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1975 Chevy Corvette Hard Brakes

Tiny
JERRY4914
  • MEMBER
  • 1975 CHEVROLET CORVETTE
  • V8
  • 2WD
  • AUTOMATIC
  • 65,000 MILES
1975 corvette 4 w/disc. Brakes are very very hard, new booster checks good- 20 in. Vacum, new master cylinder checks good, new pads, calipers. Rotors ` it definetely is not the booster! All air bleed out. Any suggestions as I am stumped. Jerry
Monday, December 10th, 2007 AT 6:23 PM

1 Reply

Tiny
MHPAUTOS
  • MECHANIC
  • 31,937 POSTS
Hi there,

I would re check the booster. Turn off engine and pump brakes to evacuate all vacuum. Hold pressure on pedal and start up engine, If booster is working, Pedal will suck down a little. Check that booster check valve is working and the booster is getting full vacuum. Check if applicable pedal free play adjustment try this first

Mark (mhpautos)
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Tuesday, December 11th, 2007 AT 3:06 AM

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