While driving the front end of the vehicle vibrates off and on. It does this at on 2002 Mercury Grand Marquis

different speed, sometime hard, some mild.

by in Potwin, KS on April 06, 2013
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2 answers
ANSWER by , April 07, 2013
rotate your tires
ANSWER by , April 07, 2013
Tire balance(or replace if worn to much) , and check front shocks for leaking/failed performance.