1994 GMC Suburban TSBs
19 Technical Service Bulletins across 7 categories
Brakes
7 bulletinsSOME VEHICLES EQUIPPED WITH VACUUM POWER BRAKE ASSIST AND EBC4 ABS BRAKE MODULES MAY COMMENT THAT THEIR VEHICLES EXHIBIT...
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POOR BRAKE SYSTEM PERFORMANCE, THIS MAY BE ATTRIBUTED TO BRAKE PEDAL FEEL. *SLC
SPECIAL POLICY BULLETIN REGARDING PRODUCT ENHANCEMENT BRAKE SYSTEM SUBJECTIVE FEEL / POOR BRAKE SYSTEM PERFORMANCE.
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*TT
THIS SPECIAL POLICY PRODUCT ENHANCEMENT COVERS VEHICLES EQUIPPED WITH VACUUM POWER BRAKE ASSIST AND EBC4 ABS BRAKE...
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MODULES EXHIBITNG POOR BRAKE SYSTEM PERFORMANCE / BRAKE SYSTEM SUBJECTIVE FEEL. *TT
BRAKE 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
Engine
3 bulletinsPRODUCT RECALL CAMPAIGN INVOLVING WINDSHIELD WIPER MOTOR REPLACEMENT.
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*TT
COLD ENGINE KNOCK. *TW
SPECIAL POLICY ADJUSTMENT - WINDSHIELD WIPER MOTOR FAILURES.
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*TT
Infotainment
3 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.
Transmission
2 bulletinsDIAGNOSIS OF CRACKED OR BROKEN TRANSMISSION CASE.
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*TT 2006 AND PRIOR CARS AND LIGHT DUTY TRUCKS. *TT
DIAGNOSTIC INFORMATION FOR INTERMITTENT TRANSMISSION DOWNSHIFT, SLIP, BUSY/CYCLING TCC OR NOISY COOLING FAN.
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*TT
Electrical
2 bulletinsExpanded Availability for Remanufacture and Return (R&R) Electronic Control Modules
WINDSHIELD WIPER FAILURE DUE TO CRACKED BOULDER JOINTS ON THE CONTROLLER CIRCUIT BOARD.
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THIS SPECIAL POLICY COVERS THE CONDITION FOR A PERIOD OF SEVEN YEARS OR 70,000 MILES, WHICHEVER OCCURS FIRST FROM THE DATE THE VEHICLE WAS ORIGINALLY PLACED IN SERVICE REGARDLESS OF OWNERSHIP OR FOR THESE VEHICLES CURRENTLY OUTSIDE OF THIS COVERAGE UNTIL FEBRUARY 29, 2004. *TT
Body & Paint
1 bulletinBROKEN REAR CARGO DOOR HINGE (INSTALL REPLACEMENT HINGE).
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*TW
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