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Old 08-03-2014, 10:07 PM   #6
Oldriginal86
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Join Date: Apr 2013
Location: Pasadena, Maryland
Posts: 160
Re: hard front end shake and pulls right 1980 c20

Check the free-play in the brake pedal. Be sure there is a small amount of pedal movement before the pushrod makes contact with the piston in the M/C. The proportioning valve should only limit pressure in the circuit, not hold pressure.
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