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1989 GMC Safari
4 Technical Service Bulletins (TSBs)
TSB List for the 1989 GMC Safari
Technical Service Bulletins (TSBs) for the 1989 Safari 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:PEDALS AND LINKAGES
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TSB #PIT-3665-A
GENERAL MOTORS: ON ALL 1988-2009 FULL SIZE CHEVROLET/GMC PICKUPS, UTILITIES AND VANS, THE BRAKE PEDAL WILL MOVE DOWN OR SELF APPLY DURING FULL LOCK TURNS OR NEAR FULL LOCK TURNS. CHEVROLET ASTRO AND GMC SAFARI VANS; HUMMER 2 ARE INCLUDED. 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
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TSB #467108
TRANSMISSION EXTENTION SEAL LEAKS. *TW Read More »
VISIBILITY
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TSB #01667
WINDOW REGULATOR MOTOR DOES NOT FIT. *TT Read More »