1993 Cavalier vibrates when in drive with the brake held does a lot better in park and at road speed?

In: Car Shaking Problems, 1982-1994 Chevy Cavaliers [Edit categories]

IT sounds like you may have a power brake booster leaking vaccume. Need to check rubber line going from booster to intake manifold for leaks. also need to put car in park with engine running,then push brake down and see if it fills hard or here a hissing sound. If so then replace brake booster. You may also have a engine miss check wires,plugs cap.

First answer by Neutz. Last edit by Neutz. Contributor trust: 3 [recommend contributor]. Question popularity: 1 [recommend question]

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