1996 Chevy Blazer Brake pedal does not return

1996 CHEVROLET BLAZER
175,000 MILES • 6 CYL • 2WD • AUTOMATIC
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JAMESL
  • MEMBER
  • 3 POSTS
After hard braking the brake pedal does not return to the top. After a few seconds it returns. I replaced the master cylinder and still not fixed. The power booster was replaced about 3 months ago and all the brakes (front and rear) have been replaced within in the past 6 months, i.e. pads rotors, shoes, drums and wheel cylinders. Most parts are from Napa, but the booster is from Autozone.
Any help would be greatly appreiciated
Oct 18, 2008 at 11:19 AM
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MERLIN2021
  • ✓Experienced Mechanic
  • 17,250 POSTS
Have you looked at the stop light switch at the pedal? May be sticking, and need replacing.
Mar 19, 2021 at 5:05 AM
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JAMESL
  • MEMBER
  • 3 POSTS
It turned out to be a bad check valve on the new power booster.
I purchased the part at Autozone because of availability and they stood up to their warranty with a no hassle exchange.
Thanks for yout help
Mar 19, 2021 at 5:05 AM
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MERLIN2021
  • ✓Experienced Mechanic
  • 17,250 POSTS
So it was a freebie? Good deal.
Mar 19, 2021 at 5:05 AM
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JAMESL
  • MEMBER
  • 3 POSTS
Well, not much of a freebie as I replaced the master cylindar first without checking out the power booster. I shouldnt of replaced the master cylindar...Oh well, I guees I have a new part.

Thanks for your help
James
Mar 19, 2021 at 5:05 AM
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MERLIN2021
  • ✓Experienced Mechanic
  • 17,250 POSTS
I don't know Jim, but it wasnt that long ago that the booster came WITH the master....for GM's anyway!
Mar 19, 2021 at 5:05 AM
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