Vehicle speed control

Vehicles in this recall

Notes

GMC campaign no 71-c-6.medium duty trucks and school buses w ith 305C or 351cv-6 gasoline engine.carburetor throttle sha ft may be excessively worn andcould break.this would allowthrottle valves to remain in open positionrendering accelerat or ineffective and making vehicle difficult to stop.(correctby installing new throttle body assembly.)