1998 GMC Sonoma TSBs
76 Technical Service Bulletins across 12 categories
Categories
Engine
20 bulletinsSUBJECT REGARDING RUST IN COOLING SYSTEM, HEATER INOPERATIVE, BLOWS COLD AIR, ENGINE OVERHEATS (FLUSH COOLING SYSTEM).
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NLM
CUSTOMERS MAY COMPLAIN OF EXCESSIVE OIL CONSUMPTION AND HAVING TO ADD OIL BETWEEN CHANGES.
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*JG
SOME CUSTOMERS MAY COMMENT THAT THE HEATER IS INOPERATIVE, BLOWS COLD AIR, ENGINE MAY EXHIBIT AN OVERHEAT CONDITION OR...
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THE COOLANT RESERVOIR HAS RUST IN IT. *TT
SOME CUSTOMERS MAY COMMENT THAT THE SECURITY LAMP ILLUMINATES WHILE DRIVING; THE SECURITY LAMP MAY BE ON OR OFF; THE...
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SECURITY LAMP IS ILLUMINATED; THE ENGINE CRANKS BUT WILL NOT START AND THE SECURITY LAMP IS FLASHING; AND / OR THE ENGINE STARTS THEN STALLS AND THE SECURITY LAMP IS FLASHING. *TT
CUSTOMER SATISFACTION CAMPAIGN INVOLVING VEHICLES EXHIBITING INCREASED OIL CONSUMPTION.
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*TT
SOME CUSTOMERS MAY EXPERIENCE ILLUMINATION OF THE SERVICE ENGINE SOON (SES) LIGHT AND CODE P0300 (GENERAL MISFIRE), WITH...
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DRIVEABILITY COMPLAINTS OF ENGINE MISFIRE, ROUGH IDLE AND HESITATION. **MR
SOME CUSTOMERS MAY COMMENT THAT THE HEATER IS INOPERATIVE, BLOWS COLD AIR, ENGINE MAY EXHIBIT AN OVERHEAT CONDITION OR...
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THE COOLANT RESERVOIR HAS RUST IN IT. *TT
SOME CUSTOMERS MAY COMMENT THAT THE HEATER IS INOPERATIVE, BLOWS COLD AIR, ENGINE MAY EXHIBIT AN OVERHEAT CONDITION OR...
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THE COOLANT RESERVOIR HAS RUST IN IT. *TT
VALVE ROCKER ARM COVER FAILED, CAUSING OIL CNSUMPTION TO INCREASE.
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YD
EXHIBITING INCREASED OIL CONSUMPTION.
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*YC
SOME VEHICLES MAY EXHIBIT INCREASED OIL CONSUMPTION.
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*YC
SOME VEHICLES MAY EXHIBIT A INCREASED OIL CONSUMPTION.
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*YC
This preliminary informational bulletin provides information on High Oil Pressure on Startup After Engine Replacement...
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Concern.
This Preliminary Information communication provides information to the technician about vehicle that after a...
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transmission or torque converter replacement the vehicle may have a harsh 1-2 upshift and the Check Engine Light or Service Engine Soon indicator is illuminated. If you have duplicated the customer?s concern and found Diagnostic Trouble Code P0894 or P1870 set in the Transmission Control Module please contact General Motors Technical Assistance Center.
THIS PRELIMINARY INFORMATION COMMUNICATION PROVIDES INFORMATION TO THE TECHNICIAN ABOUT VEHICLE THAT AFTER A...
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TRANSMISSION OR TORQUE CONVERTER REPLACEMENT THE VEHICLE MAY HAVE A HARSH 1-2 UPSHIFT AND THE CHECK ENGINE LIGHT OR SERVICE ENGINE SOON INDICATOR IS ILLUMINATED. IF YOU HAVE DUPLICATED THE CUSTOMERS CONCERN AND FOUND DIAGNOSTIC TROUBLE CODE P0894 OR P1870 SET IN THE TRANSMISSION CONTROL MODULE PLEASE CONTACT GENERAL MOTORS TECHNICAL ASSISTANCE CENTER.
SERVICE ENGINE SOON (SES) LIGHT ILLUMINATED, DIAGNOSTIC TROUBLE CODE P0420 SET.
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*TT
SERVICE ENGINE SOON LIGHT AND P0300 WHEN TOWING, CRUISING UPHILL OR ON HARD ACCELERATION.
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*TT
ENGINE COOLANT LEAK AT INTAKE GASKET.
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* MJ
4.3 L35 LU3 RATTLE OR BUZZ NOISE FROM ENGINE.
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SIT BULLETIN 1457619. *TT
RATTLE NOISE IN ENGINE.
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*TT
Body & Paint
13 bulletinsSOME CUSTOMERS MAY COMMENT THAT THE THIRD DOOR IS HARD TO OPEN AND/OR THE DOOR HANDLE MAY BE BROKEN FOR 1996-2002...
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CHEVROLET AND GMC S/T EXTENDED CAB PICKUP MODELS.. *SLC
CONCERNS WITH EXCESSIVE EFFORT OR BREAKING OF THE THIRD DOOR HANDLE ON EXTENDED CAB PICK UPS.
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*TT
This Preliminary Information communication provides information to the technician about vehicles that may have slack in one of the tailgate cables.
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Technician should not replace any parts for this concern. Please communicate to the customer this condition is a normal operating characteristic of their vehicle.
This Preliminary Information communication provides information to the technician about vehicles that may have slack in one of the tailgate cables.
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Technician should not replace any parts for this concern. Please communicate to the customer this condition is a normal operating characteristic of their vehicle.
This Preliminary Information communication provides information to the technician about vehicles that may have slack in one of the tailgate cables.
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Technician should not replace any parts for this concern. Please communicate to the customer this condition is a normal operating characteristic of their vehicle.
This Preliminary Information communication provides information to the technician about vehicles that may have slack in one of the tailgate cables.
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Technician should not replace any parts for this concern. Please communicate to the customer this condition is a normal operating characteristic of their vehicle.
This Preliminary Information communication provides information to the technician about vehicles that may have slack in one of the tailgate cables.
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Technician should not replace any parts for this concern. Please communicate to the customer this condition is a normal operating characteristic of their vehicle.
This Preliminary Information communication provides information to the technician about vehicles that may have slack in one of the tailgate cables.
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Technician should not replace any parts for this concern. Please communicate to the customer this condition is a normal operating characteristic of their vehicle.
This Preliminary Information communication provides information to the technician about vehicles that may have slack in one of the tailgate cables.
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Technician should not replace any parts for this concern. Please communicate to the customer this condition is a normal operating characteristic of their vehicle.
This Preliminary Information communication provides information to the technician about vehicles that may have slack in one of the tailgate cables.
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Technician should not replace any parts for this concern. Please communicate to the customer this condition is a normal operating characteristic of their vehicle.
This Preliminary Information communication provides information to the technician about vehicles that may have slack in one of the tailgate cables.
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Technician should not replace any parts for this concern. Please communicate to the customer this condition is a normal operating characteristic of their vehicle.
WATER LEAK IN FRONT FLOOR CARPET AREA.
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GM TECH LINK. *TT
TAILGATE CABLE SLACK.
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THIS INCLUDES 1998-2006 CHEVROLET AND GMC FULL AND MID SIZE TRUCKS. *EH UPDATED. *KB
Other
8 bulletinsINFORMATION ON OVER TORQUING OR A REVERSE BEDRAIL INSTALLATION.
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*TT
SUBJECT REGARDING GENERAL WATERLEAK GUIDE.
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*TT
CUSTOMERS MAY COMMENT THAT THE SEAT RECLINER HANDLE IS STRIPPED.
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*JG
INFORMATION REGARDING IMPROVED BUS SEAT DECLINER ASSEMBLIES, THE HANDLE ON THE RECLINER ASSEMBLY IS ATTACHED WITH A...
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NUMBER 20 TORQUE WITH A SHANK LENGTH OF 20 MILLIMETERS. *SLC
SUBJECT REGARDING THE NEW RECLINCER ASSEMBLY.
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*TT
CLUNK NOISE FELT THROUGH THE FLOOR PAN.
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*KB
4WD MODELS WITH NOISE, VIBRATION ON DRY PAVEMENT.
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*EH
CLUNK NOISE FELT THROUGH FLOOR PAN.
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*TT
Transmission
6 bulletinsDIAGNOSIS OF CRACKED OR BROKEN TRANSMISSION CASE.
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*TT 2006 AND PRIOR CARS AND LIGHT DUTY TRUCKS. *TT
SOME VEHICLES WILL NOT MOVE WHEN 4-WHEEL DRIVE IS REQUESTED, NOISE, SHUDDER, POOR PERFORMANCE, TRANSMISSION / TRANSFER...
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CASE SLIPS, TRANSMISSION WILL NOT UPSHIFT, SLIPS IN 4-WHEEL DRIVE. *TT
DIAGNOSTIC INFORMATION FOR INTERMITTENT TRANSMISSION DOWNSHIFT, SLIP, BUSY/CYCLING TCC OR NOISY COOLING FAN.
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*TT
4L60E, 4L65E FORWARD AND LOW REVERSE WAVED STEEL CLUTCH PLATE APPEARANCE CHANGE.
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*TT
4L60-E AUTOMATIC TRANSMISSION OIL PUMP FIRST AND SECOND DESIGN IDENTIFICATION.
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*TT
MALFUNCTION INDICATOR LAMP (MIL) IS ON; THE TRANSMISSION IS STUCK IN THIRD GEAR; AND / OR THE INSTRUMENT CLUSTER IS INOPERATIVE.
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*TT
Electrical
6 bulletinsINFORMATION ON REPLACING CORRODED TRAILER PRE-WIRE HARNESS AT THE REAR BUMPER.
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*TT
Expanded Availability for Remanufacture and Return (R&R) Electronic Control Modules
FUEL AND TEMPERATURE GAUGE INOPERATIVE, LOW FUEL AND BATTERY LIGHT ON, PRNDL INOPERATIVE.
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*TT
DIAGNOSTIC INFORMATION FOR INTERMITTENT VEHICLE NO CRANK DEAD BATTERY.
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*EH
INSTRUMENT CLUSTER PRNDL INOPERATIVE AND OR BATTERY LIGHT ON.
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*SC
REVISED HEATER / VENT MODULE REPLACEMENT.
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*TT
Fuel System
6 bulletinsThis Preliminary Information communicates to the dealer the process for downloading or updating operating software for...
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the Tire Pressure Monitor, Active Fuel Injector tester, multi media tester, PICO Scope, GR8 starting/charging tester and Vehicle Data Recorder tools, giving website address and step by step instructions to complete the update.
This Preliminary Information communicates to the dealer the process for downloading or updating operating software for...
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the Tire Pressure Monitor, Active Fuel Injector tester, multi media tester, PICO Scope, GR8 starting/charging tester and Vehicle Data Recorder tools, giving website address and step by step instructions to complete the update.
This Preliminary Information communicates to the dealer the process for downloading or updating operating software for...
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the Tire Pressure Monitor, Active Fuel Injector tester, multi media tester, PICO Scope, GR8 starting/charging tester and Vehicle Data Recorder tools, giving website address and step by step instructions to complete the update.
This informational bulletin provides the technician with information on what E85 fuel may due to a non E85 vehicle.
This Preliminary Information communicates to the dealer the process for downloading or updating operating software for...
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the Tire Pressure Monitor, Active Fuel Injector tester, multi media tester, PICO Scope, GR8 starting/charging tester and Vehicle Data Recorder tools, giving website address and step by step instructions to complete the update.
FUEL GAUGE FLUCTUATION IN PARK OR NEUTRAL.
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*TT
Pre-Delivery & Maintenance
5 bulletinsVehicle Recalls
This warranty administration bulletin provides information regarding the field action courtesy transportation policy.
This warranty administration bulletin provides information regarding the field action courtesy transportation policy.
This warranty administration bulletin provides information regarding the field action courtesy transportation policy.
This warranty administration bulletin provides policy information with the field action courtesy transportation policy.
Infotainment
5 bulletinsThis Preliminary Information communication provides information to the technician on how to unlock radios that are Delco TheftLock.
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Technician will use the radio to get the scrambled code. Technician will need to contact the radio unlock center to retrieve the unlock code from the scrambled code. The PI update to version D is to advise the unlock procedure is temporarily unavailable. E version update is to add administrative details.
This Preliminary Information communication provides information to the technician on how to unlock radios that are Delco TheftLock.
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Technician will use the radio to get the scrambled code. Technician will need to contact the radio unlock center to retrieve the unlock code from the scrambled code. The PI update to version D is to advise the unlock procedure is temporarily unavailable.
This Preliminary Information communication provides information to the technician on how to unlock radios that are Delco Theft Lock.
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Technician will use the radio to get the scrambled code. Technician will need to contact the radio unlock center to retrieve the unlock code from the scrambled code.
This Preliminary Information communication provides information to the technician on how to unlock radios that are Delco TheftLock.
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Technician will use the radio to get the scrambled code. Technician will need to contact the radio unlock center to retrieve the unlock code from the scrambled code.
This Preliminary Information communication provides information to the technician on how to unlock radios that are Delco TheftLock.
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Technician will use the radio to get the scrambled code. Technician will need to contact the radio unlock center to retrieve the unlock code from the scrambled code.
Brakes
3 bulletinsSUBJECT REGARDING NECESSARY RESURFACING OF THE PARK BRAKE DRUM.
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*JG
ANTILOCK BRAKE (ABS) ACTIVATION AT LOW SPEEDS ON VARIOUS MODELS INCLUDING THE 1995 AND 1996 ENVOY.
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*TT
ANTILOCK BRAKE (ABS) ACTIVATION AT LOW SPEEDS.
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*TT
Lighting
2 bulletinsDRIVER INFORMATION CENTER (DIC) STAYS IN BULB CHECK.
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*TT
DAYTIME RUNNING LAMPS (DRLS) TURN OFF TEMPORARILY WHILE THE TURN SIGNALS ARE ACTIVATED.
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*TT
HVAC & Climate
1 bulletinHEAT COMING FROM VENTS WITH HVAC OFF.
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*TT
Tires & Wheels
1 bulletinSLIPS IN 4-WHEEL DRIVE, NOISE, VIBRATION, LEAKS, HOT ODOR.
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*TT