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Low fluid level or defective master cylinder.
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∙ 16y ago
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Why does my brake peddle on a 1992 jeep wrangler go to the floor when started up?
Very common, as long as the brake pedal comes back up after the engine is started its good. It takes a second for the brake booster to build up pressure.
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.
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.
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.
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.
Can worn brake pads make your brake pedal to go to the floor?
no you have a brake fluid leak somewere
1997f-350 brake pedal goes to floor?
ouch,are brakes adjusted correctly/ sit in vehical and pump pedal to get a full pedal,then hold pedal to see if it bleeds off and goes to floor,if it stays, replace shoes and pads if it goes to floor, there is a fluid leak somewhere is there brake fluid in the resevoir/ are there any brake fluid leaks ,check backside of wheels there is a brake fluid pump, on the chassis rail about level with the front of the front door on the left side.if this pump is bad your pedal will go to the floor
What is wrong when 2003 Pontiac sunfire started stalled started brake pedal was hard to push when trying to back up and stalled?
why is my brake pedal hard on 2003 sunfirer
Why does the parking brake pedal go to the floor on a 97 suburban?
probably have broken parking brake cable.
What does it mean when you depress brake pedal your lights go dim each time?
depress the brake pedal and turn the engine switch to the start posiiton and start the engine,,, Does this mean to hold the brake down until you hear the engine start.
What does a neutral switch do in cars?
it is attached to the transmission and allows the engine to be started when the gear lever is in 'park' or 'neutral', but prevents the engine from being started in 'reverse' or 'drive'. on some cars the driver must also put their foot on the brake pedal before the engine can be started.
