1990 GMC Safari

6 Technical Service Bulletins (TSBs)

TSB List for the 1990 GMC Safari

Technical Service Bulletins (TSBs) for the 1990 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
  • ENGINE AND ENGINE COOLING:ENGINE:GASOLINE
  • POWER TRAIN
  • POWER TRAIN:AUTOMATIC TRANSMISSION
  • POWER TRAIN:AUTOMATIC TRANSMISSION:LEVER AND LINKAGE:COLUMN SHIFT
  • VISIBILITY

    • SERVICE BRAKES, HYDRAULIC:PEDALS AND LINKAGES

    • TSB #PIT-3665-A

      Date Announced:
      NOV 01, 2010
      NHTSA ID:
      #10028790

      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 »

    ENGINE AND ENGINE COOLING:ENGINE:GASOLINE

    • TSB #376105

      Date Announced:
      FEB 01, 1995
      NHTSA ID:
      #39304

      COLD ENGINE KNOCK. *TW Read More »

    POWER TRAIN

    • TSB #990730016A

      Date Announced:
      OCT 01, 2002
      NHTSA ID:
      #10007838

      DIAGNOSTIC INFORMATION FOR INTERMITTENT TRANSMISSION DOWNSHIFT, SLIP, BUSY/CYCLING TCC OR NOISY COOLING FAN. *TT Read More »

    POWER TRAIN:AUTOMATIC TRANSMISSION

    POWER TRAIN:AUTOMATIC TRANSMISSION:LEVER AND LINKAGE:COLUMN SHIFT

    • TSB #020730024A

      Date Announced:
      AUG 01, 2005
      NHTSA ID:
      #634999

      DIAGNOSIS OF CRACKED OR BROKEN TRANSMISSION CASE. *TT 2006 AND PRIOR CARS AND LIGHT DUTY TRUCKS. *TT Read More »

    VISIBILITY

    • TSB #01667

      Date Announced:
      JAN 01, 2004
      NHTSA ID:
      #10007244

      WINDOW REGULATOR MOTOR DOES NOT FIT. *TT Read More »

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