1992 Cadillac DeVille "brake booster" Questions

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...brake booster is bad? Booster problems are rare but they do go bad sometimes. A bad booster generally causes the brake pedal to feel hard to push down, and a lot of pressure on the brake pedal is ...

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Question about Cadillac DeVille

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...hard & then goes back to normal? check the vaccum hose that connects to the brake booster under the hood, also check the sensor on the brake booster. it could also be abad brake booster ...

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Question about Cadillac DeVille

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brake vacuum booster, the booster is what make the pedal power brakes and easy to push, also take a look at the master cylinder for leaks at the rear of it as the fluid leaks out the rear it goes into

...booster brake it is what generates pressure to the brakes the vacume is produced by the engine not a pump if there is no vacume getting to the booster either the hos is disconnected (broken) or ...

...brake booster out got new one from junkyard. When I started test drive it was like the brakes were halfway applied. Before i got to the end of driveway it stopped by itself. When I cut car off, it ...

...Brake power booster replaced. Tech says shifter will not engage transmission. What did he miss? transmission was fine before booster replacement. Alot of cars nave a brake pedal Safety switch he ...

Question about Cadillac DeVille

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...feels spongy also when i pump it several times i can hear as if air is escaping any help appreciated also is this my booster or master cylinder that is going out yes this is a brake booster gone ...

...brake booster concern if the car is running ok we can rule out vacuum leaks so that leaves the check valve but with the car running even a check valve wont cause the concern therefore you need to ...

Question about Cadillac DeVille

1 Answer

brake pedal hard to depress brake booster maybe bad - to check pump brake pedal till hard then hold down and start if goes to floor then good vaccuum line maybe loose

Question about Cadillac DeVille

1 Answer

...relaced the vacuum pump,but no change.any ideas? Check the vacuum line that goes to the brake booster which is on the firewall behind the master cylinder. Good luck. Let me know if this helps

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