GM Service Manual Online
For 1990-2009 cars only
Makes
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GMC_Truck
🢒
1981
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GMC MD P Bus Chassis
🢒 Bulletins
Technical Service Bulletins
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)
1995-10-10
:
WARRANTY INFORMATION ALL MODELS - ALL YEARS
(58-05-03)
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)
1995-04-27
:
INFORMATION ON GM CAMPAIGN IDENTIFICATION LABEL
(51-01-03)
1995-04-01
:
INFORMATION ON SIERRA-BRAND ENGINE COOLANT
(43-62-01B)
1995-02-03
:
SMU - INFO. ON INSPECTION/ MAINTENANCE (I/M) EMISSIONS
(51-65-02)
1994-09-15
:
DLR. PRODUCT CAMPAIGN BULLETIN NUMBERING SYSTEM
(41-01-03)
1994-09-12
:
INFO. ON NEW PROM/MEMCAL IDENTIFICATION MARKINGS
(44-65-01)
1994-09-08
:
CONTAMINATED A/C REFRIGERANT (INFORMATIONAL)
(43-12-23)
1994-08-16
:
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)
1994-05-13
:
WARRANTY ADMINISTRATION - EMISSION WARR. PARTS COVERAGE
(47-05-01)
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)
1993-12-22
:
RETROFITTING R-12 VEHICLES TO R-134A (INFORMATIONAL)
(33-12-26)
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)
1993-03-16
:
ILLUSTRATED STEERING SYSTEM BLEED PROCEDURE
(38-30-01A)
1993-03-01
:
DOOR LOCK CYLINDER RECOMMENDED LUBRICATIONS
(93-10A1-52)
1993-01-27
:
INFO. ON FACTORS THAT AFFECT FUEL ECONOMY
(30-65-02)
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
(93-10-148)
1992-09-01
:
INFO. ON GMC TRUCK BULLETINS NEW NUMBERING SYSTEM
(93-0A-01)
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)
1991-09-20
:
A/C REFRIGERANT LOSS DUE TO LOOSE OR MISSING ACCESS CAPS
(91-1B-112A)
1991-08-15
:
LOCKING DIFFERENTIAL LUBRICANT (SERVICE INFORMATION)
(91-4-109)
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)
1991-05-23
:
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)
1991-04-30
:
A/C REFRIGERANT LOSS DUE TO LOOSE/MISS. ACCESS FITTING CAP
(91-1-123)
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)
1990-12-10
:
ELECTRO-MECHANICAL INSTRUMENT CLUSTER REPLACEMENT INFO
(91-8C-47)
1990-09-21
:
LOOSE FIT BETWEEN COLUMN & STEERING SHAFT-INSPECT BEARING
(90-3B-101)
1990-09-21
:
LOOSE FIT BETWEEN COLUMN & STEERING SHAFT-INSPECT BEARING
(90-3-501)
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)
1990-01-04
:
LOCKING DIFFERENTIAL (G80) LUBRICANT SERVICE INFORMATION
(90-4-103)
1989-12-08
:
HARSH SHIFT/3-4 SHIFT CYCLING DUE TO LOW VACUUM
(90-7A-32)
1989-12-08
:
HARSH SHIFT/3-4 SHIFT CYCLING DUE TO LOW VACUUM
(90-7-501)
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)
1989-09-27
:
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)
1989-05-31
:
EVALUATING DRIVELINE VIBRATION (DIAGNOSIS FAULT TREE)
(89-T-73)
1989-05-31
:
EVALUATING DRIVELINE VIBRATION (DIAGNOSIS FAULT TREE)
(89-0-116)
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)
1989-02-15
:
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)
1988-12-23
:
NEW ALLISON AUTOMATIC DIPSTICK (NEW DESIGN RELEASED)
(88-T-189)
1988-12-23
:
NEW ALLISON AUTOMATIC DIPSTICK (NEW DESIGN RELEASED)
(88-7-506)
1988-10-30
:
REVISED AIR COMPRESSOR MOUNTING BRKT./BELT ADJUSTER
(87-T-117)
1988-10-30
:
REVISED AIR COMPRESSOR MOUNTING BRKT./BELT ADJUSTER
(87-6-507)
1988-08-08
:
ELECTROSTATIC DISCHARGE DAMAGE TO ECM (INFO. TO PREVENT)
(88-8-168)
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)
1988-05-19
:
LEAK-SERVICE AND PARTS INFORMATION
(88-T-127)
1988-05-19
:
LEAK-SERVICE AND PARTS INFORMATION
(88-7040-104)
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)
1988-02-01
:
ENG. MISS, HESITATION & ROUGH PIERCED SEC. IGN. COMPONENTS
(88-T-17)
1988-01-27
:
ENGINE HARMONIC BALANCER REDESIGN (NEW P/N RELEASED)
(88-T-79)
1988-01-27
:
ENGINE HARMONIC BALANCER REDESIGN (NEW P/N RELEASED)
(88-6-502)
1987-12-01
:
R-22 REFRIGERANT ALL TRUCK MODELS
(88-T-65)
1987-11-16
:
TIRE WARRANTIES IRREGULAR/PREMATURE WEAR
(88-T-66)
1987-11-16
:
TIRE WARRANTIES IRREGULAR/PREMATURE WEAR
(88-3-104)
1987-10-19
:
INSTRUMENT CLUSTER EXCHANGE PROGRAM INFORMATION
(88-8-106)
1987-10-15
:
REAR BRAKE SELF ADJUSTERS INOP INSPECT & ADJUST AS NEEDED
(87-T-93)
1987-10-15
:
REAR BRAKE SELF ADJUSTERS INOP INSPECT & ADJUST AS NEEDED
(87-5-500)
1987-07-31
:
TRAILER BRAKES INFORMATION
(88-T-27)
1987-07-31
:
TRAILER BRAKES INFORMATION
(88-5-100)
1987-06-03
:
TIRE COMPANY ASSISTANCE PROGRAM
(88-T-19)
1986-12-15
:
INSTRUMENT CLUSTER EXCHANGE PROGRAM INFORMATION
(87-8-113)
1986-11-25
:
DIRECTIONALLY PATTERNED TIRES INFORMATION/USAGE
(87-T-10)
1986-11-25
:
DIRECTIONALLY PATTERNED TIRES INFORMATION/USAGE
(87-3-500)
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)
1986-10-20
:
USE OF UNLEADED GASOLINE IN VEHICLES USING LEADED GAS
(87-6-100)
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)
1986-09-15
:
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
:
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)
1986-08-27
:
COOLANT SENSOR REPLACEMENT KIT CCC SYSTEM - CODE 15
(84-T-101)
1986-08-27
:
SPARK PLUG FOULING (INSTALL COPPER CORE PLUGS)
(86-B-103)
1986-08-27
:
COOLANT SENSOR REPLACEMENT KIT CCC SYSTEM - CODE 15
(86-6-136)
1986-08-27
:
SPARK PLUG FOULING (INSTALL COPPER CORE PLUGS)
(86-6-503)
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)
1986-06-18
:
PERIODIC VACUUM GEN. EXHAUST (CONDITION & EXPLANATION)
(86-B-97)
1986-06-18
:
PERIODIC VACUUM GEN. EXHAUST (CONDITION & EXPLANATION)
(86-6-502)
1986-04-09
:
FLUID LEAK DETECTION SPEC. FLUID/BLACK LIGHT USE
(86-B-72)
1986-04-09
:
FLUID LEAK DETECTION SPEC. FLUID/BLACK LIGHT USE
(86-0-108)
1986-02-26
:
CONTROL VALVE ASSEMBLY CLEANING/SERVICING - ALL A/T
(86-B-47)
1986-02-26
:
CONTROL VALVE ASSEMBLY CLEANING/SERVICING - ALL A/T
(86-7-103)
1986-02-20
:
REDUCED COOLANT FLOW AND/OR ENGINE OVERHEAT CONDITION
(86-B-39)
1986-02-20
:
REDUCED COOLANT FLOW AND/OR ENGINE OVERHEAT CONDITION
(86-6-500)
1986-01-23
:
AUTOMATIC TRANSMISSION IDENTIFICATION INFORMATION
(86-B-42)
1986-01-23
:
AUTOMATIC TRANSMISSION IDENTIFICATION INFORMATION
(86-7-102)
1986-01-07
:
ANTIFREEZE CONCENTRATION EFFECTS ON ALL ENGINES
(86-B-48)
1986-01-07
:
ANTIFREEZE CONCENTRATION EFFECTS ON ALL ENGINES
(86-600-110)
1985-12-23
:
WORK AREA & EQUIP. REQUIREMENT TO OVERHAUL TRANSMISSIONS
(86-7-101)
1985-11-13
:
LUBRICATION OF LOCK CYLINDERS PROPER LUBRICANTS/PRECAUTIONS
(86-B-43)
1985-11-13
:
LUBRICATION OF LOCK CYLINDERS PROPER LUBRICANTS/PRECAUTIONS
(86-2-105)
1985-10-29
:
RECOMMENDED RTV SEALANTS P/N'S AND APPLICATIONS
(86-B-28)
1985-10-07
:
CRACKED PAINT USING RM HIGH SOLIDS RAPID FILTER
(86-2-103)
1985-07-26
:
TIRE AND WHEEL RUNOUT MEASURING AND REPAIRING
(85-B-98)
1985-07-26
:
TIRE AND WHEEL RUNOUT MEASURING AND REPAIRING
(85-3-133)
1985-06-05
:
INOPERATIVE DOOR LOCK CYLINDER RESTORE W/ SILICONE LUBRICANT
(85-B-85)
1985-06-05
:
INOPERATIVE DOOR LOCK CYLINDER RESTORE W/ SILICONE LUBRICANT
(85-2-139)
1985-04-09
:
TORQUE CONVERTER END PLAY NEW MEASUREMENT TOOL
(85-B-77)
1985-04-09
:
TORQUE CONVERTER END PLAY NEW MEASUREMENT TOOL
(85-7-138)
1985-02-28
:
EXCESSIVE ALCOHOL IN FUEL POOR DRIVEABILITY
(85-B-69)
1985-02-07
:
TRANSMISSION SERVICE USE OF PETROLEUM JELLY
(85-B-51)
1985-02-07
:
TRANSMISSION SERVICE USE OF PETROLEUM JELLY
(85-7-121)
1985-01-02
:
REMOVING WHEELS- CORROSION BUILD-UP CENTER HOLE HUB
(85-B-37)
1985-01-02
:
REMOVING WHEELS- CORROSION BUILD-UP CENTER HOLE HUB
(85-3-109)
1984-11-21
:
BRAKE CALIPERS TO KNUCKLE CLEARANCE-REVISION
(85-B-36)
1984-11-21
:
BRAKE CALIPERS TO KNUCKLE CLEARANCE-REVISION
(85-5-101)
1984-11-12
:
A/C HOSE AND CLAMP HOSE LEAK REPAIR
(85-B-30)
1984-11-12
:
A/C HOSE AND CLAMP HOSE LEAK REPAIR
(85-1-108)
1984-11-10
:
ADDITION OF AUX ELECT. EQUIP. CONNECTIVE PARTS AVAILABLE
(85-B-27)
1984-11-10
:
ADDITION OF AUX ELECT. EQUIP. CONNECTIVE PARTS AVAILABLE
(85-8-109)
1984-09-18
:
AIR COMPRESSOR BRACKETS NEW PART/PART NUMBERS
(85-B-7)
1984-09-18
:
AIR COMPRESSOR BRACKETS NEW PART/PART NUMBERS
(85-6-500)
1984-08-13
:
EMERGENCY PARTS ORDERING PROCEDURE CLARIFICATION
(84-B-25)
1984-08-06
:
CAMPAIGN: AIR IN BRAKE SYSTEM BENDIX MASTER CYLINDER
(83-C-10)
1984-06-27
:
CARBURETOR VACUUM BREAK TEST PROCEDURE
(85-B-64)
1984-06-27
:
CARBURETOR VACUUM BREAK TEST PROCEDURE
(85-6-159)
1984-04-25
:
OIL ECONOMY (USAGE) GENERAL GUIDELINES
(84-B-85)
1984-04-25
:
OIL ECONOMY (USAGE) GENERAL GUIDELINES
(84-6-181)
1984-04-14
:
NO REVERSE, FIRST GEAR ONLY OVERHAUL PROCEDURES OUTLINED
(84-7-119)
1984-03-02
:
LOSS OF POWER IN DRIVE DIESEL INFORMATION
(84-B-64)
1984-03-02
:
LOSS OF POWER IN DRIVE DIESEL INFORMATION
(84-7-120)
1984-01-25
:
RTV SEALER/GASKET ELIMINATOR DESCRIPTION
(83-B-42)
1984-01-25
:
RTV SEALER/GASKET ELIMINATOR DESCRIPTION
(83-6-119)
1984-01-03
:
ENGINE/TRANSMISSION OIL COOLER DIAGNOSIS
(84-B-40)
1984-01-03
:
ENGINE/TRANSMISSION OIL COOLER DIAGNOSIS
(84-7-108)
1983-11-16
:
ENGINE TURBO & HEAD REMOVAL PROCEDURE OUTLINED
(84-B-18)
1983-11-16
:
ENGINE TURBO & HEAD REMOVAL PROCEDURE OUTLINED
(6-222)
1983-08-07
:
PAINT STRIPPING INFORMATION AND PROCEDURES
(83-B-125)
1983-06-16
:
ATTACHING WIRING HARNESS CONNECTOR (SERVICE PROCEDURE)
(3-82)
1983-06-16
:
FLOAT NEEDLE PULL CLIP CORRECT INSTALLATION
(80-I-57)
1983-06-16
:
TRANSMISSION OIL LEAKS HYDRA-MATIC TRANSMISSIONS
(81-I-16)
1983-06-16
:
DIESEL CRUISE CONTROL TRANSDUCER SERVICE CENTERS
(81-I-27)
1983-06-16
:
DIESEL COLD WEATHER FUEL RECOMMENDATION
(81-I-30)
1983-06-16
:
CRUISE CONTROL TRANSDUCER SERV USE AUTHORIZED SERVICE CENTERS
(82-B-47)
1983-06-16
:
ACCESSORY DRIVE INSTALLATION PART NUMBERS/PROCEDURE
(83-B-1)
1983-06-16
:
FREEDOM BATTERY DIAGNOSIS INFORMATION
(83-B-20)
1983-06-16
:
ACCESSORY DRIVE INSTALLATION PART NUMBERS/PROCEDURE
(6-207)
1983-06-16
:
FLOAT NEEDLE PULL CLIP CORRECT INSTALLATION
(80-64-143)
1983-06-16
:
DIESEL COLD WEATHER FUEL RECOMMENDATION
(81-60-115)
1983-06-16
:
PROPANE ENRICHMENT CARBURETOR ADJUSTMENT UPDATE
(81-64-112)
1983-06-16
:
TRANSMISSION OIL LEAKS HYDRA-MATIC TRANSMISSIONS
(81-70-302)
1983-06-16
:
A/C MUFFLER HOSE REPLACEMENT SERVICE INFORMATION
(82-1-114)
1983-06-16
:
EATON DIESEL VRV INSTALLATION PROCEDURE
(82-6-117)
1983-06-16
:
FREEDOM BATTERY DIAGNOSIS INFORMATION
(83-8-104)
1983-02-08
:
VITON ACCELERATOR PUMPS USAGE SERVICE REPLACEMENT ONLY
(83-B-91)
1983-01-17
:
ENGINE COOLANT USAGE ANTI-FREEZE SPECS CHANGE
(83-B-39)
1983-01-17
:
ENGINE COOLANT USAGE ANTI-FREEZE SPECS CHANGE
(83-6-118)
1981-11-01
:
4-SPEED MANUAL OVERDRIVE TRANS LUBE RECOMMENDATION
(82-B-13)
1981-10-01
:
ALTITUDE ADJUSTMENTS MADE FROM LOW TO HIGH ALTITUDE
(82-B-7)
1981-09-19
:
OIL RECOMMENDATIONS NEW HIGHER QUALITY CATEGORY
(81-I-20)
1981-09-19
:
OIL RECOMMENDATIONS NEW HIGHER QUALITY CATEGORY
(81-00-103)