1991 GMC Safari

9 Technical Service Bulletins (TSBs)

TSB List for the 1991 GMC Safari

Technical Service Bulletins (TSBs) for the 1991 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
  • ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL
  • POWER TRAIN
  • POWER TRAIN:AUTOMATIC TRANSMISSION
  • POWER TRAIN:AUTOMATIC TRANSMISSION:LEVER AND LINKAGE:COLUMN SHIFT
  • VISIBILITY
  • UNKNOWN OR OTHER

    • 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 »

    ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL

    • TSB #RCL/91C50

      Date Announced:
      FEB 01, 1995
      NHTSA ID:
      #38076

      CALIFORNIA RECALL - GENERAL MOTORS HAS DETERMINED THAT CERTAIN 1991 C/K TRUCKS, M/L AND G VANS WITH 4.3L ENGINES MAY BE EMITTING NON-METHANE HYDROCARBONS IN EXCESS OF CALIFORNIA EMISSION STANDARDS. Read More »

    • TSB #CAMP/91C50

      Date Announced:
      FEB 01, 1995
      NHTSA ID:
      #39270

      UNKNOWN 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 »

    UNKNOWN OR OTHER

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