1998 GMC Suburban TSBs
35 Technical Service Bulletins across 10 categories
Categories
Infotainment
6 bulletinsThis informational bulletin provides information for dealers/technicians on Procedures to Unlock Delco Radio with...
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Theftlock.
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. 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.
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.
Fuel System
5 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.
Transmission
4 bulletinsSOME 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
Engine
4 bulletinsINFORMATION REGARDING SECURITY LAMP ILLUMINATION ON THE INSTUMENT PANEL, ENGINE STALLS.
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*YH
INFORMATION REGARDING SECURITY LAMP ILLUMINATING ON THE INSTRUMENT PANEL, ENGINE STALL, NO START, AND DIAGNOSIC TROUBLE CODE B2960.
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*SLC
This preliminary informational bulletin provides information on High Oil Pressure on Startup After Engine Replacement...
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Concern.
FOUR WHEEL DRIVE INOPERATIVE AND THE 4WD SERVICE LIGHT WILL ILLUMINATE.
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DIAGNOSIS MAY REVEAL THAT THE ATC FUSE COULD BE OPEN, POSSIBLE DTC C0308, OR VARIOUS U CODES MAY BE SET. THE ENCODER MOTOR MAY ALSO BE SHORTED OR THE TCCM MAY BE DAMAGED. *TT
Brakes
4 bulletinsBRAKE LEAD/PULL AND FRONT BRAKE WEAR.
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*MJS
SOME CAB CHASSIS, CREW CAB, AND PICKUP MODELS MAY EXHIBIT A BRAKE LEAD / PULL AND FRONT BRAKE WEAR.
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*TT
VEHICLES LEADING OR PULLING TO EITHER SIDE WHILE APPLYING THE BRAKES, AND PREMATURE FRONT BRAKE WEAR, ESPECIALLY...
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VEHICLES THAT HAVE BEEN USED TO TOW A HEAVY LOAD. *YC
VEHICLE LEADING OR PULLING TO EITHER SIDE WHILE APPLYING THE BRAKES OR FRONT BRAKE WEAR NOT MEETING EXPECTATIONS.
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*YC
Electrical
4 bulletinsExpanded Availability for Remanufacture and Return (R&R) Electronic Control Modules
REPLACEMENT OF CONNECTOR WHEN REPLACING FUEL TANK MODULE/FUEL PUMP MODULE.
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*TT
REVISED STEERING WHEEL POSITION SENSOR OR STEERING SHAFT LOWER BEARING REPLACEMENT PROCEDURE AND STEERING WHEEL POSITION SENSOR CENTERING PROCEDURE.
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*EH
ELECTRIC OUTSIDE REARVIEW MIRROR SWITCH SHORT CIRCUIT.
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*TT
Body & Paint
1 bulletinLEFT FRONT AXLE SHAFT DIFFICULT TO REMOVE.
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AXLE DIFFERENTIAL LEAK SEAL SHAFT. *KB
Other
1 bulletin93-00 FULL SIZE UTILITIES (GMT 400 OLD STYLE ONLY) AC BLOWS WARM AND THE HIGH SIDE PRESSURE IS TOO HIGH.
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*MJ
Tires & Wheels
1 bulletinSLIPS IN 4-WHEEL DRIVE, NOISE, VIBRATION, LEAKS, HOT ODOR.
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*TT