brake problem
I'm a loyal jetta owner, driving my 3rd jetta. Having a problem with the brakes that the dealership can not identify. At time, the brake will "stick" and not depress to the floor and then the transmission will not shift. I have to pull over, put the car in park and press on the brake pedal until it will depress to the floor. Also, after freeway driving without using the brake for a while, the brake goes all the way to the floor and will not slow down the car. Is anyone experiencing these problems?
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RE: brake problem
?? year?? sounds like maybe a ABS problem.. ? or a vacuum booster issue
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RE: brake problem
the car is a 2002 diesel model
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RE: brake problem
booster?
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RE: brake problem
i have a 99 golf that had the same issue, abs was replaced by dealer back in 01.
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RE: brake problem
it could also be a problem with the vacuum pump, or a line from it, it would affect both the brakes and automatic transmission.
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RE: brake problem
Sounds like the push rod from the brake pedal to the
master cyl or booster is not adjusted correct, use your fingers and push on the pedal slightly and see if you have a small amout of free motion downward, about 1/16 inch up to 1/4 inch. If not see if you can adjust the rod so you will have a little play. If the rod doesn't have play it will not let the master cyl return to rest position. then the brake fluid will still be in the system instead of returning. This keeps the brakes on,as if your foot was still on the pedal. This inturn will make the brake pedal hard to push down and seem to stick in the high position. This will also cause the brake pads or shoes to get too hot, while driving and that will cause the pedal to go to the floor and not stop, after driving the interstate or any other distance. If the rod can't be adjusted under the dash, you may have to remove the brake booster and see if it can be adjusted from that side of the firewall. If the rod isn't adjustable at all, then could be some one installed a incorrect booster. Last of all the master cyl could be defective. The hard stuck pedal wont allow the electrical switches that control the gear shift lock to work, untill it will go down enough to activate them. A bad brake booster will cause a hard pedal, but usually will always have the same feel and not go down with the engine running, Turn off the engine and the pedal will work it's way down. The vacuum pump will give the same effect as a bad booster. To test the booster and pump.... turn off the engine, pump the brake pedal untill it gets hard to push and is high. with you foot still on the brake pedal , while holding this position, start the engine, if the booster and pump are working correct you will feel the pedal go down on it's own just a small amount. If it doesn't then look at those two items. |
RE: brake problem
Had the same problem... Replacing the vacuum booster would fixed it.
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