Technical Service Bulletins

2008-09-26: Odometer Servicing When The Odometer Cannot be Set to the Actual Mileage - keywords cluster ipc mile program (PIT4720)
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)
2007-06-22: Abnormal Noise And Or Vibration While Driving - keywords accessory aftermarket axle body boom buzz case grown growl howl moan modification no OEM part prop rattle resonance shaft transmission whine (PIP3140B)
2007-03-01: Dexron VI Fluid Usage - keywords leak seal slip (PIP4066)
2007-01-05: Slight Vehicle Movement In Park At Start Up After Cold Soak - keywords 3T40 4L60 4L60E 4L65E 4L80E 4L85E 4T40E 4T45E 4T60 4T60E 4T65E 4T80E 5L40E 5L50E 6L50 6L80 6L90 6T70 6T75 AF225 AF235aisan (PIP3763A)
2007-01-04: Info - Guidelines for Using E2020-Wheel Alignments, E2000-Toe Adjust and E0200, E0201, E0203, E0204-Wheel Balance (01-03-10-012C)
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)
2005-07-21: Hydro-Boost Brake Pedal Moves or Self Applies at Full Turns - keywords booster hydroboost press steering turn wheel (PIT3665)
2005-04-12: Info - Top Tether Hardware Package for Child Restraint Seats (99-09-40-004a)
2004-10-20: Info - Radio Telephone/Mobile Radio (Transceiver) Installation and Troubleshooting Guidelines (04-08-46-002)
2002-10-14: Diagnostic Information for Intermittent Transmission Downshift, Slip, Busy/Cycling TCC or Noisy Cooling Fan (99-07-30-016B)
2002-02-27: Information on a New Engine Preluber Tool (02-06-01-008)
2001-05-08: Info - Replacement of Keys, Key Numbers and/or Security Chips (01-00-89-009)
2001-04-06: Info - Current CIPS Campaign Number to Previous DIvisional Campaign Number (01-00-89-008)
2001-03-28: Warranty Admin. - Inspection/Maintenance Labor Operations (01-00-89-007)
2001-03-02: Info - February, 2001 Bulletin Summary (01-00-89-006)
2000-10-06: Info - September, 2000 Bulletin Summary (00-00-89-024)
2000-09-28: High Oil Consumption After Installation of Goodwrench Remanufactured Engine (00-06-01-019)
2000-09-05: Information - August, 2000 Bulletin Summary (00-00-89-022)
2000-07-06: Information - June, 2000 Bulletin Summary (00-00-89-016)
2000-05-30: Warranty Admin - ACDelco Remanufactured Transmissions (00-07-30-011)
1999-06-18: Info - Rear Axle Lubricant Compatibility and Usage (99-04-20-001)
1999-03-31: Info - Cleaning of Upper Instrument Panel Surfac (99-08-49-006)
1999-03-04: Battery Insulator Replacement (99-06-03-002)
1999-02-26: Essential Tool J 42000 Battery Tester (99-06-03-001)
1998-11-16: INFO - ESSENTIAL TOOL J43435 ADJUSTER LOCKNUT (83-32-10)
1998-10-20: INFO - ESSENTIAL TOOL J43485 POWER STEERING BLEEDER ADAPTER (83-32-09)
1998-10-01: INFO - NEW WINDSHIELD AND STATIONATY GLASS URETHANE (83-15-16)
1998-09-29: INFO ON RECOMMENDED AXLE LUBRICANT (76-02-02A)
1998-08-21: WARRANTY ADMIN - LTG UPDATES (83-05-07)
1998-08-21: INFO - TOWING (16-01-01B)
1998-08-20: INFO - ESSENTIAL TOOL J-43241 REMOTE KEYLESS ENTRY AND (83-90-12)
1998-08-14: INFO - CORRECT LABOR CODE USAGE FOR ENTERTAINMENT SYS. (84-96-01)
1998-08-12: WARRANTY ADMIN. - REDEFINED USE OF PARTS WARRANTY SPECIAL (80-05-03)
1998-07-15: WARRANTY ADMIN. - LTG UPDATES (83-05-06)
1998-06-11: WARRANTY ADMIN. - LTG UPDATES (83-05-05)
1998-06-03: INFO - NEW TOOL J-42958, REV. CHARTS AND SCHEM. FOR CRUISE (83-90-08)
1998-05-18: WARRANTY ADMIN. - LABOR TIME GUIDE UPDATES (83-05-04)
1998-04-24: GENERAL MOTORS WARRANTY INQUIRY SYSTEM (82-05-05)
1998-04-21: WARRANTY ADMIN - REQ. FOR WHOLESALE AUTH. OR WARRANTY (82-05-02)
1998-04-16: WARRANTY ADMIN. - LTG UPDATES (83-05-03)
1998-04-02: INFO. USE OF'SURFACE CONDITIONING DISCS' (87-61-24)
1998-03-16: WARRANTY ADMIN. - LABOR TIME GUIDE UPDATES (83-05-02)
1998-03-10: INFO. NEW TOOL J-41450-B RELEASED FOR CS GEN DIAG. (83-64-09)
1998-02-20: WARRANTY ADMIN - LABOR TIME GUIDE UPDATES (83-05-01)
1998-02-13: INFO. ON VIN PLATE REPLACEMENT (83-01-14)
1998-01-12: INFO. FRONT. SUPP. INFLAT. RESTRAINTS (SIR) ON-OFF SWITCH (73-90-23)
1997-12-18: WARRANTY ADMIN. - REPAIR/ REPLACE POLICIES & PROC. (72-05-13)
1997-12-18: WARRANTY ADMIN. - ENHANCED SUBLET REPAIR POLICY (72-05-14)
1997-12-16: WARR. ADMIN - LABOR TIME GUIDE UPDATES (73-05-09)
1997-12-11: WARRANTY ADMIN - ACDELCO REMANUFACTURED ENGINES (72-05-07)
1997-11-28: WARRANTY ADMIN. - LABOR TIME GUIDE UPDATES (73-05-07)
1997-11-26: INFO. ON TECHNICAL ASSISTANCE CALL PREPARATION (73-01-10)
1997-11-20: CLARIFICATION OF RAIL DUST REM (A5575-A5580) (72-05-11)
1997-11-12: INFORMATION - PUREGUARD 2 OPERATING ALERT (73-12-13)
1997-11-01: WARRANTY ADMIN. - LABOR OPERATION CODE Z1241 (62-05-02A)
1997-10-24: WARR. ADMIN-LTG UPDATES 1989-98 PASS. CAR & TRUCK (73-05-06)
1997-09-01: INFO. ON ALUMINUM HEATER CORE AND/OR RADIATOR REPL. (73-62-13A)
1997-08-21: WARRANTY ADMIN - GUIDELINES FOR USING E0420 WHEEL (72-05-05)
1997-08-21: WARRANTY ADMIN- GUIDELINES FOR USING I/M 240 LABOR OP (72-05-06)
1997-08-12: WARRRANTY ADMIN - LABOR TIME GUIDE UPDATES (73-05-05)
1997-05-29: INFO ON AUTO TRANS OIL COOLER FLUSHING &FLOW CHECK PROC. (77-71-59)
1997-05-12: INFORMATION -TWO PART URETHANE ADHESIVE (73-10-54)
1997-04-17: INFO. ON A/C TOOL AND EQUIPMENT MAINTENANCE (63-12-08A)
1997-03-20: WARRANTY ADMINISTRATION - LABOR TIME GUIDE UPDATES (73-05-03)
1997-02-20: WARRANTY ADMINISTRATION LABOR TIME GUIDE UPDATES (73-05-02)
1997-02-07: SERVICE ISSUES FOR VEHICLES WITH R12 OR R134A A/C SYSTEMS (73-12-04)
1997-01-31: INFO. NEW BODY SEALER TAPE FOR COLLISION REPAIRS (73-10-49)
1997-01-24: WARRANTY ADMINISTRATION - LABOR TIME GUIDE UPDATES (73-05-01)
1997-01-13: INFO. ON COMPACT DISC PLAYERS- PROCEDURES (64-96-01)
1997-01-07: WARRANTY ADMIN. - LABOR TIME GUIDE UPDATES (63-05-07)
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)
1996-11-21: WARRANTY ADMIN. - LABOR TIME GUIDE UPDATES (63-05-06)
1996-11-15: INFO. REFERENCE CHART FOR A/C COMPRESSOR SEAL WASHERS (63-12-15)
1996-11-01: CAMPAIGN: BUCKET SEAT RECLINER BOLT BREAKAGE (94001A)
1996-11-01: CAMPAIGN: BUCKET SEAT RECLINER BOLT BREAKAGE (94001)
1996-11-01: ENGINE NOISE (REPL. WITH NEW DESIGN EXHAUST MANIFOLD) (37-66-02B)
1996-11-01: TRANS. PRODUCT UPDATES (NEW SHIFT SOLENOIDS) (37-71-48A)
1996-10-15: INFO. ON THE GENERAL MOTORS KEY CODE VOICE RESPONSE SYSTEM (61-01-11)
1996-10-02: WARRANTY ADMIN. - LABOR TIME GUIDE UPDATES 1989 -1997 (63-05-04)
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)
1996-08-14: WARRANTY ADMIN. - LABOR TIME GUIDE ' REQUEST FOR REVIEW ' (63-05-03)
1996-08-01: USE OF WACKER T-330 RTV SEALANT (PRONOUNCED VAUCKER T) (67-61-17A)
1996-06-05: WARRANTY ADMIN. - GOODWRENCH SERVICE PLUS LIFETIME SERVICE (68-05-03)
1996-05-10: INFO. ON SERVICE ISSUES FOR VEHICLES WITH R12 OR R134A (63-12-09)
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: ALUMINUM WHEEL REFINISHING (53-17-03A)
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)
1996-02-02: INFORMATION ON UPDATED BATTERY REPLACEMENT CATALOG NUMBERS (63-64-01)
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)
1995-10-01: COLD ENGINE KNOCK - INSTALL CHECK VALVE OIL FILTER/CHANGE (37-61-05A)
1995-08-15: INFO. ON INTERMITTENT DTC 87 HIGH RATIO ERROR (57-71-15)
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)
1995-06-22: INFORMATION ON ENGINE OVERHEAT (56-62-01)
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)
1995-05-31: SERV. PROCEDURE FOR ID/REPAIR OF PAINT COLORCOAT DELAMIN. (23-10-54)
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)
1995-04-01: SPECIAL POLICY: ADJUSTMENT - EXTENDED TRANS. WARRANTY (46-06-01A)
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)
1994-11-18: SMU - SECTION 8A-2 ELECTRICAL DIAGNOSIS (46-81-11)
1994-10-25: REV. TO ADHESIVE CAULKING KIT, NEW PRIMERS & PART NUMBERS (43-10-48)
1994-09-23: INFO. ON CLUTCH PILOT BUSHINGS AND BEARINGS (46-73-02)
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)
1994-08-01: DIESEL FUEL INJECTION PUMP EXCHANGE PROGRAM (056304)
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)
1994-05-27: INFORMATION ON GOODWRENCH TRANS. ASSEMBLY APPLICATIONS (47-71-18)
1994-05-13: WARRANTY ADMINISTRATION - EMISSION WARR. PARTS COVERAGE (47-05-01)
1994-05-12: INFORMATION ON NEW PROCEDURE FOR OBTAINING DRACS (44-83-01)
1994-05-12: INFORMATION ON CENTER SUPPORT BOLT - NEW SERVICE PACKAGE (47-71-07)
1994-05-01: SPECIAL POLICY:ADJUSTMENT - EXTENDED TRANS. WARRANTY (4S01)
1994-05-01: INFO. ON NEW VARIABLE PRESSURE CONTROL SOLENOID ASSEMBLY (47-71-09A)
1994-04-19: INFORMATION ON ENGINE OVERHEAT/LOW POWER (46-62-04)
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)
1994-01-26: WARRANTY ADMINISTRATION RECYCLED ENGINE COOLANT POLICY (31-05-04)
1994-01-18: LOSS OF DRIVE IN ALL RANGES (REPLACE CARRIER PACKAGE) (37-71-31)
1993-12-22: RETROFITTING R-12 VEHICLES TO R-134A (INFORMATIONAL) (33-12-26)
1993-12-07: NEW DCS BULN. SEARCH & ACCESS TO VEH. OPTION CONTENT RECORDS (33-01-06A)
1993-12-01: TIRE MANUFACTURERS' CONTACT FOR ASSISTANCE (32-35-01)
1993-10-13: FLUID LEAK AT TRANSMISSION PASS-THROUGH CONNECTOR (37-71-29)
1993-08-15: TORQUE CONVERTER CLUTCH SHUDDER(NEW CONVERTER ASSY.) (93-7A-148)
1993-08-01: COLD ENGINE KNOCK - INSTALL CHECK VALVE OIL FILTER/CHANGE (93-6A-111)
1993-08-01: TIRES SLIPPING ON WHEELS USE PROPER TIRE MOUNTING PROC (93-3E-103)
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: SERVICE MAN. UPDATE - SEC. 6C2 DIESEL FUEL INJ. REV. ADJ. PRO (93-U-017)
1993-06-15: SERVICE MAN. UPDATE - SEC. 6C2 DIESEL FUEL INJ. REV. ADJ. PRO (93-6D-605)
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)
1993-05-20: IMFORMATIONAL - KELSEY-HAYES 4WAL PROGRAM (36-50-06)
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)
1993-03-17: NO UPSHIFT/STUCK IN FIRST/NO CODES/EXTERIOR LEAKS (93-7A-58)
1993-03-17: NO UPSHIFT/STUCK IN FIRST/NO CODES/EXTERIOR LEAKS (93-7A-132)
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)
1993-03-10: SERVICE PROCEDURE POLICY CHANGES (92-7A-154)
1993-03-01: DOOR LOCK CYLINDER RECOMMENDED LUBRICATIONS (93-10A1-52)
1993-02-17: TORQUE CONVERTER CLUTCH SHUDDER(NEW CONVERTER ASSY.) (37-71-10)
1993-02-17: TORQUE CONVERTER SQUEAKS (NEW CONVERTER ASSEMBLY) (93-7A-49)
1993-02-17: TORQUE CONVERTER SQUEAKS (NEW CONVERTER ASSEMBLY) (93-7A-131)
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)
1992-11-05: INCORRECT/ERRATIC OIL PRESSURE READINGS INST OIL PRESS SENSOR (93-8C-28)
1992-11-05: INCORRECT/ERRATIC OIL PRESSURE READINGS INST OIL PRESS SENSOR (93-8C-102)
1992-11-01: INDUSTRIAL FALLOUT-PAINT DAM. FINESSE TYPE REPAIRS (93-10-30)
1992-11-01: TIRE DAMAGE FROM ASSY PLANTS TIRE REPLACEMENT (93-3E-19)
1992-11-01: INDUSTRIAL FALLOUT-PAINT DAM. FINESSE TYPE REPAIRS (92-2-128)
1992-11-01: TIRE DAMAGE FROM ASSY PLANTS TIRE REPLACEMENT (93-3E-101)
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)
1992-10-15: SERVICE MANUAL UPDATE-SEC. 5A2 BENDIX BRAKE CALIPER WEAR ADJ. (92-U-010)
1992-10-15: SERVICE MANUAL UPDATE-SEC. 5A2 BENDIX BRAKE CALIPER WEAR ADJ. (93-5-609)
1992-10-09: SERV. MAN. UPDATE-SEC.5A4/5E1 4WAL CODES 61,62, 63/NEW CHART (92-U-005)
1992-10-09: SERV. MAN. UPDATE-SEC.5A4/5E1 4WAL CODES 61,62, 63/NEW CHART (93-5-608)
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)
1992-09-30: NEW DESIGN SPARK PLUGS LONGER CERAMIC INSULATOR (92-6-128)
1992-09-18: CONSTANT/INTERMIT. CHK ENG LT. DIAGNOSE PER LH6 CHART (93-7A-13)
1992-09-18: CONSTANT/INTERMIT. CHK ENG LT. DIAGNOSE PER LH6 CHART (93-7A-102)
1992-09-14: SERVICE MANUAL UPDATE-SEC 5E1 REVISED BPMV BLEED PROCEDURE (93-U-001)
1992-09-14: SERVICE MANUAL UPDATE-SEC 5E1 REVISED BPMV BLEED PROCEDURE (93-5-611)
1992-09-01: INFO. ON GMC TRUCK BULLETINS NEW NUMBERING SYSTEM (93-0A-01)
1992-09-01: ALTERNATE REFRIGERANTS INFORMATION (93-1B-8)
1992-09-01: NEW DESIGN SPARK PLUGS LONGER CERAMIC INSULATOR (93-6D-2)
1992-08-31: LACK OF POWER/TRANS HOT MODE INST MEMCAL/CHECK THERMAC DOOR (92-74L80-107)
1992-08-03: NEW WIRING HARNESS ASSY. IN-HARNESS TEMP. SENSOR PKG. (92-7A-127)
1992-08-03: NEW WIRING HARNESS ASSY. IN-HARNESS TEMP. SENSOR PKG. (92-74L80-108)
1992-07-06: INFORMATION ON AVOIDING DISTRESSED WIRE CONNECTORS (92-7A-117)
1992-07-06: INFORMATION ON AVOIDING DISTRESSED WIRE CONNECTORS (92-74L80-106)
1992-07-02: REAR AXLE PINION SEAL LEAK (INSTALL NEW SEAL) (92-4B-110)
1992-07-02: REAR AXLE PINION SEAL LEAK (INSTALL NEW SEAL) (92-4-107)
1992-06-22: PAINT CHIPS - EXTERIOR LEADING EDGES (APPLY CHIP PROTECTOR) (92-10-104)
1992-06-22: LACK OF POWER/TRANS HOT MODE INST MEMCAL/CHECK THERMAC DOOR (92-7A-102)
1992-06-22: LACK OF POWER/TRANS HOT MODE INST MEMCAL/CHECK THERMAC DOOR (92-6-124)
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)
1992-06-09: NO REVERSE-NEW REAR BAND ASSY. TRUCKS WITH 4L80E/4L80EHD (92-7A-98)
1992-06-09: NO REVERSE-NEW REAR BAND ASSY. TRUCKS WITH 4L80E/4L80EHD (92-74L80-105)
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)
1992-04-30: SERVICE ENGINE SOON LIGHT CODE 22 PROC/DIAG (REPL. TPS) (92-6E-12A)
1992-04-14: LOCKING DIFF. GOVERNOR TOOL REVISION (INFORMATIONAL) (92-4B-80)
1992-04-14: LOCKING DIFF. GOVERNOR TOOL REVISION (INFORMATIONAL) (92-4-104)
1992-04-10: NEW FLUID LEVEL INDICATORS AND NEW FLUID CHECK PROCEDURES (92-7A-81)
1992-04-10: NEW FLUID LEVEL INDICATORS AND NEW FLUID CHECK PROCEDURES (92-7-106)
1992-04-03: ENG. BLOCK HEATER LEAK-INSTALL REDESIGNED BLOCK HEATER (92-6-116)
1992-04-03: LOW POWER/LACK OF PERFORMANCE INSTALL TRANS. TORQUE CONV. (92-6-100)
1992-04-03: LOW POWER/LACK OF PERFORMANCE INSTALL TRANS. TORQUE CONV. (92-7-103)
1992-04-01: PROM I.D. NOT RECOGNIZED BY THE T-100 (GM CAMS) TERMINAL (23-65-08)
1992-03-27: CLICK/WHINE IN 3RD/4TH GEAR INST. NEW CLUTCH FIBER PLATES (92-7A-75)
1992-03-27: INFORMATION ON NEW SOLENOID ASSY. (IMPROVED DURABILITY) (92-7A-76)
1992-03-27: INFORMATION ON NEW SOLENOID ASSY. (IMPROVED DURABILITY) (92-74L80E-104)
1992-03-27: CLICK/WHINE IN 3RD/4TH GEAR INST. NEW CLUTCH FIBER PLATES (93-7A-153)
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)
1992-03-20: OIL PRESSURE GAGE FLUTTERS OR READS HIGH (REPLACE SENSOR) (91-6A-180)
1992-03-11: NO/DELAYED REVERSE WHEN COLD INSTALL REV. INPUT CLUTCH SEAL (91-7A-181)
1992-03-11: NO/DELAYED REVERSE WHEN COLD INSTALL REV. INPUT CLUTCH SEAL (91-74L60-111)
1992-02-29: VALVE ROCKER ARM BOLT FAILURE (INSPECT/REPLACE BOLTS) (91-674-101)
1992-02-28: UNNECESSARY PAN SEAL REPLACE WITH 4L80E AND 4L80EHD (92-SV-21)
1992-02-07: (4L60) TRANS PUMP REMOVAL TOOL (ESSENTIAL TOOL FOR REMOVAL) (92-7A-55)
1992-02-07: (4L60) TRANS PUMP REMOVAL TOOL (ESSENTIAL TOOL FOR REMOVAL) (92-74L60-103)
1992-02-06: RWAL FUNCTIONAL TEST INFO (RWAL/ENGINE CONTROL UNIT) (92-5-108)
1992-01-22: VALVE ROCKER ARM BOLT FAILURE (INSPECT/REPLACE BOLTS) (91-6A-176)
1992-01-22: VALVE ROCKER ARM BOLT FAILURE (INSPECT/REPLACE BOLTS) (91-6-506)
1992-01-13: STUCK IN FIRST GEAR (4L80E) (REPLACE INPUT SPEED SENSOR) (21-71-02)
1991-12-16: HIGH LINE PRESS. INSTABILITY (4L80E/4L80EHD) NEW P/N (92-7A-36)
1991-12-16: HIGH LINE PRESS. INSTABILITY (4L80E/4L80EHD) NEW P/N (92-74L80E-102)
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)
1991-11-30: ENGINE OIL ECONOMY (INFORMATIONAL BULLETIN) (93-6A-124)
1991-11-30: ADJUSTING TIRE PRESSURE (DURING NEW VEHICLE PREP) (92-3-106)
1991-11-19: WARRANTY INFORMATION LETTER (CHEMICAL PAINT SPOTTING) (D-91-38)
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)
1991-10-31: SERVICE ENGINE LIGHT (CODE 22) DIAGNOSIS PROCEDURES (91-74L80-105)
1991-10-17: OIL PRESSURE GAGE READS HIGH FLUTTERS (REPL. SENSOR) (91-8-241)
1991-10-15: A/C COMPRESSOR SHAFT NUT REMOVAL (IMPROVED QUALITY) (93-1B-11)
1991-10-11: A/C COMPRESSOR SEALING WASHER USAGE (NEW DESIGN) (92-1B-23)
1991-10-11: A/C COMPRESSOR SEALING WASHER USAGE (NEW DESIGN) (92-1-103)
1991-10-09: A/C NOISE/VIBRATION INSTALL BRACE KIT (91-1B-154)
1991-10-09: A/C NOISE/VIBRATION INSTALL BRACE KIT (91-1-150)
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: A/C REFRIGERANT LOSS DUE TO LOOSE OR MISSING ACCESS CAPS (91-1B-112A)
1991-08-27: REUSABLE BOTTOM PAN SEAL FOR 4L80-E/4L80-EHD (SMU) (92-7A-11)
1991-08-27: REUSABLE BOTTOM PAN SEAL FOR 4L80-E/4L80-EHD (SMU) (92-74L80E-100)
1991-08-15: 1-2 SHIFT SHUDDER/DOUBLE FEEL (NEW PISTON & RING RELEASED) (91-74L80E-107)
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: CAMPAIGN: LOW (TPS) OUTPUT (INSPECT/REPLACE TPS SWITCH) (91E14)
1991-08-12: CAMPAIGN: LOW (TPS) OUTPUT (INSPECT/REPLACE TPS SWITCH) (1N12)
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)
1991-08-06: SERVICE GUILD: NEW SEAT BELT RESTRAINT SYSTEM (92-10-07)
1991-08-06: SERVICE GUILD: NEW SEAT BELT RESTRAINT SYSTEM (92-2-100)
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)
1991-07-31: ENGINE OVERHEAT CONDITION ASSISTANCE IN DIAGNOSING (91-6B-123)
1991-07-31: SERVICE ENGINE LIGHT (CODE 22) DIAGNOSIS PROCEDURES (91-74L80E-105)
1991-07-26: AC DELCO ADVANCE EXCHANGE PROGRAMS (REVIEW) (91-0A-131)
1991-07-26: DELAYED SHIFT IN LOW GEAR FOUR WHEEL DRIVE MODE-NEW PROM (91-7A-136)
1991-07-26: DELAYED SHIFT IN LOW GEAR FOUR WHEEL DRIVE MODE-NEW PROM (91-74L80E-108)
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)
1991-06-29: FIRM-HARSH SHIFT/NO 4TH GEAR/ NO TCC (DON'T REPLACE TRANS) (91-74L80E-104)
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)
1991-06-18: 1ST & 2ND SHIFT SHUDDER NEW PISTON & RING ASSY. (91-7A-158)
1991-06-18: 1ST & 2ND SHIFT SHUDDER NEW PISTON & RING ASSY. (90-73L80-107)
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)
1991-05-02: NOISE IN PARK OR NEUTRAL NEW SERVICE PACKAGE (91-7A-116)
1991-05-02: NOISE IN PARK OR NEUTRAL NEW SERVICE PACKAGE (91-74L80E-106)
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)
1991-04-17: TECH 1 RWAL/4WAL BRAKE CARTRIDGE DIAGNOSIS (91-5E-111)
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: RWAL SYSTEM CODE 7 DAIG./INFO. PROCEDURE FOR CLEARING CODES (91-5E-81)
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)
1991-03-12: RWAL SYSTEM CODE 7 DAIG./INFO. PROCEDURE FOR CLEARING CODES (91-5-129)
1991-02-28: TIRE DAMAGE CAUSED IN GM ASSY. PLANTS-REPLACEMENT PROCEDURES (91-3-115)
1991-02-27: NEW DESIGN SPARK PLUGS LONGER CERAMIC INSULATOR (91-6-113)
1991-02-26: RWAL & 4WAL SERVICE PROCEDURES READING TROUBLE CODES (91-5E-74)
1991-02-26: RWAL & 4WAL SERVICE PROCEDURES READING TROUBLE CODES (91-5-125)
1991-02-20: BRAKE BLEEDING TOOL MODIFIED PRESSURE BLEEDING BRAKE SYSTEM (91-5-71)
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)
1991-01-29: 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: 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: SERVICE ENGINE SOON LIGHT POSSIBLE FALSE CODE 32 (91-6-105)
1990-11-14: INTERMITTENT CONNECTION AT ECM PCM/TCM SENSORS OR COMPONENTS (91-6E-36)
1990-11-14: 1-2 SHUDDER/CHUGGLE OR DOUBLE BUMP (91-7A-35)
1990-11-14: 1-2 SHUDDER/CHUGGLE OR DOUBLE BUMP (91-74L80E100)
1990-11-14: INTERMITTENT CONNECTION AT ECM PCM/TCM SENSORS OR COMPONENTS (91-8-135)
1990-10-22: ELIMINATION OF COMFORT FEATURE ON SHOULDER BELT (91-10-30)
1990-10-22: ELIMINATION OF COMFORT FEATURE ON SHOULDER BELT (91-2-119)
1990-10-15: ASSY PLANT IDENTIFICATION AND PAINT SUPPLIERS (91-10-29)
1990-10-15: ASSY PLANT IDENTIFICATION AND PAINT SUPPLIERS (91-2-116)
1990-10-15: FRENCH LABEL INSTALLATION INSTRUCTIONS (91-0-100)
1990-10-09: 4L80 TRANS. TORQUE CONVERTER DAMPNER SPRING FRACTURED (91-2-02)
1990-10-09: SERVICE REPLACEMENT TRANSMISSION ASSY.(SRTA) (91-7A-27)
1990-10-09: 4L80 TRANS. TORQUE CONVERTER DAMPNER SPRING FRACTURED (0R16)
1990-10-09: SERVICE REPLACEMENT TRANSMISSION ASSY.(SRTA) (91-74L80E101)
1990-10-02: 4L80-E INITIAL SERV. AND DIAG. INFORMATION (91-7A-22)
1990-09-21: HYDRA-MATIC 4L80-E/4L80-EHD TOLL FREE 1-800 PHONE NUMBER (91-7A-24)
1990-09-21: CHECKING CONNECTOR TERMINAL CONTACT - METRI - PACK (91-8A-28)
1990-09-21: CHECKING CONNECTOR TERMINAL CONTACT - METRI - PACK (91-8-108)
1990-09-21: INSTRUMENT CLUSTER EXCHANGE PROGRAM WITH UNIT NUMBERS (91-8-107)
1990-08-29: 4L80E TRANSMISSION TORQUE CONVERTER SPRING-BUILT & FLINT (06-71-05)
1990-08-21: COOLANT USAGE RECOMMENDATION SERVICE INFORMATION (91-6B-14)
1990-08-21: COOLANT USAGE RECOMMENDATION SERVICE INFORMATION (91-6-100)
1990-08-15: STATE EMISSIONS TESTING INFORMATION / PROCEDURE (91-6E-15)
1990-06-19: ENGINE EXCHANGE PROGRAM NEW SERIES OF MARK ENGINES (91-6-10)
1990-06-19: ENGINE EXCHANGE PROGRAM NEW SERIES OF MARK ENGINES (90-674-103)
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)
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)
1989-09-21: GMC. TRUCK SERVICE BULLETINS NUMBERING SYS. GROUP CODE INFO (90-0A-08)
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)
1989-04-24: ENGINE COOLANT TESTING (USE OF REFACTOMETERS) (90-T-01)
1989-04-24: ENGINE COOLANT TESTING (USE OF REFACTOMETERS) (89-0-112)
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)
1987-12-01: R-22 REFRIGERANT ALL TRUCK MODELS (88-T-65)