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)
2000-09-28: High Oil Consumption After Installation of Goodwrench Remanufactured Engine (00-06-01-019)
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)
1996-10-01: 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)
1995-12-07: FRONT SUSPENSION NOISE / TRUCK LEANS (56-33-04)
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)
1994-05-13: 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)
1993-11-05: BLUE SMOKE ON START-UP (REPLACE VALVE STEM SEALS) (37-65-14)
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: 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)
1992-12-01: 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)
1992-09-30: CAMPAIGN: STEEL DISC WHEEL CRACKS - (REPLACE ALL WHEELS) (92-C-18)
1992-09-30: CAMPAIGN: STEEL DISC WHEEL CRACKS - (REPLACE ALL WHEELS) (2D22)
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: BRAKE SQUEAL/NOISE (NEW BRAKE LINING KIT) (91-5-141)
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: BRAKE SQUEAL/NOISE NEW BRAKE LINING KIT (91-5-146)
1991-09-20: HARD STARTING COLD-6.2L DIESEL (INSTALL NEW REGULATOR/PUMP) (92-662-100)
1991-08-15: LOCKING DIFFERENTIAL LUBRICANT (SERVICE INFORMATION) (91-4-109)
1991-08-14: SERVICE GUILD: COOLANT RECYCLING UPDATE (91-0-106)
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: SERVICE GUILD: EVALUATING PEENED SPACER PLATE (91-7-115)
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)
1991-06-11: 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: 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)
1991-02-28: CAMPAIGN: MANDATORY SCHOOL BUS EQUIPMENT P/G3 (DUAL HORNS) (0R21)
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)
1991-01-23: AUTOMATIC TRANS. COOLER LINE CRACKED AND LEAKING (91-7A-62)
1991-01-23: AUTOMATIC TRANS. COOLER LINE CRACKED AND LEAKING (91-73L80-100)
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: SERVICE ENGINE SOON LIGHT POSSIBLE FALSE CODE 32 (91-6-105)
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)
1990-09-06: WATER IN A.I.R. PUMP/AIR CLEANER ASSY.(MOUNT CLAMP) (89-6E-135)
1990-09-06: WATER IN A.I.R. PUMP/AIR CLEANER ASSY.(MOUNT CLAMP) (90-6-114)
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)
1990-05-14: IMPROVED ENGINE STARTER CRANKING ABILITYGROUND STRAP (90-6D-57)
1990-05-14: IMPROVED ENGINE STARTER CRANKING ABILITYGROUND STRAP (90-8-183)
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)
1990-04-11: 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)
1990-02-09: CAMPAIGN: SEAT ANCHORAGE INADEQUATE/BUILT @ UNION CITY (89-C-12)
1990-02-09: CAMPAIGN: SEAT ANCHORAGE INADEQUATE/BUILT @ UNION CITY (0A04)
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)
1989-11-28: 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)
1989-10-06: 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 STARTUP DIAGNOSIS INFORMATION (88-657-120)
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)
1989-08-18: 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 (89-657-105)
1989-06-15: INCORRECT CRUISE CONTROL RESUME OPERATION (89-T-89)
1989-06-15: INCORRECT CRUISE CONTROL RESUME OPERATION (89-8-178)
1989-05-31: 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)
1989-04-24: GEAR OIL SMELL IN VEHICLES WITH REMOTE VENTS (89-T-83)
1989-04-24: GEAR OIL SMELL IN VEHICLES WITH REMOTE VENTS (89-7040-100)
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)
1989-02-15: 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)
1989-02-09: 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)
1989-01-30: 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: PARK/NEUTRAL TO REVERSE SHIFT FEEL (REPAIR DESCRIBED (88-T-197)
1988-12-19: PARK/NEUTRAL TO REVERSE SHIFT FEEL (REPAIR DESCRIBED (89-7400-103)
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)
1988-10-21: NO COLD START OR HOT RESTART DIAGNOSIS/PART NUMBER (89-T-28)
1988-10-21: NO COLD START OR HOT RESTART DIAGNOSIS/PART NUMBER (89-662-100)
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)
1988-08-15: LOW ALTERNATOR OUTPUT (MAYBE MISSING RESISTOR WIRE) (88-662-101)
1988-08-15: LOW ALTERNATOR OUTPUT (MAY BE MISSING RESISTOR WIRE) (88-648-100)
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)
1988-07-21: LOW ALTERNATOR OUTPUT (MAYBE MISSING RESISTOR WIRE) (87-T-115)
1988-07-21: LOW ALTERNATOR OUTPUT (MAYBE MISSING RESISTOR WIRE) (88-8-175)
1988-07-18: SERVICE REPLACEMENT TRANSMISSION ASSEMBLY UPDATE (88-7-108)
1988-07-04: INTAKE ELECT. FUEL PUMP LOOSE REPAIR PROCEDURE/INSTALL P/N (87-657-117)
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)
1988-06-03: INTANK ELECT. FUEL PUMP LOOSE REPAIR PROCEDURE/INSTALL P/N (88-T-117)
1988-06-03: INTANK ELECT. FUEL PUMP LOOSE REPAIR PROCEDURE/INSTALL P/N (88-657-111)
1988-05-23: LOSS OF ENGINE COOLANT DIAGNOSIS AND REPAIR DESCRIBED (88-657-109)
1988-03-15: BURNED FORWARD AND/OR DIRECT CLUTCH (INSTALL NEW P/N) (88-T-92)
1988-03-15: BURNED FORWARD AND/OR DIRECT CLUTCH (INSTALL NEW P/N) (88-7400-103)
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)
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)
1987-11-01: 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: INSTRUMENT CLUSTER EXCHANGE PROGRAM INFORMATION (88-8-106)
1987-10-05: ENGINE ROUGH-POSSIBLE OIL IN DISTRIBUTOR (NEW DIST. SHAFT) (88-657-101)
1987-09-15: DIESEL ENGINE GLOW PLUG SYSTEM DIAGNOSIS (88-T-39)
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 (87-657-110)
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)
1987-07-01: OIL LEVEL INDICATOR INCORRECT (NEW P/N RELEASED) (87-T-71)
1987-07-01: OIL LEVEL INDICATOR INCORRECT (NEW P/N RELEASED) (87-674-101)
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)
1987-06-08: 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)
1987-06-03: TIRE COMPANY ASSISTANCE PROGRAM (88-T-19)
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)
1987-05-11: PARK OR NEUTRAL TO DRIVE OR REVERSE IMPROVED 'SHIFT FEEL' (88-T-15)
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)
1987-04-02: 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)
1987-03-13: 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)
1987-02-12: 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)
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)
1986-11-25: PAINT CODES 1987 ALL TRUCK MODELS (87-T-11)
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)
1986-10-20: 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)
1986-09-22: FRENCH LABEL INSTALLTION INSTRUCTION- LT. DUTY TRUCKS (87-0-102)
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)
1986-09-01: ECM DURABILITY DURING PAINT OVEN OPERATIONS (86-657-105)
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)
1986-08-06: FAILED ECM'S (NOT PROTECTED WHEN PAINTING VEHICLE) (86-B-114)
1986-08-06: FAILED ECM'S (NOT PROTECTED WHEN PAINTING VEHICLE) (87-657-100)
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)
1984-06-27: CARBURETOR VACUUM BREAK TEST PROCEDURE (85-B-64)
1984-06-27: CARBURETOR VACUUM BREAK TEST PROCEDURE (85-6-159)