1999 GMC C6500
4 recalls, 0 complaints - 34 TSBs
02V287000 Nov 4, 2002
ENGINE AND ENGINE COOLING:ENGINE:GASOLINE
Defect Description
CERTAIN MEDIUM DUTY C-SERIES AND B7 SCHOOL BUS CHASSIS EQUIPPED WITH A 7.4 LITER GAS ENGINE AND AN IMPCO LPG CONVERSION KIT. SOME OF THESE VEHICLES MAY HAVE ENGINE BACKFIRES WITH SUFFICIENT FORCE TO DAMAGE THE ENGINE AIR INTAKE SYSTEM AND THE AIR CLEANER FILTER ELEMENT.
Consequence
IF THE DAMAGED AIR CLEANER PARTS ARE DISLODGED FROM THEIR NORMAL POSITION, THESE PARTS COULD COME IN CONTACT WITH THE HOT EXHAUST MANIFOLD AND/OR HOT EXHAUST GAS RECIRCULATION (EGR) VALVE TUBE RESULTING IN A POSSIBLE ENGINE COMPARTMENT FIRE.
Remedy
DEALERS WILL INSTALL A REDESIGNED MIXER BONNET AND AIR CLEANER HOUSING COVER, SELECTIVE UPGRADES IN VARIOUS CONNECTIONS RELATED TO THE AIR INDUCTION SYSTEM, AND IF NEEDED, A NEW AIR CLEANER FILTER. OWNER NOTIFICATION BEGAN DECEMBER 18, 2002. OWNERS WHO TAKE THEIR VEHICLES TO AN AUTHORIZED DEAL... Read more
00V232008 Sep 7, 2000
SERVICE BRAKES, AIR:ANTILOCK
Defect Description
VEHICLE DESCRIPTION: SCHOOL BUSES, MEDIUM DUTY TRUCKS AND TRACTORS BUILT WITH BENDIX AIR ABS WITH AN EC-17 1030R ELECTRONIC CONTROL UNIT (ECU), THERE HAVE BEEN REPORTS OF UNWANTED ABS ACTIVATION AT LOW SPEEDS CAUSED BY 1) CHAFED ABS WHEEL SPEED SENSOR WIRES ON ROTATING PARTS OR 2) A DAMAGED COMPONE... Read more
Consequence
THIS CONDITION COULD CAUSE THE ABS ECU TO EXHAUST THE AIR AT THE AIR BRAKE MODULATORS FOR ONE OR MORE OF THE WHEELS. THIS COULD RESULT IN EXTENDED BRAKING DISTANCES AND A POSSIBLE CRASH.
Remedy
DEALERS WILL REPLACE THE ABS ECU.
00V236000 Aug 23, 2000
POWER TRAIN:AUTOMATIC TRANSMISSION
Defect Description
VEHICLE DESCRIPTION: MEDIUM DUTY TRUCKS. THE TRANSMISSION FLUID COULD LEAK FROM A HEAT DEGRADED TRANSMISSION FLUID COOLER HOSE ONTO THE EXHAUST SYSTEM ON THE PASSENGER'S SIDE OF THE VEHICLE.
Consequence
THIS CONDITION COULD RESULT IN A FIRE.
Remedy
DEALERS WILL INSTALL A NEW TRANSMISSION FLUID COOLER INLET HOSE AND OUTLET HOSE DESIGNED WITH A HEAT SLEEVE AND ENSURE ADEQUATE CLEARANCE TO THE EXHAUST SYSTEM TAKE-DOWN PIPE. DEALERS WILL ALSO INSPECT THE RIGHT-HAND EXHAUST MANIFOLD SEAL FOR LEAKAGE, AND REPLACE IF NECESSARY.
99V320000 Nov 15, 1999
POWER TRAIN:AUTOMATIC TRANSMISSION
Defect Description
VEHICLE DESCRIPTION: MEDIUM DUTY CONVENTIONAL CAB TRUCKS AND SCHOOL BUS CHASSIS EQUIPPED WITH AN AUTOMATIC TRANSMISSION, HAVE TRANSMISSION SHIFT CABLE END RODS THAT HAVE NOT BEEN CRIMPED TO THE PROPER SPECIFICATION. OVER TIME, THE SHIFT CABLE COULD BE PULLED OUT OF THE ROD END CAUSING THE DRIVER ... Read more
Consequence
WITH THIS CONDITION, THE VEHICLE MAY MOVE IN A DIRECTION NOT ANTICIPATED BY THE DRIVER, INCREASING THE RISK OF A CRASH.
Remedy
DEALERS WILL INSTALL A NEW SHIFT CABLE.
No complaints found for this vehicle.
Technical Service Bulletins, 1999 GMC C6500
34 manufacturer communications from 23 unique bulletins. TSBs describe known problems and recommended fixes from the manufacturer.
Most Affected Components
| Component | Bulletins |
|---|---|
| 356000 EQUIPMENT ADAPTIVE/MOBILITY | 5 |
| 061100 ENGINE AND ENGINE COOLING:ENGINE:GASOLINE | 4 |
| 350000 EQUIPMENT | 3 |
| 061000 ENGINE AND ENGINE COOLING:ENGINE | 2 |
| 160000 STRUCTURE | 2 |
| 103600 POWER TRAIN:AUTOMATIC TRANSMISSION:COOLING UNIT AND LINES | 2 |
| 161100 STRUCTURE:FRAME AND MEMBERS:UNDERBODY SHIELDS | 2 |
| 200000 WHEELS | 2 |
17-NA-073
Feb 21, 2023
355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL
This warranty administration bulletin provides information regarding the field action courtesy transportation policy.
16NA260
Aug 26, 2016
353400 EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.
THIS TECHNICAL BULLETIN PROVIDES A PROCEDURE TO REPROGRAM THE MEDIA DISC PLAYER WITH THE LATEST CALIBRATIONS TO CORRECT A CONDITION OF THE REAR ENTERTAINMENT SYSTEM NOT OPERATING AS INTENDED IN COLDER AMBIENT TEMPERATURE AREAS DUE TO CALIBR
Recalls
Jun 30, 2014
355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL
Vehicle Recalls
99-08-51-007F
Feb 1, 2014
356000 EQUIPMENT ADAPTIVE/MOBILITY
Refinishing Aluminum Wheels This bulletin updates General Motor's position on refinishing aluminum wheels. GM does not endorse any repairs that involve welding, bending, straightening o re-machining. Only cosmetic refinishing of the whe
99-08-51-007F
Feb 1, 2014
350000 EQUIPMENT
Refinishing Aluminum Wheels This bulletin updates General Motor's position on refinishing aluminum wheels. GM does not endorse any repairs that involve welding, bending, straightening o re-machining. Only cosmetic refinishing of the whe
99-08-51-007F
Feb 1, 2014
200000 WHEELS
Refinishing Aluminum Wheels This bulletin updates General Motor's position on refinishing aluminum wheels. GM does not endorse any repairs that involve welding, bending, straightening o re-machining. Only cosmetic refinishing of the whe
99-08-51-007F
Feb 1, 2014
356000 EQUIPMENT ADAPTIVE/MOBILITY
Refinishing Aluminum Wheels This bulletin updates General Motor's position on refinishing aluminum wheels. GM does not endorse any repairs that involve welding, bending, straightening o re-machining. Only cosmetic refinishing of the whe
99-08-51-007F
Feb 1, 2014
350000 EQUIPMENT
Refinishing Aluminum Wheels This bulletin updates General Motor's position on refinishing aluminum wheels. GM does not endorse any repairs that involve welding, bending, straightening o re-machining. Only cosmetic refinishing of the whe
99-08-51-007F
Feb 1, 2014
200000 WHEELS
Refinishing Aluminum Wheels This bulletin updates General Motor's position on refinishing aluminum wheels. GM does not endorse any repairs that involve welding, bending, straightening o re-machining. Only cosmetic refinishing of the whe
PI0281D
Jan 1, 2014
356000 EQUIPMENT ADAPTIVE/MOBILITY
Underbody Component Corrosion The following information may be helpful when addressing underbody component corrosion with customers. Some customers may comment that one or more of their vehicle's underbody components are showing some fo
PI0281D
Jan 1, 2014
161100 STRUCTURE:FRAME AND MEMBERS:UNDERBODY SHIELDS
Underbody Component Corrosion The following information may be helpful when addressing underbody component corrosion with customers. Some customers may comment that one or more of their vehicle's underbody components are showing some fo
PI0281D
Jan 1, 2014
356000 EQUIPMENT ADAPTIVE/MOBILITY
Underbody Component Corrosion The following information may be helpful when addressing underbody component corrosion with customers. Some customers may comment that one or more of their vehicle's underbody components are showing some fo
PI0281D
Jan 1, 2014
161100 STRUCTURE:FRAME AND MEMBERS:UNDERBODY SHIELDS
Underbody Component Corrosion The following information may be helpful when addressing underbody component corrosion with customers. Some customers may comment that one or more of their vehicle's underbody components are showing some fo
130089009
Sep 1, 2013
061600 ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE (ECU/ECM)
Expanded Availability for Remanufacture and Return (R&R) Electronic Control Modules
020604026A
Nov 1, 2002
061000 ENGINE AND ENGINE COOLING:ENGINE
ENGINE BACKFIRE AND RELATED DRIVEABILITY ISSUES. *TT
TSB-013
Jun 1, 2002
060000 ENGINE (PWS)
Engine Backfire and Related Driveability Issues
020729005
Jun 1, 2002
102000 POWER TRAIN:MANUAL TRANSMISSION
SUBJECT REGARDING VIBRATION OR TRANSMISSION OUTPUT SHAFT DAMAGE / OIL SEAL LEAK ON CONVENTIONAL CAB MEDIUM DUTY MODELS. *TT
020604026
Jun 1, 2002
061100 ENGINE AND ENGINE COOLING:ENGINE:GASOLINE
THIS BULLETIN IS BEING ISSUED TO ASSIST TECHNICIANS IN EFFICIENTLY DIAGNOSING AND CORRECTING BACKFIRE AND OTHER RELATED DRIVEABILITY CONCERNS. *TT
TSB-013
Jun 1, 2002
350000 EQUIPMENT
Engine Backfire and Related Driveability Issues
TSB-013
Jun 1, 2002
356000 EQUIPMENT ADAPTIVE/MOBILITY
Engine Backfire and Related Driveability Issues
000601013A
May 1, 2002
061100 ENGINE AND ENGINE COOLING:ENGINE:GASOLINE
INFORMATION PERTAINING TO THE RELEASE OF THE EXHAUST MANIFOLD / TURBOCHARGER HEAT SHIELD. *TT
010603003
Mar 1, 2001
112000 ELECTRICAL SYSTEM:ALTERNATOR/GENERATOR/REGULATOR
SOME DRIVERS MAY COMMENT THAT THE GENERATOR UPPER MOUNTING BOLT IS BREAKING ON CERTAIN CONVENTIONAL MEDIUM DUTY MODELS. *TT
010843002
Mar 1, 2001
136000 VISIBILITY:WINDSHIELD WIPER/WASHER
SOME CUSTOMERS MAY COMMENT THAT THE WINDSHIELD (W/S) WASHER RESERVOIR SHOWS AN UNEXPLAINED REDUCED FLUID LEVEL AFTER VEHICLE OPERATION. *TT
010138004
Feb 1, 2001
138600 VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM:HEATER CORE
SOME DRIVES MAY COMMENT THAT THE HEATER OUTLET HOSE IS ROUTED TOO CLOSE TO THE GENERATOR OR THAT THE HOSE CONTACTS AND RUBS ON THE GENERATOR. *TT
000525004
Dec 1, 2000
036400 SERVICE BRAKES, HYDRAULIC:ANTILOCK/TRACTION CONTROL/ELECTRONIC LIMITED SLIP:ABS WARNING LIGHT
SOME DRIVERS MAY COMMENT ABOUT THE ABS LAMP ILLUMINATING. AN ABS DIAGNOSTIC TROUBLE CODE 0281 - BRAKE SWITCH CIRCUIT MAY HAVE BEEN SET ON THOSE VEHICLES EQUIPPED WITH HYDRAULIC BRAKES. THE DIAGNOSTIC TROUBLE CODE WILL BE STORED IN MEMOR
000604047
Nov 1, 2000
061100 ENGINE AND ENGINE COOLING:ENGINE:GASOLINE
SOME MEDIUM DUTY MODELS WITH 3126 CATERPILLAR DIESEL ENGINE AND ALLISON AUTOMATIC TRANSMISSION MAY EXHIBIT AN ENGINE SPEED POWER TAKEOFF (PTO) OPERATION RETURNING TO IDLE FOR NO APPARENT REASON. *TT
00070
Oct 31, 2000
103600 POWER TRAIN:AUTOMATIC TRANSMISSION:COOLING UNIT AND LINES
GENERAL MOTORS HAS DECIDED THAT A DEFECT WHICH RELATES TO MOTOR VEHICLE SAFETY EXISTS IN CERTAIN MEDIUM DUTY VEHICLES. SOME OF THESE VEHICLES EXHIBIT A CONDITION IN WHICH TRANSMISSION FLUID MAY LEAK FROM A HEAT DEGRADED TRANSMISSION FLUID
000731001
Sep 1, 2000
101000 POWER TRAIN:CLUTCH ASSEMBLY
EXPERIENCING NOISY RELEASE BEARING, SLIPPING CLUTCH OR INOERATIVE CLUTCH. *TT
00070
Sep 1, 2000
103600 POWER TRAIN:AUTOMATIC TRANSMISSION:COOLING UNIT AND LINES
SUBJECT REGARDING TRANSMISSION OIL COOLER LINE DEGRADATION. *TT
000604016
Apr 1, 2000
061100 ENGINE AND ENGINE COOLING:ENGINE:GASOLINE
SOME CUSTOMERS MAY COMMENT ON AN INTERMITTENT HARD START OR NO START, AND / OR POSSIBLE MALFUNCTION INDICATOR LIGHT WITH A DIAGNOSTIC TROUBLE CODE P1345. *TT
000863001A
Feb 1, 2000
160000 STRUCTURE
SOME OWNERS MAY COMMENT ON THE CAB ASSIST STEP CRACKING AROUND THE MOUNTING BOLTS. *TT
000863001
Feb 1, 2000
160000 STRUCTURE
SOME VEHICLES MAY EXPERIENCE ON THE CAB ASSIST STEP CRACKING AROUND THE MOUNTING BOLTS. *MJS
990604022
Jul 1, 1999
061000 ENGINE AND ENGINE COOLING:ENGINE
CONCERNS WITH THE COOLANT ALARM AND OIL PRESSURE ALARM ACTIVATING WHEN THE VEHICLE IS STOPPED AND THE ENGINE RETURNS TO IDLE. *TT
990620014
Jul 1, 1999
062100 ENGINE AND ENGINE COOLING:COOLING SYSTEM:RADIATOR ASSEMBLY
ON SOME MEDIUM DUTY CONVENTIONAL MODELS, THE RADIATOR SURGE TANK CAP CONTACTING UNDERSIDE OF HOOD. *TT
GMC C6500 - All Years Overview
Complete safety history for the GMC C6500 across all model years (1974, 2007).
14
Total Recalls
5
Total Complaints
0
Investigations
0
Reported Crashes
0
Reported Fires
0
Reported Deaths