1998 GMC Jimmy "air leak sound apply brakes" Questions

...leak always causes a high idle,but not so.Another thing is make sure there is no restriction in the exhaust system.Is there a rattle sound?a plugged cat converter will do strange things. basically, ...

...air in the system or a bad Master cylinder. Bleed the brakes first before you replace the master and do the pressure test again. If you don't find anything at this point, start the engine and do the ...

...sound when i apply my brakes,like i am loosing air,and then i loose almost all of my brakes,the loosing air sounds the whole time i apply the brakes. It's the brake booster leaking. I would suggest ...

...air leak sound. What is the cause? When I tap softly a couple of times the air leak sound will most usually go away. The brake servo or booster is divided into two chambers separated by a flexible ...

...vacuum leak. When I apply brake pedal there is a hissing air sound from under dash. I bled the brakes which had a lot of air in system and making stopping hard. sounds maybe booster is diaphram is ...

...leak. Sounds like you have air in one or more brake lines. All four brake lines needs to be bled to get all air no matter how little air is in them. Recommendations use two people to do this one in ...

...by assisting the push when you apply your brake. There is a rupture in the diaphragm allowing the vacuum to leak air in when you apply the brake pedal. The only solution to this is to replace

...my engine stalls.but when at park idling seems fine.changed spark plugs ang adjust timing. This sounds like a vacuum leak. or mass air flow sensor you have a vacum leak or your brake booster is ...

air leaking sound when applying brakes Power brake booster leaking vacuum.If brake pedal becomes very hard to push then replace brake booster.

Air leak sound around the brake pedal. Once I start our 2000 Jeep GC Laredo there is a hissing sound (air/vacuum leak) down near the brake pedal. I have looked around but can't see any obvious point ...