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1993 GMC Suburban
13 Technical Service Bulletins (TSBs)
TSB List for the 1993 GMC Suburban
Technical Service Bulletins (TSBs) for the 1993 Suburban are official communications between GMC & their dealerships that describe processes for troubleshooting or fixing certain common problems. All vehicle manufacturers are required by U.S. law to make their TSBs available to the public.
SERVICE BRAKES, HYDRAULIC
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TSB #98865020A
VEHICLES LEADING OR PULLING TO EITHER SIDE WHILE APPLYING THE BRAKES, AND PREMATURE FRONT BRAKE WEAR, ESPECIALLY VEHICLES THAT HAVE BEEN USED TO TOW A HEAVY LOAD. *YC Read More »
SERVICE BRAKES, HYDRAULIC:POWER ASSIST
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TSB #01005
SOME VEHICLES EQUIPPED WITH VACUUM POWER BRAKE ASSIST AND EBC4 ABS BRAKE MODULES MAY COMMENT THAT THEIR VEHICLES EXHIBIT POOR BRAKE SYSTEM PERFORMANCE, THIS MAY BE ATTRIBUTED TO BRAKE PEDAL FEEL. Read More »
SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS
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TSB #990524001A
BRAKE LEAD/PULL AND FRONT BRAKE WEAR. *MJS Read More »
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TSB #990524001
SOME CAB CHASSIS, CREW CAB, AND PICKUP MODELS MAY EXHIBIT A BRAKE LEAD / PULL AND FRONT BRAKE WEAR. *TT Read More »
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TSB #98865020
VEHICLE LEADING OR PULLING TO EITHER SIDE WHILE APPLYING THE BRAKES OR FRONT BRAKE WEAR NOT MEETING EXPECTATIONS. *YC Read More »
SERVICE BRAKES, HYDRAULIC:ANTILOCK/TRACTION CONTROL/ELECTRONIC LIMITED SLIP
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TSB #01125
SPECIAL POLICY BULLETIN REGARDING PRODUCT ENHANCEMENT BRAKE SYSTEM SUBJECTIVE FEEL / POOR BRAKE SYSTEM PERFORMANCE. *TT Read More »
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TSB #01005
THIS SPECIAL POLICY PRODUCT ENHANCEMENT COVERS VEHICLES EQUIPPED WITH VACUUM POWER BRAKE ASSIST AND EBC4 ABS BRAKE MODULES EXHIBITNG POOR BRAKE SYSTEM PERFORMANCE / BRAKE SYSTEM SUBJECTIVE FEEL. Read More »
ENGINE AND ENGINE COOLING:ENGINE:GASOLINE
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TSB #376105
COLD ENGINE KNOCK. *TW Read More »
ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:MANIFOLD/HEADER/MUFFLER/TAIL PIPE
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TSB #376602A
NEW CAST IRON EXHAUST MANIFOLD AND STAINLESS STEEL GASKET TO CORRECT ENGINE NOISE CONDITION. *TW Read More »
POWER TRAIN
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TSB #990730016A
DIAGNOSTIC INFORMATION FOR INTERMITTENT TRANSMISSION DOWNSHIFT, SLIP, BUSY/CYCLING TCC OR NOISY COOLING FAN. *TT Read More »
POWER TRAIN:AUTOMATIC TRANSMISSION:LEVER AND LINKAGE:COLUMN SHIFT
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TSB #020730024A
DIAGNOSIS OF CRACKED OR BROKEN TRANSMISSION CASE. *TT 2006 AND PRIOR CARS AND LIGHT DUTY TRUCKS. *TT Read More »
STRUCTURE:BODY:DOOR:HINGE AND ATTACHMENTS
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TSB #761510
BROKEN REAR CARGO DOOR HINGE (INSTALL REPLACEMENT HINGE). *TW Read More »
EQUIPMENT:APPLIANCE:AIR CONDITIONER
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TSB #3005
93-00 FULL SIZE UTILITIES (GMT 400 OLD STYLE ONLY) AC BLOWS WARM AND THE HIGH SIDE PRESSURE IS TOO HIGH. *MJ Read More »