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If the rear brakes are drum brakes, then there could be a leaky wheel cylinder. The wetness inside the drum will cover all the brake shoes and parts and cause the wheel to lock up when applied. The build of pressure could be due to the wheel cylinder leaking and causing a pressure loss, but rising when the brakes are applied or pumped up. This may/may not be your case, but definitely worth checking the rears.
What else can I help you with?
Why do you have to pump the brakes in order to build up pressure?
When you pump the brakes, it helps to build up pressure in the brake system. This pressure is necessary to activate the brakes and slow down or stop the vehicle effectively.
Why do you have to pump the brakes in order to build pressure?
Pumping the brakes helps build pressure in the brake system by forcing air out and allowing the brake fluid to flow smoothly, ensuring effective braking.
If the machine air system on a dump truck does not build up to the required pressure what effect does this have on the braking system?
The brakes will remain on, air pressure is required to release the brakes
1997 f150 brakes wont build pressure no air in the lines?
Check your brake power booster
What should the fuel pressure be on a 1991 suburban and with the key on should it build pressure and then drop to zero.?
Fuel pressure should read no less then 9 LBS. and no more then 13 LBS. And yes it should hold the pressure with key on, engine off.
How do you bleed brakes on Honda motorbike?
same as a car, take the caliper off, and leave bleeder to the top, build pressure, hold, open bleeder, repeat.
What are all the causes for pressure to build up in the gas tank of a '92 Chevy pick-up?
We've changed the fuel pump, pressure regulator, gas cap, and had a tune up and the pressure is still building...What else can it be?
How do you test the hydraulic brakes for leaks?
To test hydraulic brakes for leaks, you can visually inspect the brake lines and connections for any signs of fluid leakage. Additionally, you can press the brake pedal while the engine is off to build pressure in the system, and then check for any drops in pressure over time, which could indicate a leak.
If your brakes fail pumping the brake pedal may build up enough pressure to restore your brakes enough to come to a stop?
If your brakes fail, repeatedly pumping the brake pedal can sometimes build up enough hydraulic pressure to restore limited braking function, allowing you to slow down and stop the vehicle. This technique may help if the issue is related to air in the brake lines or a temporary loss of pressure. However, it's important to also consider using the handbrake or downshifting to aid in stopping. Always seek professional help to address the underlying brake issue as soon as possible.
What causes fuel pump surging for first minute of operation on an 1988 Chevy V6 Celebrity?
The fuel pump surging at first could be caused by the fuel pressure bleeding off and the pump has to build the pressure up.
Why did Chevrolet go back to drum brakes on the Silverado from already have 4 wheel disc?
Drum brakes are cheaper to build.
Will a 1995 Chevy Malibu engine work in a 1999 Chevy Malibu?
Chevy did not build a Malibu in 1995.
