The 1947 - Present Chevrolet & GMC Truck Message Board Network - View Single Post - hard front end shake and pulls right 1980 c20

Oldriginal86 · 08-03-2014, 10:07 PM

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.

08-03-2014, 10:07 PM	#6
Oldriginal86 Registered User 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.