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1998 gmc 1500 truck will not shift out of park with brake pedal pushed?
bad brake light switch
When you apply your brake you hear no air?
More info, please. Namely, are you talking about an air brake system? You should hear some air as you apply and release the brake, but you shouldn't hear a continuous air sound as the brake is applied - if so, you've probably got a compromised air line or a bad brake chamber.
Chevrolet 1978 truck c10 ..Why pedal brake so hard?
Either the power brake booster is bad, or it don't have any vacuum going to it. That is the part that the brake master cylinder is bolted to.
Why would the brake lights stop working on a 1992 gmc truck?
Brake light switch failure, bad ground wire at rear of vehicle or fuze blown.
Will the truck run bad if brake booster and master cylinder are going bad?
Yes. The engine will idle poorly when a vacuum power brake booster goes bad. It can be a source of a large vacuum leak. A bad master cylinder however would have no effect on the performance of the engine.
How do you know the master cylinder is bad on 92 Chevy truck?
When you hold pressure on the brake pedal at a stop light and the pedal slowly drops to the floor and the brake fluid reservoir still remains full, the master is bad.
Why does your brake make a whoosing noice when pressed it sounds like its looosing air?
The vacuum brake booster is going bad.
What do I do if there is an air pressure release when I apply the brake?
Assuming you're talking about an air brake system, if this is happening, then you have either a bad service chamber in at least one of your brake chambers, or a compromised supply air line. What to do should be obvious - get it fixed.
Why do you hear air when you push your brake pedal?
Assuming you're in an air brake equipped vehicle, it could be a number of reasons. Loose air line fittings, ruptured air lines, or bad gaskets in one or more brake chambers would be the primary culprits.
How to fix brake lights that stay on on a 1992 Chevy silverado truck?
Bad stop light switch? Located at the upper end of the brake pedal under dash area
Why would the brake pedal on a 91 suburban be soft and go the the floor dash brake light is on and the truck still stops?
It's probably low on brake fluid or possibly a bad master cylinder. Add brake fluid and see if the problem gets better. If it doesn't go away, have someone help you bleed the air bubbles from the brake line. If that doesn't help, you may need to replace the master cylinder.
When you release brakes you hear air?
If you're referring to an air brake system, you have a leak in a brake chamber... one of your emergency chambers has gone bad (if you hear it only when you depress the brake pedal, then it's a service chamber).
