Skip the auto shop - Our mechanics make house calls

Q: Brake issue..

asked by on

After performing what was suggested I'm still having the same issue in not stopping. Now when I punch it (I'm guessing vacuum pressure build up) and then come to a stop the brakes are nice and tight and I stop on a dime, when I drive normal the brakes dont stop the truck on a dime.. I have changed the grommet that sits into the brake booster along with the vacuum hose that goes from the booster to the back of the block.. Could it be the crappy reman calipers? Thanks again for the help it's much appreciated... =)

My car has 128000 miles.
My car has an automatic transmission.

A: With the vehicle off, pump the brake pedal ...

With the vehicle off, pump the brake pedal until all of the assist has been diminished. This will empty the brake booster. Upon pumping, the pedal should become more and more stiff until it feels like you are almost stepping on a brick.

If the brake pedal is continuously spongy, there may be a leak in the system or moisture has come in through the fluid tank and contaminated the system.

If there are wheel cylinders in the back rather than brake calipers (drum brakes), the wheel cylinders are a common failure item.

Inspect the brake system for leaks and bleed the system completely with fresh brake fluid.

Was this answer helpful?

Need advice from certified mechanic? Get help now!

Over 1000 mechanics are ready to answer your question.
The statements expressed above are only for informational purposes and should be independently verified. Please see our terms of service for more details

Get an instant quote for your car

Our certified mechanics come to you ・Backed by 12-month, 12,000-mile guarantee・Fair and transparent pricing

Get a quote

What others are asking

Q: Maintenance Costs

The maintenence costs for the Porsche as opposed to the Audi would be entirely dependent on which type of oil and filter you use as well as the amount of oil that the Porsche engine requires. If the two engines...

Q: Power steering, leak, and groaning noise.

Hi, thanks for writing in. This is a sign of a failing power steering pump which is what the groaning sound and stiff steering will come from. It also sounds like you have a major leak coming from somewhere. If...

Q: transmission install problem

Hello. This issue can depend on what year the truck was that the transmission came out of. These trucks may have different electronics which will make a difference. It can also be from the fact that he did not change...

Related articles

How Long Does a Distributor O Ring Last?
The distributor is part of the ignition system in your vehicle and its purpose is to route high voltage from the ignition coil to the spark plug. The spark plug then...
P0052 OBD-II Trouble Code: HO2S Heater Control Circuit High (Bank 2 Sensor 1)
P0052 code definition HO2S Heater Control Circuit High (Bank 2 Sensor 1) What the P0052 code means This code is seen when the Engine Control Module (ECM) tries to control the...
P0240 OBD-II Trouble Code: Turbocharger Boost Sensor B Circuit Range/Performance
P0240 code definition Turbocharger Boost Sensor B Circuit Range/Performance What the P0240 code means P0240 is an OBD-II generic code triggered when the Engine Control Module (ECM) detects the intake boost...