Reply With QuoteThere is a check valve for the power brake booster (I think it's part of the
fitting where the vacuum hose attaches to the booster) which is supposed to
keep the vacuum in (or should that be, out?) of the booster when the engine
vacuum decreases. It's probably broken.
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Robert Hancock Saskatoon, SK, Canada
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GM / General Motors: 1981 Skylark WOT No brakes?
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- 11-25 12:40 AM #1turismoGuest
1981 Skylark WOT No brakes?
hello fellow enthusiasts,
I have just inherited a 1981 buick skylark, with 33k miles on it, it was my
uncles and was garaged for the last 5 years,
recently i took it out for a test drive and noticed when i floor the gas, i
cannot push the brake pedal, its almost as if its stuck, but the second i
let go of the gas it returns to normal within 2-3 pumps
i was wondering if this is related to engine vaccum? or would it be a low
brake fluid situation? i didnt get a chance to take a peek of the fluid
level . anyone have any suggestions?
thanks
mike
- 11-25 01:08 AM #2RobertGuest
Re: 1981 Skylark WOT No brakes?
- 11-25 01:54 AM #3BoboGuest
Re: 1981 Skylark WOT No brakes?
I gotta be the first to ask ya....
why would you floor the gas, then slam on the brakes.....????? all without
releasing the gas pedal?????
you won't have any vacuum to run the brakes... It probably does have a back
vacuum check valve, but that's a helluva way to check.....
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- 11-27 08:11 PM #4JimGuest
Re: 1981 Skylark WOT No brakes?
I agree with the other guy - it's the check valve. A spider probably
made his home in there and now his body is jamming it open.
Jim
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