GMC:B6:1990 Recalls http://auto-recalls.justia.com GMC:B6:1990 Recalls 1990 GMC B6 - VEHICLE SPEED CONTROL http://auto-recalls.justia.com/content/92V187000-GMC-B6-1990.html A MANUFACTURING CONDITION IN THE THROTTLE BODY INJECTOR (TBI) UNIT MIGHT OCCUR TO ALLOW THE THROTTLE CAM LEVER TO DISENGAGE FROM THE THROTTLE DRIVE SHAFT. Wed, 30 Dec 1992 00:00:01 EST 1990 GMC B6 - PARKING BRAKE:DRIVELINE http://auto-recalls.justia.com/content/91V032000-GMC-B6-1990.html THE PARKING BRAKE DRUM ATTACHMENT BOLTS MAY LOOSEN AND CAUSE A DRIVELINE LOCKUP CONDITION WHEN THE BUS IS STOPPED OR ALMOST STOPPED. Thu, 28 Feb 1991 00:00:01 EST