1993 GMC Sierra
5 Technical Service Bulletins (TSBs)
TSB List for the 1993 GMC Sierra
Technical Service Bulletins (TSBs) for the 1993 Sierra 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.
SUSPENSION:REAR
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TSB #01570
SPRING SLAP NOISE FROM THE REAR OF THE GMT 400 SERIES TRUCK. *MN Read More »
FUEL SYSTEM, GASOLINE:FUEL INJECTION SYSTEM
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TSB #04-06-04-051F
This service bulletin provides information for maintenance cleaning of the fuel injectors and gasoline detergent additive. 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 »
EQUIPMENT:MECHANICAL
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TSB #04-06-04-051F
This service bulletin provides information for maintenance cleaning of the fuel injectors and gasoline detergent additive. Read More »