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Air in your brake system.Bleed them and that should fix your problem. If you just put new pads in,you could have torn the rubber boot on the caliper piston. In that case you either need to rebuild you calipers or buy rebuilt ones.I just went through it myself end that's what happened to me.Either way though,your system needs to be bled of air.you can email me and I can advise you further if needed. scottthebrat@Yahoo.com
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∙ 14y ago
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Why a 1995 Toyota corolla brake pedal is soft when the engine is running?
Brake system has air in it.
Why would brake pedal go to floor after engine started?
Low fluid level or defective master cylinder.
Why a 1997 Toyota corolla brake pedal is soft when the engine is running and when the engine is off pedal is firm what could cause this?
Posible air in the brake line system. The behavior you described is normal operation. The brake cylinder is power assisted by engine vacuum. When the engine is off you don't have vacuum or the power assist. When the engine is started, the pedal will immediately soften up as the vacuum comes online.
When the car is off the brake pedal is hard to push but with the car on the pedal goes to the floor?
sounds like you have a leak in your Brake Boost Controler, you should also check to see if there is any leaks in the vacuum lines that connect the engine to the brake booster.
1978 corvette new brake system you have good pedal after bleeding system but pedal fades almost to floor when the car is running you tried bleeding the brakes while the engine was running and gravity?
I would suspect the Master Cylinder if defective. I had the same problem with my 1978. I replaced the combination valve and it solved the problem after bleeding.
How do you put an automatic Astra TS sedan into neutral when the engine is not running?
Most automatics require you to depress the brake pedal.
What are the symptoms of a defective master cylinder?
usually they will leak out the back by the booster, your brake pedal will slowly go to the floor at stops or the brake pedal will go right to the floor when pushed.
What causes brake pedal to go half way to the floor on a 1999 ford explorer?
Something is impairing the brake pedal to go to the floor. Only a mechanic can tell you what is happening.
On a 2002 1500 HD should the brake pedal go to the floor when the truck isn't running?
no! you have air in the brake system or there is no pressure for some reason. look for leaks. bleed the system.
How do you reset the oil change light on a 2011 grand caravan?
Key on, engine off. (if push button start, press button twice without touching brake) press gas pedal to the floor three times.Key on, engine off. (if push button start, press button twice without touching brake) press gas pedal to the floor three times.
Why does our 1997 k2500 have low brake pedal only when 350 motor is running?
Pedal pumps up fine, but when you run the engine, the brake booster applies more force to the lines. Thus compressing any air that may be in there. You will need to bleed the brakes more. I sometimes bleed the brakes with the engine running to correct this.
Can worn brake pads make your brake pedal to go to the floor?
no you have a brake fluid leak somewere
