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Vacuum pump to check brake booster?

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Old

06-30-2002, 07:31 AM

#1

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Car: 1982 Z-28

Engine: 383

Transmission: Turbo 350

Axle/Gears: Det. Posi, Superior Axles, 3:73 G

Vacuum pump to check brake booster?

I was wondering if I can use a handheld vacuum pump to check if my brake booster is bad. If so, what is the usual vacuum reading as you pump, ie. max vacuum it'll hold. I did a "trial" run with it and got around 11 inches of vacuum, after many squeezes, and that was max. Any help or suggestions would be great, thanks.

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06-30-2002, 04:32 PM

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It should be able to go to at least 20" Hg. If your handheld pump is still good, the booster might be AFU.

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06-30-2002, 07:05 PM

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Car: 1982 Z-28

Engine: 383

Transmission: Turbo 350

Axle/Gears: Det. Posi, Superior Axles, 3:73 G

Thanks Vader, the handheld pump is brand new.

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