Technical Service Bulletins (TSBs) for the 2005 H1 are official communications between Hummer & 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:FRONT:HUB

    • TSB #08-09-02

      Date Announced:
      JUN 01, 2008
      NHTSA ID:
      #10025501

      HALFSHAFT RETAINING BOLT WITH PRE-APPLIED THREAD LOCKER FOR ALL H1 MODELS AND MODEL YEARS. *PE Read More »