFITTING R-12 VEHICLES TO R-134A (INFORMATIONAL) (33-12-26)
1993-07-01: LEAKING CAST ALUMINUM WHEELS (REPAIR WITH ADHESIVE SEALANT) (93-3E-100)
1993-06-15: AUTOMATIC TRANS. COOLER REPL. (INFORMATIONAL) (93-7A-97)
1993-06-15: AUTOMATIC TRANS. COOLER REPL. (INFORMATIONAL) (93-7A-147)
1993-06-01: INFORMATION ON COSMETIC DAMAGE TO ALUMINUM WHEELS DURING BAL. (93-3E-67)
1993-05-25: RECYCLING OF USED OIL FILTERS (INFORMATIONAL) (93-0A-90)
1993-05-19: INFO. ON SERVICING VEHICLE WITH CONTAMINATED TRANS. FLUID (93-7A-84)
1993-05-19: INFO. ON SERVICING VEHICLE WITH CONTAMINATED TRANS. FLUID (93-7A-142)
1993-05-06: A/C R-134A REFRIGERANT (INFORMATION) (93-1B-78)
1993-05-06: A/C R-134A REFRIGERANT (INFORMATION) (93-1B-126)
1993-04-30: BINDING/STICKING LOCK CYLINDER RECOMMENDED LUBRICATIONS (93-10-194)
1993-03-31: R4 A/C COMPRESSOR MOAN/NOISE/ VIBRATION BULLETIN CANCEL (93-1B-117)
1993-03-16: SERV. MAN. UPD. -SEC 7A-TRANS. UNIT REPAIR UPDATE 3-4 CLUTCH (93-U-013)
1993-03-16: SMU-SEC 7A-TRANS. UNIT REPAIR UPDATE 3-4 CLUTCH (93-7A-611)
1993-03-16: ILLUSTRATED STEERING SYSTEM BLEED PROCEDURE (38-30-01A)
1993-03-01: DOOR LOCK CYLINDER RECOMMENDED LUBRICATIONS (93-10A1-52)
1993-02-01: R4 A/C COMPRESSOR MOAN, VIBRATION NOISE (89-1B-118A)
1993-01-27: INFO. ON FACTORS THAT AFFECT FUEL ECONOMY (30-65-02)
1993-01-08: DIFFERENTIAL PINION SHAFT LOCKING SCREW (INFORMATIONAL) (93-4B-41)
1993-01-08: DIFFERENTIAL PINION SHAFT LOCKING SCREW (INFORMATIONAL) (93-4B-102)
1992-12-10: INFO. ON PERCEIVED LOW POWER UNDER SOME ROAD/LOAD CONDITION (93-6E-33)
1992-12-10: INFO. ON PERCEIVED LOW POWER UNDER SOME ROAD/LOAD CONDITION (93-6C-108)
1992-12-01: ENG. MISS, HESITATION & ROUGH PIERCED SECONDARY IGNITION (93-6D-102)
1992-11-30: ALTERNATE REFRIGERANTS INFORMATION (93-1B-102)
1992-11-01: INDUSTRIAL FALLOUT-PAINT DAM. FINESSE TYPE REPAIRS (93-10-30)
1992-11-01: INDUSTRIAL FALLOUT-PAINT DAM. FINESSE TYPE REPAIRS (92-2-128)
1992-11-01: INDUSTRIAL FALLOUT-PAINT DAM. FINESSE TYPE REPAIRS (93-10-148)
1992-10-31: A/C COMPRESSOR SHAFT NUT REMOVAL (IMPROVED QUALITY) (93-1D-100)
1992-10-02: BUZZING NOISE AT IDLE (INSTALL PRESSURE REGULATOR VALVE) (93-7A-18)
1992-10-02: BUZZING NOISE AT IDLE (INSTALL PRESSURE REGULATOR VALVE) (93-7A-110)
1992-09-01: INFO. ON GMC TRUCK BULLETINS NEW NUMBERING SYSTEM (93-0A-01)
1992-09-01: ALTERNATE REFRIGERANTS INFORMATION (93-1B-8)
1992-06-22: PAINT CHIPS - EXTERIOR LEADING EDGES (APPLY CHIP PROTECTOR) (92-10-104)
1992-06-16: SERVICE GUILD: INFO ON AVOID DAMAGE TO TIRE WHEELS (92-3E-108)
1992-06-16: SERVICE GUILD: INFO ON AVOID DAMAGE TO TIRE WHEELS (92-3-123)
1992-05-31: BRAKE PULSATION SERVICE INFORMATION (88-5-121)
1992-05-27: A/C LEAK (DIAGNOSIS BULLETIN) ALL MODELS 1992 AND PRIOR (92-1B-92)
1992-04-30: ENGINE BLOCK HEATER LEAKS REPLACE HEATER WITH NEW P/N (92-6B-71A)
1992-04-14: LOCKING DIFF. GOVERNOR TOOL REVISION (INFORMATIONAL) (92-4B-80)
1992-04-14: LOCKING DIFF. GOVERNOR TOOL REVISION (INFORMATIONAL) (92-4-104)
1992-04-03: ENG. BLOCK HEATER LEAK-INSTALL REDESIGNED BLOCK HEATER (92-6-116)
1992-04-01: PROM I.D. NOT RECOGNIZED BY THE T-100 (GM CAMS) TERMINAL (23-65-08)
1992-03-24: INFO ON COATED WHEEL WEIGHTS USED FOR ALUMINUM WHEELS (92-3E-74)
1992-03-24: INFO ON COATED WHEEL WEIGHTS USED FOR ALUMINUM WHEELS (92-3-121)
1991-12-14: TAIL PIPE SMOKE ON START-UP (INSTALL NEW VALVE SEAL KIT) (91-657-113)
1991-12-03: REV. LIGHTS OR TAILGATE WINDOW INOPERATIVE-INSTALL NEW SWITCH (91-8A-170)
1991-12-03: REV. LIGHTS OR TAILGATE WINDOW INOPERATIVE-INSTALL NEW SWITCH (91-8-243)
1991-11-12: TAIL PIPE SMOKE ON START-UP (INSTALL NEW VALVE SEAL KIT) (91-6A-167)
1991-11-12: TAIL PIPE SMOKE ON START-UP (INSTALL NEW VALVE SEAL KIT) (91-650-108)
1991-11-07: INTERMIT TRANS DOWNSHIFT/SLIP DIAGNOSIS (92-7A-33)
1991-11-07: INTERMIT TRANS DOWNSHIFT/SLIP DIAGNOSIS (92-73L80-100)
1991-11-06: BINDING/STICKING LOCK CYLINDER RECOMMENDED LUBRICATIONS (92-2-141)
1991-10-15: A/C COMPRESSOR SHAFT NUT REMOVAL (IMPROVED QUALITY) (93-1B-11)
1991-10-11: ENGINE DRIVEABILITY-SURGE AND DETONATION-DIAG. REPLACE PARTS (89-6E-140)
1991-10-11: ENGINE DRIVEABILITY-SURGE AND DETONATION-DIAG. REPLACE PARTS (92-674-100)
1991-10-02: DEXRON IIE A/T FLUID PREFERRED (GENERAL INFORMATION) (92-7A-19)
1991-10-02: DEXRON IIE A/T FLUID PREFERRED (GENERAL INFORMATION) (92-7-100)
1991-09-30: 3-4 CLUTCH/2-4 BAND SERVICE INFORMATION/SERVICE PROCEDURES (91-7-113)
1991-09-20: HARD STARTING COLD-6.2L DIESEL (INSTALL NEW REGULATOR/PUMP) (89-6A-139)
1991-09-20: A/C REFRIGERANT LOSS DUE TO LOOSE OR MISSING ACCESS CAPS (91-1B-112A)
1991-09-20: HARD STARTING COLD-6.2L DIESEL (INSTALL NEW REGULATOR/PUMP) (92-662-100)
1991-08-30: FLUID LEAKING FROM TRANS VENT (DIAGNOSTIC TIPS/SERVICE INFO) (90-7A-128)
1991-08-30: FLUID LEAKING FROM TRANS VENT (DIAGNOSTIC TIPS/SERVICE INFO) (90-73L80-108)
1991-08-15: LOCKING DIFFERENTIAL LUBRICANT (SERVICE INFORMATION) (91-4-109)
1991-08-14: SERVICE GUILD: COOLANT RECYCLING UPDATE (91-0-106)
1991-08-12: 3-4 CLUTCH/2-4 BAND SERVICE (INFORMATION/PROCEDURES) (91-7A-139)
1991-08-12: 3-4 CLUTCH/2-4 BAND SERVICE (INFORMATION/PROCEDURES) (91-74L60-109)
1991-08-09: SERVICE GUILD: DETECTING ELECT INTERMITTENTS DIAGNOSTIC (92-8A-09)
1991-08-09: SERVICE GUILD: DETECTING ELECT INTERMITTENTS DIAGNOSTIC (92-8-102)
1991-08-08: SERVICE GUILD: EVALUATING PEENED SPACER PLATE (91-7A-141)
1991-08-08: NEW STYLE HOSE CLAMP SERVICE INFORMATION (92-6B-08)
1991-08-08: SERVICE GUILD: EVALUATING PEENED SPACER PLATE (91-7-115)
1991-08-08: NEW STYLE HOSE CLAMP SERVICE INFORMATION (92-6-103)
1991-08-01: NEW OUTPUT SHAFTS & SEALS (PRODUCT SERVICE INFORMATION) (91-7A-134)
1991-08-01: NEW OUTPUT SHAFTS & SEALS (PRODUCT SERVICE INFORMATION) (91-74L60-108)
1991-07-31: LOCKING REAR AXLE CHATTER (MAINT./WARRANTY INFO.) (91-4B-124)
1991-07-26: AC DELCO ADVANCE EXCHANGE PROGRAMS (REVIEW) (91-0A-131)
1991-07-24: DAMAGED ECM/PCM MIS-DIAGNOSIS INCORRECT 'TAP-TESTING' (91-6D-132)
1991-07-24: DAMAGED ECM/PCM MIS-DIAGNOSIS INCORRECT 'TAP-TESTING' (91-6-121)
1991-06-28: TRANS. STUCK IN 1ST GEAR (INSTALL RETAINING RING) (91-7A-125)
1991-06-28: TRANS. STUCK IN 1ST GEAR (INSTALL RETAINING RING) (91-74L60-106)
1991-06-11: CAMPAIGN: OUTSIDE REAR VIEW MIRROR INSTALLATION (89-C-14)
1991-06-11: INFORMATION ON STATE EMISSION TESTING FOR ALL MODELS (91-6E-114)
1991-06-11: INFORMATION ON STATE EMISSION TESTING FOR ALL MODELS (91-6-120)
1991-05-23: INFO ON NON-FACTORY INSTALLED HYDRAULIC PARKING BRAKE (91-5-101)
1991-05-23: INFO ON NON-FACTORY INSTALLED HYDRAULIC PARKING BRAKE (91-5-140)
1991-05-15: BINDING OR INOP REVERSE STUCK 3-4 SEQ. VALVE 2-3 SHIFT (91-74L60-104)
1991-05-10: SERVICE GUILD: HIGH VOL.-LOW PRESSURE PAINT APPLICATION (91-10-109)
1991-05-10: SERVICE GUILD: HIGH VOL.-LOW PRESSURE PAINT APPLICATION (91-2-206)
1991-04-30: NEW TRANS LEVEL INDICATOR (AVAILABILITY/SERVICING) (90-74T60-125)
1991-04-30: A/C REFRIGERANT LOSS DUE TO LOOSE/MISS. ACCESS FITTING CAP (91-1-123)
1991-04-22: BINDING OR INOP IN REVERSE STUCK 4-3 SEQUENCE VALVE (91-7A-87)
1991-04-19: DAMAGE TO ECM/PCM CIRCUIT BOARD WHEN INSTALLING MEM-CAL (91-6D-113)
1991-04-19: DAMAGE TO ECM/PCM CIRCUIT BOARD WHEN INSTALLING MEM-CAL (91-6-117)
1991-03-12: CHECKING CLEAR COAT THICKNESS BEFORE & AFTER PAINT FINESSE (91-10-82)
1991-03-12: PAINT ETCHING/STAINING AND PERMANENT WATER SPOTTING (91-10-83)
1991-03-12: PAINT ETCHING/STAINING AND PERMANENT WATER SPOTTING (91-2-175)
1991-03-12: CHECKING CLEAR COAT THICKNESS BEFORE & AFTER PAINT FINESSE (91-2-181)
1991-02-20: NEW TRAN.FLUID LEVEL INDICATOR INDICATOR SEALS AT FILL TUBE (90-7A-118)
1991-02-20: BRAKE BLEEDING TOOL MODIFIED PRESSURE BLEEDING BRAKE SYSTEM (91-5-71)
1991-02-20: NEW TRAN.FLUID LEVEL INDICATOR INDICATOR SEALS AT FILL TUBE (90-73L80-106)
1991-02-20: TRANS. FLUID LEVEL INDICATOR (INDICATOR SEALS AT FILL TUBE) (90-74L60-115)
1991-02-15: NO START/VEHICLE BATTERY DEAD PARASITIC CURRENT DRAIN TEST (91-6D-88)
1991-02-15: NO START/VEHICLE BATTERY DEAD PARASITIC CURRENT DRAIN TEST (91-8-172)
1991-02-07: SERVICE REPLACEMENT TRANS.ASSY (SRTA) PROGRAM PROCEDURES (91-7A-117)
1991-02-07: SERVICE REPLACEMENT TRANS.ASSY (SRTA) PROGRAM PROCEDURES (90-73L80-105)
1991-01-29: 4L60 LOW & REVERSE CLUTCH NEW WAVE PLATE IS AVAILABLE (91-7A-64)
1991-01-29: 4L60 LOW & REVERSE CLUTCH NEW WAVE PLATE IS AVAILABLE (91-74L60-103)
1991-01-15: HEIGHT SENSING BRAKE VALVE ADJUSTMENT PROCEDURE & INFO (89-5-126)
1991-01-15: NEW 3-4 CLUTCH PLATES (STEEL) HYDRA-MATIC 4L60 TRANSMISSION (91-74L60100)
1990-12-31: CHATTERING WIPER BLADES OR WIPEABILITY (91-8D-39)
1990-12-31: CHATTERING WIPER BLADES OR WIPEABILITY (91-2-123)
1990-12-31: BRAKE EFFECTIVENESS AFTER ROTOR REFINISHING (91-5-109)
1990-12-10: SERVICE ENGINE SOON LIGHT POSSIBLE FALSE CODE 32 (91-6E-43)
1990-12-10: ELECTRO-MECHANICAL INSTRUMENT CLUSTER REPLACEMENT INFO (91-8C-47)
1990-12-10: HEIGHT SENSING BRAKE PROPORTIONING VALVE ADJ. (89-5-137)
1990-12-10: SERVICE ENGINE SOON LIGHT POSSIBLE FALSE CODE 32 (91-6-105)
1990-10-15: SERVICE REPLACEMENT TRANS ASSY (SRTA) UPDATE (90-7A-108)
1990-09-21: DIRECT CLUTCH DISTRESS CAUSE & CORRECTION OUTLINED (90-7A-105)
1990-09-21: CHECKING CONNECTOR TERMINAL CONTACT - METRI - PACK (91-8A-28)
1990-09-21: DIRECT CLUTCH DISTRESS CAUSE & CORRECTION OUTLINED (90-73L80-104)
1990-09-21: CHECKING CONNECTOR TERMINAL CONTACT - METRI - PACK (91-8-108)
1990-09-13: WIND NOISE/COLD AIR INTRUSION AT DOORS(NEW DOOR SEALS) (90-10-98)
1990-09-13: WIND NOISE/COLD AIR INTRUSION AT DOORS(NEW DOOR SEALS) (90-2-240)
1990-08-15: ENG. NO START AFTER EXTENDED STORAGE (VITON HOSE KIT) (90-6C-89)
1990-08-15: STATE EMISSIONS TESTING INFORMATION / PROCEDURE (91-6E-15)
1990-08-15: ENG. NO START AFTER EXTENDED STORAGE (VITON HOSE KIT) (90-6-113)
1990-05-16: AIR CLEANER CLAMP SERVICE KIT TO INCREASE SEALING LOAD (91-6-06)
1990-05-16: AIR CLEANER CLAMP SERVICE KIT TO INCREASE SEALING LOAD (90-643-102)
1990-04-23: RESTRICTION SWITCH ELIMINATED FROM FUEL FILTER BASE-P/N (90-6C-45)
1990-04-23: RESTRICTION SWITCH ELIMINATED FROM FUEL FILTER BASE-P/N (90-662-100)
1990-04-12: FRONT TIRE WEAR LIGHT DUTY TRUCKS -ROTATION RECOMMENDED (91-3E-08)
1990-04-12: FRONT TIRE WEAR LIGHT DUTY TRUCKS -ROTATION RECOMMENDED (90-3-120)
1990-04-11: INSTALLATION GUIDELINES FOR AFTERMARKET ACCESSORIES (90-9-66)
1990-04-11: INSTALLATION GUIDELINES FOR AFTERMARKET ACCESSORIES (90-8-184)
1990-03-21: PARASITIC DRAIN ON BATTERY AMMETER CONNECTING PROCEDURE (91-6D-03)
1990-03-21: PARASITIC DRAIN ON BATTERY AMMETER CONNECTING PROCEDURE (90-8-170)
1990-03-15: NEW ON-VEHICLE SERV. PROC. REMOVE REAR CASE OR EXT. BUSH (90-7200-100)
1990-01-30: NEW ON-VEHICLE SERV. PROCEDURE REMOVE REAR CASE OR EXT. BUSH (90-7A-42)
1990-01-30: NEW ON-VEHICLE SERV. PROCEDURE REMOVE REAR CASE OR EXT. BUSH (90-7700-107)
1990-01-25: FRONT COWL/VENT WINDOW WIND NOISE -REPLACE INSULATOR (90-10-26)
1990-01-25: FRONT COWL/VENT WINDOW WIND NOISE -REPLACE INSULATOR (90-2-128)
1990-01-22: REVISED CYLINDER HEAD GASKET IMPROVED SEALING (89-643-104)
1990-01-22: REVISED CYLINDER HEAD GASKET IMPROVED SEALING (89-650-109)
1990-01-04: LOCKING DIFFERENTIAL (G80) LUBRICANT SERVICE INFORMATION (90-4-103)
1989-12-15: REVISED CYLINDER HEAD GASKET IMPROVED SEALING (89-6A-121)
1989-12-15: REVISED CYLINDER HEAD GASKET IMPROVED SEALING (88-657-116)
1989-12-12: 2-4 BAND CHANGES APPLY/ANCHOR BRACKETS AND NEW LUBE WINDOW (90-7A-31)
1989-12-12: 2-4 BAND CHANGES APPLY/ANCHOR BRACKETS AND NEW LUBE WINDOW (90-7700-106)
1989-11-28: CRANKSHAFT SPROCKET KEY SHEAR (VIBR. DAMPERS COMING LOOSE) (89-6A-116)
1989-11-28: CRANKSHAFT SPROCKET KEY SHEAR (VIBR. DAMPERS COMING LOOSE) (89-662-101)
1989-11-17: R4 A/C COMPRESSOR NOISE (REPLACE COMPRESSOR) (89-1-145)
1989-11-14: NEW VIP OVERNIGHT SERVICE PARTS DELIVERY PROGRAM (90-0A-18)
1989-11-09: LOOSE CARPET ON SIDE WALL TRIM PADS (REPAIR PROCEDURE) (90-10-21)
1989-11-09: LOOSE CARPET ON SIDE WALL TRIM PADS (REPAIR PROCEDURE) (90-2-114)
1989-10-23: SERPENTINE BELT W/WORN IDLER PULLEY OR TENSIONER (89-650-107)
1989-10-23: SERPENTINE BELT W/WORN IDLER PULLEY OR TENSIONER (89-657-111)
1989-10-23: SERPENTINE BELT W/WORN IDLER PULLEY OR TENSIONER (89-674-103)
1989-10-20: REAR DOOR OPERA WINDOW WHISTLE WIND NOISE/REPLACE WINDOW SEAL (89-10-113)
1989-10-20: REAR DOOR OPERA WINDOW WHISTLE WIND NOISE/REPLACE WINDOW SEAL (89-2-200)
1989-10-06: TIRE COMPANY WARRANTY ASSISTANCE PROGRAMS (92-3E-37)
1989-10-03: A/C ODOR ON TRUCKS (CLEANING PROCEDURE) (89-1B-111)
1989-10-02: TAILPIPE SMOKE ON START UP DIAGNOSIS INFORMATION (88-650-117)
1989-10-02: TAILPIPE SMOKE ON STARTUP DIAGNOSIS INFORMATION (88-657-120)
1989-10-02: BINDING OR INOP. IN REVERSE STUCK 4-3 SEQ. VALVE/2-3 SHIFT (89-7700-108)
1989-09-27: SERVICE GUILD: USE OF FUEL WITH 15% MTBE IN ALL GM VEH. (89-0A-119)
1989-09-21: GMC. TRUCK SERVICE BULLETINS NUMBERING SYS. GROUP CODE INFO (90-0A-08)
1989-09-18: PACKARD 32 WAY CONNECTOR IDENTIFICATION APPLICATIONS (89-8-206)
1989-08-31: SERPENTINE BELT W/WORN IDLER PULLEY OR TENSIONER (89-6A-107)
1989-08-31: SERPENTINE BELT W/WORN IDLER PULLEY OR TENSIONER (89-643-103)
1989-08-18: SERVICE GUILD: RECONSTITUTED ANTI-FREEZE INFORMATION (90-0A-39)
1989-08-18: SERVICE GUILD: RECONSTITUTED ANTI-FREEZE INFORMATION (90-0-101)
1989-08-10: CFC REDUCTION AND REFRIGERANT RECOVERY (RECYCLING PROGRAM) (90-0A-22)
1989-08-10: CFC REDUCTION AND REFRIGERANT RECOVERY (RECYCLING PROGRAM) (89-1-126)
1989-08-03: NO COLD START CAPABILITY WHEN GLOW PLUG WAIT IS NOT OBSERVED (89-6D-105)
1989-08-03: NO COLD START CAPABILITY WHEN GLOW PLUG WAIT IS NOT OBSERVED (89-662-104)
1989-07-26: A/T TRANSAXLE FLUID COLOR LEVEL CHECK INFORMATION (89-7A-104)
1989-07-26: A/T TRANSAXLE FLUID COLOR LEVEL CHECK INFORMATION (89-7-119)
1989-06-19: CORRECT INTAKE MANIFOLD GASKET INSTALLATION (89-650-103)
1989-06-19: CORRECT INTAKE MANIFOLD GASKET INSTALLATION (89-657-105)
1989-06-15: INCORRECT CRUISE CONTROL RESUME OPERATION (89-T-89)
1989-06-15: INCORRECT CRUISE CONTROL RESUME OPERATION (89-8-178)
1989-06-09: PROPER USAGE OF SPACER PLATE GASKETS IN OVERHAUL KIT (89-T-80)
1989-06-09: PROPER USAGE OF SPACER PLATE GASKETS IN OVERHAUL KIT (89-7700-106)
1989-05-31: EVALUATING DRIVELINE VIBRATION (DIAGNOSIS FAULT TREE) (89-T-73)
1989-05-31: EVALUATING DRIVELINE VIBRATION (DIAGNOSIS FAULT TREE) (89-0-116)
1989-05-16: CORRECT INTAKE MANIFOLD GASKET INSTALLATION (90-T-02)
1989-05-16: CORRECT INTAKE MANIFOLD GASKET INSTALLATION (89-643-100)
1989-04-27: FRONT BRAKE NOISE REVISED PROCEDURE (89-T-60)
1989-04-27: FRONT BRAKE NOISE REVISED PROCEDURE (89-5-117)
1989-04-16: MOAN NOISE WITH A/C ON INSTALL NEW COMPRESSOR PULLEY (88-T-209)
1989-04-16: MOAN NOISE WITH A/C ON INSTALL NEW COMPRESSOR PULLEY (88-1-120)
1989-03-31: LIGHT BRAKE DRAG-may BE BRAKE SWITCH ADJUSTMENT (89-T-65)
1989-03-31: LIGHT BRAKE DRAG-may BE BRAKE SWITCH ADJUSTMENT (89-5-116)
1989-03-21: BRAKE BOOSTER PUSH ROD HEIGHT GAGE (REVISED GAGE) (89-T-51)
1989-03-21: BRAKE BOOSTER PUSH ROD HEIGHT GAGE (REVISED GAGE) (89-5-115)
1989-03-15: FRONT BRAKE CALIPERS (NEW P/N) (88-T-196)
1989-03-15: FRONT BRAKE CALIPERS (NEW P/N) (88-5-140)
1989-02-22: NEW CASE ASSEMBLY (PRESSURE TAPS ELIMINATED) (89-T-47)
1989-02-22: NEW CASE ASSEMBLY (PRESSURE TAPS ELIMINATED) (89-7700-104)
1989-02-15: NO ENGINE BRAKING IN DRIVE NEW PISTON-FRONT ACCUMULATOR (88-T-200)
1989-02-15: NO ENGINE BRAKING IN DRIVE NEW PISTON-FRONT ACCUMULATOR (897400-100)
1989-02-13: NOISY OR LOW HANGING MUFFLER REPLACE MUFFLER & TAILPIPE (88-674-106)
1989-02-09: A/C REFRIGERANT LOSS DUE TO LOOSE/ MISSING ACCESS FIT. CAP (89-T-78)
1989-02-09: A/C REFRIGERANT LOSS DUE TO LOOSE/ MISSING ACCESS FIT. CAP (89-1-112)
1989-02-03: THM 400/475 PRODUCT UPDATE BOOK (89-7400-104)
1989-02-02: CRACK (GAP) IN POWER STEERING PULLY (89-T-43)
1989-02-02: CRACK (GAP) IN POWER STEERING PULLY (89-3-111)
1989-01-30: CHARGING LOW OR COMPLETELY DISCHARGED DELCO FREEDOM (88-T-172)
1989-01-25: ENGINE ROUGH,SURGE,MISFIRE CODE 43 DISTRIBUTOR SHAFT P/N (88-T-203)
1989-01-25: ENGINE ROUGH,SURGE,MISFIRE CODE 43 DISTRIBUTOR SHAFT P/N (88-650-101)
1989-01-10: CAST ALUMINUM WHEEL POROSITY (REPAIR PROC. & SEALER) (89-3-105)
1988-12-19: NOISY OR LOW HANGING MUFFLERS REPLACE MUFFLER & TAILPIPE (88-T-162)
1988-12-19: NEW CONTROL VALVE ASSEMBLY ELIMINATION OF TCC BORE (89-T-25)
1988-12-19: PARK/NEUTRAL TO REVERSE SHIFT FEEL (REPAIR DESCRIBED (88-T-197)
1988-12-19: NOISY OR LOW HANGING MUFFLERS REPLACE MUFFLER & TAILPIPE (88-657-121)
1988-12-19: PARK/NEUTRAL TO REVERSE SHIFT FEEL (REPAIR DESCRIBED (89-7400-103)
1988-12-19: NEW CONTROL VALVE ASSEMBLY ELIMINATION OF TCC BORE (89-7700-102)
1988-12-01: STARTER GRINDS/CLASHES NEW STARTER DRIVE & FLEXPLATE (88-T-193)
1988-12-01: STARTER GRINDS/CLASHES NEW STARTER DRIVE & FLEXPLATE (88-643-108)
1988-10-10: REVISED CYLINDER HEAD GASKET IMPROVED SEALING (88-650-115)
1988-10-07: PUMP FLUID LEAK FRONT PUMP BUSHING WALKOUT (88-T-199)
1988-10-07: PUMP FLUID LEAK FRONT PUMP BUSHING WALKOUT (89-7400-101)
1988-10-03: ENGINE OIL REQUIREMENTS/INFO (ALL MD WITH TURBO) (88-T-159)
1988-10-03: ENGINE OIL REQUIREMENTS/INFO (ALL MD WITH TURBO) (88-6-506)
1988-08-09: ALTITUDE ADJUSTMENT FOR ENGINE PERFORMANCE (88-T-202)
1988-08-08: ELECTROSTATIC DISCHARGE DAMAGE TO ECM (INFO. TO PREVENT) (88-8-168)
1988-08-03: REAR BRAKE SENSITIVITY (HEIGHT SENSING VALVE REMOVAL) (88-T-151)
1988-08-03: REAR BRAKE SENSITIVITY (HEIGHT SENSING VALVE REMOVAL) (88-5-126)
1988-07-25: STARTER GRINDS/CLASHES WHEN CRANKING-NEW DRIVE P/N (88-650-112)
1988-07-25: STARTER GRINDS/CLASHES WHEN CRANKING-NEW DRIVE P/N (88-657-113)
1988-07-18: SERVICE REPLACEMENT TRANSMISSION ASSEMBLY UPDATE (88-7-108)
1988-07-15: SLOW POWER TAILGATE WINDOW JIMMY AND BLAZER (88-T-138)
1988-07-15: SLOW POWER TAILGATE WINDOW JIMMY AND BLAZER (88-2-213)
1988-07-04: ENGINE SURGE IN 1ST GEAR REVISED PROM (87-657-116)
1988-06-20: HOOD SHEET METAL MOVEMENT/ VIBRATION(NEW ADHESIVE AVAIL.) (88-T-130)
1988-06-20: HOOD SHEET METAL MOVEMENT/ VIBRATION(NEW ADHESIVE AVAIL.) (88-2-195)
1988-06-16: MISLABELED CONNECTOR MAY CAUSE DIAGNOSIS CONFUSION (88-T-145)
1988-06-16: MISLABELED CONNECTOR MAY CAUSE DIAGNOSIS CONFUSION (88-8-159)
1988-06-06: HARD BRAKE PEDAL FEEL-COLD ENG QUICK BRAKE REAPPLY (88-T-121)
1988-06-06: HARD BRAKE PEDAL FEEL-COLD ENG QUICK BRAKE REAPPLY (88-5-127)
1988-06-06: REVISED PROMS/DRIVEABILITY- FALSE 'SERVICE ENGINE SOON' (88-657-108)
1988-06-03: ENGINE SURGE IN 1ST GEAR REVISED PROM (88-T-128)
1988-06-03: ENGINE SURGE IN 1ST GEAR REVISED PROM (88-657-110)
1988-06-02: REVISED PROMS/DRIVEABILITY FALSE SERVICE ENGINE SOON (88-T-109)
1988-06-02: REVISED PROMS/DRIVEABILITY FALSE SERVICE ENGINE SOON (88-650-108)
1988-05-23: LOSS OF ENGINE COOLANT DIAGNOSIS AND REPAIR DESCRIBED (88-657-109)
1988-05-19: LEAK-SERVICE AND PARTS INFORMATION (88-T-127)
1988-05-19: LEAK-SERVICE AND PARTS INFORMATION (88-7040-104)
1988-05-05: DRIVEABILITY EXHAUST ODOR INSPECTION/MAINTENANCE/PROM (88-T-119)
1988-05-05: DRIVEABILITY EXHAUST ODOR INSPECTION/MAINTENANCE/PROM (88-643-103)
1988-05-01: INTAKE FUEL PUMP MAY BECOME LOOSE & CAUSE NOISE- (REPAIR) (88-T-80)
1988-05-01: INTAKE FUEL PUMP MAY BECOME LOOSE & CAUSE NOISE- (REPAIR) (88-6-107)
1988-04-15: AIR LEAK AT DOOR HANDLE NEW ESCUTCHEON P/N MAY REPAIR (88-T-105)
1988-04-15: AIR LEAK AT DOOR HANDLE NEW ESCUTCHEON P/N MAY REPAIR (88-2-164)
1988-03-21: ERRATIC OR NO UPSHIFT NEW GOVERNOR DRIVEN GEAR (88-7700-102)
1988-03-15: LOSS OF ENGINE COOLANT DIAGNOSIS AND REPAIR DESCRIBED (88-T-101)
1988-03-15: BURNED FORWARD AND/OR DIRECT CLUTCH (INSTALL NEW P/N) (88-T-92)
1988-03-15: LOSS OF ENGINE COOLANT DIAGNOSIS AND REPAIR DESCRIBED (88-650-110)
1988-03-15: BURNED FORWARD AND/OR DIRECT CLUTCH (INSTALL NEW P/N) (88-7400-103)
1988-03-14: POOR CLUTCH DISENGAGEMENT NOISE OR PEDAL BINDS (88-T-90)
1988-03-14: POOR CLUTCH DISENGAGEMENT NOISE OR PEDAL BINDS (88-7-501)
1988-03-10: MOAN NOISE WITH AIR CONDITIONING ON (88-T-91)
1988-02-29: ENG. MISS,HESITATION & ROUGH PIERCED SEC. IGN. COMPONENTS (88-6-106)
1988-02-22: ERRATIC OR NO UPSHIFT NEW GOVERNOR DRIVEN GEAR (88-T-99)
1988-02-22: ERRATIC OR NO UPSHIFT NEW GOVERNOR DRIVEN GEAR (88-7400-101)
1988-02-08: IMPROPER IDENTIFICATION 32-WAY FEMALE MICROPACK CONN. (87-6-120)
1988-02-01: ENG. MISS, HESITATION & ROUGH PIERCED SEC. IGN. COMPONENTS (88-T-17)
1988-01-12: IMPROPER IDENTIFICATION ON 32-WAY FEMALE MICROPACK CONN. (87-T-110)
1988-01-12: IMPROPER IDENTIFICATION ON 32-WAY FEMALE MICROPACK CONN. (87-8-174)
1987-12-18: WATER LEAK THROUGH FRESH AIR VENT (87-T-109)
1987-12-18: WATER LEAK THROUGH FRESH AIR VENT (87-2-248)
1987-12-01: R-22 REFRIGERANT ALL TRUCK MODELS (88-T-65)
1987-12-01: DAMAGE TO WIRING TERMINALS ON ENGINE SENSORS-METRI-PACK 150 (88-T-76)
1987-12-01: DAMAGE TO WIRING TERMINALS ON ENGINE SENSORS-METRI-PACK 150 (88-8-117)
1987-11-16: PARTS INFORMATION FOR NEW ALUMINUM DIE CAST TRANS PISTON (88-T-63)
1987-11-16: TIRE WARRANTIES IRREGULAR/PREMATURE WEAR (88-T-66)
1987-11-16: TIRE WARRANTIES IRREGULAR/PREMATURE WEAR (88-3-104)
1987-11-16: PARTS INFORMATION FOR NEW ALUMINUM DIE CAST TRANS PISTON (88-7400-100)
1987-11-11: DOWNHILL DECELERATION SURGE DELIVERY VALVE REPAIR (87-T-101)
1987-11-11: DOWNHILL DECELERATION SURGE DELIVERY VALVE REPAIR (87-662-100)
1987-11-01: SERVICE/PARTS INFORMATION NEW TRANS. FLUID FILTER SEAL (88-T-53)
1987-10-20: ENGINE CONTROLLED IDLE SPEED MINIMUM IDLE AIR RATE SPECS. (88-T-55)
1987-10-20: ENGINE CONTROLLED IDLE SPEED MINIMUM IDLE AIR RATE SPECS. (88-6-102)
1987-10-19: NEW OIL PUMP VANES 200 4R 700 R4- NEW P/N (87-7700-109)
1987-10-19: INSTRUMENT CLUSTER EXCHANGE PROGRAM INFORMATION (88-8-106)
1987-10-13: EXCESSIVE COOLING FAN NOISE REPLACE FAN CLUTCH - P/N (88-T-49)
1987-10-13: EXCESSIVE COOLING FAN NOISE REPLACE FAN CLUTCH - P/N (88-6-103)
1987-10-09: SLIP, NO REVERSE OR NO MANUAL 2-1 DOWNSHIFT AFTER TRAN. (88-T-54)
1987-10-09: SLIP, NO REVERSE OR NO MANUAL 2-1 DOWNSHIFT AFTER TRAN. (87-7700-110)
1987-10-05: ENGINE ROUGH-POSSIBLE OIL IN DISTRIBUTOR (NEW DIST. SHAFT) (88-657-101)
1987-09-24: CONSOLE SHAKE/VIBRATION REPAIR OR NEW CONSOLE P/N (87-T-89)
1987-09-24: CONSOLE SHAKE/VIBRATION REPAIR OR NEW CONSOLE P/N (87-2-221)
1987-09-15: NEW OIL PUMP VANES 2004R 700R4 - NEW PART NUMBER (88-T-42)
1987-09-15: DIESEL ENGINE GLOW PLUG SYSTEM DIAGNOSIS (88-T-39)
1987-09-15: NEW OIL PUMP VANES 2004R 700R4 - NEW PART NUMBER (87-7200-106)
1987-09-15: DIESEL ENGINE GLOW PLUG SYSTEM DIAGNOSIS (88-662-100)
1987-09-04: ECM RESET/ FAILURE DIAGNOSIS INFORMATION (87-6-117)
1987-08-31: NEW DESIGN CYL. HEAD GASKETS 90 DEGREE 'V' ENGINES (87-650-115)
1987-08-31: NEW DESIGN CYL. HEAD GASKETS 90 DEGREE 'V' ENGINES (87-657-110)
1987-08-20: NOISY OR INOP. SPEEDOMETER POSSIBLE EXH. MANIFOLD CONTACT (87-T-80)
1987-08-20: NOISY OR INOP. SPEEDOMETER POSSIBLE EXH. MANIFOLD CONTACT (87-8-162)
1987-08-10: NEW DESIGN CYL. HEAD GASKETS 90 DEGREE 'V' ENGINES (88-T-35)
1987-08-10: NEW DESIGN CYL. HEAD GASKETS 90 DEGREE 'V' ENGINES (87-643-105)
1987-08-06: TIRE & PROPSHAFT SPEED REFERENCE CHART-LIGHT TRUCKS (88-T-29)
1987-08-01: ENGINE OVERHEATS -POSSIBLE INCORRECT THERMOSTAT INSTALLED (87-T-83)
1987-08-01: ENGINE OVERHEATS -POSSIBLE INCORRECT THERMOSTAT INSTALLED (87-6-504)
1987-07-31: TRAILER BRAKES INFORMATION (88-T-27)
1987-07-31: TRAILER BRAKES INFORMATION (88-5-100)
1987-07-10: SAG IN UPPER CORNERS OF THIRD SEAT BACK (87-T-69)
1987-07-10: SAG IN UPPER CORNERS OF THIRD SEAT BACK (87-2-195)
1987-07-07: INSIDE FRONT AND/OR REAR DOOR HANDLE MISALIGNED (87-T-66)
1987-07-07: FRONT BRAKE NOISE OR SQUEAL INSTALL NOISE INSULATED PADS (87-T-67)
1987-07-07: INSIDE FRONT AND/OR REAR DOOR HANDLE MISALIGNED (87-2-191)
1987-07-07: FRONT BRAKE NOISE OR SQUEAL INSTALL NOISE INSULATED PADS (87-5-114)
1987-07-07: REAR MAIN OIL LEAK DIAGNOSIS (87-643-100)
1987-06-19: NEW SECOND SERVO APPLY PIN 700R4- SEAL ELIMINATION (88-T-44)
1987-06-19: NEW SECOND SERVO APPLY PIN 700R4- SEAL ELIMINATION (87-7700-108)
1987-06-11: WINDWHISTLE AT SIDE DOOR GLASS - LOWER BELTLINE SEAL (87-T-62)
1987-06-11: WINDWHISTLE AT SIDE DOOR GLASS - LOWER BELTLINE SEAL (87-2-182)
1987-06-08: PROCEDURE FOR RELEASING PRODUCT SERVICE BULLETINS (87-0-110)
1987-06-05: 3RD GEAR 'HOP-OUT' ON ACCELERATION OR DECELERATION (86-T-156)
1987-06-05: 3RD GEAR 'HOP-OUT' ON ACCELERATION OR DECELERATION (88-7040-102)
1987-06-04: FRONT STABILIZER BAR INSULATORS LOOSE OR MISSING (87-T-60)
1987-06-04: FRONT STABILIZER BAR INSULATORS LOOSE OR MISSING (87-3-127)
1987-06-03: TIRE COMPANY ASSISTANCE PROGRAM (88-T-19)
1987-05-29: SHIFT LEVER RATTLE OR BUZZ IN 1ST OR 2ND GEAR (87-T-61)
1987-05-29: SHIFT LEVER RATTLE OR BUZZ IN 1ST OR 2ND GEAR (87-7040-101)
1987-05-18: FLUID LEAKS AT SPEEDO DRIVEN GEAR/ADAPTER AREA (87-7400-100)
1987-05-18: FLUID LEAKS AT SPEEDO DRIVEN GEAR/ADAPTER AREA (87-7700-106)
1987-05-14: NEW ECM TEST PROCEDURES ALL ECM EQUIPPED VEHICLES (87-T-57)
1987-05-14: NEW ECM TEST PROCEDURES ALL ECM EQUIPPED VEHICLES (87-6-115)
1987-04-14: BALANCING LIGHT DUTY TRUCK WHEELS WITH CONE ATTACHMENT (87-T-48)
1987-04-10: OIL CONTAMINATED BY GAS OIL CHANGE REQUIREMENTS (87-T-50)
1987-04-07: SLIP OR LOSS OF DRIVE AND/OR BURNT FORWARD & OVERUN CLUTCH (87-T-47)
1987-04-07: SLIP OR LOSS OF DRIVE AND/OR BURNT FORWARD & OVERUN CLUTCH (87-7700-103)
1987-04-03: DELAYED, HARSH ENGAGEMENT SLIP ON ACCELERATION (88-T-16)
1987-04-03: DELAYED, HARSH ENGAGEMENT SLIP ON ACCELERATION (87-7700-104)
1987-04-02: FLUID LEAKS AT SPEEDO DRIVE GEAR AND ADAPTER AREA (87-T-52)
1987-04-02: FLUID LEAKS AT SPEEDO DRIVE GEAR AND ADAPTER AREA (87-7200-101)
1987-04-01: FLUID LEAK AT THE PAN COATED TRANS. OIL PAN GASKET (87-T-51)
1987-04-01: FLUID LEAK AT THE PAN COATED TRANS. OIL PAN GASKET (87-7400-102)
1987-03-27: REVERSE ENGAGEMENT SHIFT NEW SERVICE AND PARTS (87-T-45)
1987-03-27: REVERSE ENGAGEMENT SHIFT NEW SERVICE AND PARTS (87-7700-102)
1987-03-25: EATON LOCKING DIFFERENTIAL NEW DESIGN FEATURE OUTLINED (87-T-42)
1987-03-25: EATON LOCKING DIFFERENTIAL NEW DESIGN FEATURE OUTLINED (87-4-102)
1987-03-16: BUZZ NOISE AT IDLE NEAR I/P OR FLOOR PAN (87-650-107)
1987-03-16: BUZZ NOISE AT IDLE NEAR I/P OR FLOOR PAN (87-657-106)
1987-03-16: BUZZ NOISE AT IDLE NEAR I/P OR FLOOR PAN (87-674-100)
1987-03-13: LOW OIL PRESSURE READING INCORRECT OIL PRESS. SENDER (88-T-8)
1987-03-13: LOW OIL PRESSURE READING INCORRECT OIL PRESS. SENDER (87-8-134)
1987-03-12: REAR MAIN OIL LEAK DIAGNOSE / INSPECT CRANKSHAFT (88-T-46)
1987-03-12: REAR MAIN OIL LEAK DIAGNOSE / INSPECT CRANKSHAFT (88-643-100)
1987-03-09: PREMATURE AXLE WEAR DIRT AND WATER ENTRY (87-T-40)
1987-03-05: REAR SEAT SQUEAKS/RATTLES REPLACE SEAT HINGES (87-T-39)
1987-03-05: REAR SEAT SQUEAKS/RATTLES REPLACE SEAT HINGES (87-2-139)
1987-02-23: BUZZ NOISE AT IDLE NEAR I/P OR FLOOR PAN (87-T-37)
1987-02-23: BUZZ NOISE AT IDLE NEAR I/P OR FLOOR PAN (87-643-103)
1987-02-16: RATTLE/CHUCKING NOISE IN REAR SEAT (87-T-35)
1987-02-16: RATTLE/CHUCKING NOISE IN REAR SEAT (87-2-148)
1987-02-12: TAILGATE WINDOW CHIPPING CHECK FOR HEX SCREWS (87-T-108)
1987-02-12: TAILGATE WINDOW CHIPPING CHECK FOR HEX SCREWS (87-2-125)
1987-02-12: SEAT BELT LENGTH CHANGE 'UPFITTERS' RESPONSIBILITIES (87-T-34)
1987-02-12: SEAT BELT LENGTH CHANGE 'UPFITTERS' RESPONSIBILITIES (87-2-127)
1987-01-29: SCAN TOOL WORKSHEET ECM EQUIPPED VEHICLES (87-0-108)
1987-01-28: W/S WASHER SYSTEM DRIBBLES REMOVE CHECK VALVE AS OUTLINED (87-T-31)
1987-01-28: W/S WASHER SYSTEM DRIBBLES REMOVE CHECK VALVE AS OUTLINED (87-2-122)
1987-01-21: PUMP WHINE OR MOAN NOISE NEW PUMP DESIGN/THM 700-R4 (87-T-32)
1987-01-21: PUMP WHINE OR MOAN NOISE NEW PUMP DESIGN/THM 700-R4 (87-7700-100)
1987-01-08: TV SYSTEM DIAG.-ALL A/T EXCEPT THM 180,350,400 (87-T-27)
1987-01-08: TV SYSTEM DIAG.-ALL A/T EXCEPT THM 180,350,400 (87-7-101)
1987-01-05: SERVICE AND PARTS INFORMATION 700R4 WITH/W/O AUX VALVE BODY (87-T-28)
1987-01-05: SERVICE AND PARTS INFORMATION 700R4 WITH/W/O AUX VALVE BODY (87-7700-101)
1986-12-29: POOR PERFORMANCE/SEVERE MISS CHECK INTAKE MAN. GASKET CLIPS (87-657-104)
1986-12-15: INSTRUMENT CLUSTER EXCHANGE PROGRAM INFORMATION (87-8-113)
1986-12-03: INJECTOR USAGE - FLOW RATE SIDE TO SIDE DIFFERENCE (87-T-13)
1986-12-03: INJECTOR USAGE - FLOW RATE SIDE TO SIDE DIFFERENCE (87-643-101)
1986-11-25: PAINT CODES 1987 ALL TRUCK MODELS (87-T-11)
1986-11-17: LACK OF WARM AIR FROM HEATER OR DEFROSTER (87-657-103)
1986-11-07: VIBRATION DIAGNOSIS 'REED' TACHOMETER INFORMATION (87-T-9)
1986-11-06: OIL LEAK AT OIL PAN DRAIN PLUG V-8, V6, OHV L4 CARS & TRUCKS (86-B-119)
1986-11-06: OIL LEAK AT OIL PAN DRAIN PLUG V-8, V6, OHV L4 CARS & TRUCKS (86-6-122)
1986-10-31: POOR PERFORMANCE/SEVERE MISS CHECK INTAKE MAN. GASK. CLIPS (87-T-6)
1986-10-31: POOR PERFORMANCE/SEVERE MISS CHECK INTAKE MAN. GASK. CLIPS (87-650-103)
1986-10-23: LACK OF WARM AIR FROM HEATER CHECK INTAKE MANIFOLD PASSAGE (87-T-8)
1986-10-23: LACK OF WARM AIR FROM HEATER CHECK INTAKE MANIFOLD PASSAGE (87-650-101)
1986-10-20: USE OF UNLEADED GASOLINE IN VEHICLES USING LEADED GAS (87-6-100)
1986-10-08: CORE INFORMATION TAG REMANUFACTURED GENERATOR (87-T-22)
1986-10-08: CORE INFORMATION TAG REMANUFACTURED GENERATOR (87-6-102)
1986-09-24: CHATTERING WIPER BLADES CLEAN BLADES/GLASS (84-B-65)
1986-09-24: REVISED:CHATTERING BLADES CLEAN BLADES/GLASS (84-2-140)
1986-09-24: CHATTERING WIPER BLADES CLEAN BLADES/GLASS (87-2-106)
1986-09-23: USE OF UNLEADED GASOLINE VEHICLES USING LEADED GAS (87-0-104)
1986-09-22: FRENCH LABEL INSTRUCTIONS DIESEL PASS.CARS & LT. TRUCKS (87-0-101)
1986-09-19: CHEV/GMC TRUCK SERV. BULL. PUBLICATIONS WILL BE JOINT (87-T-1)
1986-09-15: PAINT/CARE OF CAR FINISHES ALL VEHICLES AFFECTED (87-2-100)
1986-09-04: A/T OIL COOLER FLUSHING ALL THM A/T MODELS (87-T-5)
1986-09-04: A/T OIL COOLER FLUSHING ALL THM A/T MODELS (87-7-100)
1986-08-28: COLOR SANDING NOT RECOMMENDED BASECOAT/CLEARCOAT VEHICLES (87-T-2)
1986-08-28: SQUEAK NOISE IN STEERING WHEEL LUBRICATE TILT WHEEL ASSEMBLY (87-T-3)
1986-08-28: SERVICE GUILD: ELECTROSTATIC DISCHARGE DAMAGE (87-T-4)
1986-08-28: SQUEAK NOISE IN STEERING WHEEL LUBRICATE TILT WHEEL ASSEMBLY (87-3-100)
1986-08-28: SERVICE GUILD: ELECTROSTATIC DISCHARGE DAMAGE (87-8-102)
1986-07-17: DIAGNOSTIC EQUIPMENT FOR DRIVEABILITY DIAGNOSIS (86-B-101)
1986-06-20: CLEAR COAT ON ALUMINUM WHEELS REPAIR PROCEDURE OUTLINED (86-B-98)
1986-06-20: CLEAN, PAINT & COATING OF ALUMINUM WHEELS (85-3-118)
1985-10-07: CRACKED PAINT USING RM HIGH SOLIDS RAPID FILTER (86-2-103)