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When this happened i pumped the brakes and this helped, the garage said they could not find anything wrong it was an air lock. This was scary so i don't want it to happen again. Is it an air lock or something else?

2007-02-05 06:38:26 · 7 answers · asked by tinxtaz 1 in Cars & Transportation Maintenance & Repairs

The car is an astra, old one K reg the day before this happened the car when for a service and they said the brakes were good

2007-02-05 07:37:36 · update #1

The brakes have been really good until this. Miles 66,654. The brakes were done just under two years ago.

2007-02-05 07:45:08 · update #2

7 answers

Most cars in the USA have rear drum brakes. These are often adjusted whenever you pull the handbrake. If you don't use the handbrake, they can become so far out of adjustment that the master cylinder cannot push enough fluid to make the brake shoes contact the drums, although multiple pushes (pumping the brakes) will eventually make them work. This can also happen if the rear brake shoes are worn down too much. Air in the lines, or master cylinder problems can also cause brake failure.

Take the car to another garage. You cannot afford to take a chance with brake problems.

2007-02-05 06:58:14 · answer #1 · answered by Me 6 · 0 0

When a brake pedal goes to the floor, and your expecting the car to stop, it can be a real rush. Your shop sounds like Dewy, Cheatem and Howe. If you took your vehicle into the shop and they bled the brakes and shipped you, of course it is fine now. What do you do when you bleed brakes...pump, pump, and pump. if you drive the car for a period of time and then step on the brake, and the pedal goes to the floor, it very well could be time for a brake master.
You didn't specify the miles, make, model and year, so, this is the best I can do with the info you have provided.
Take it to a shop that will actually diagnose the problem!

2007-02-05 06:48:05 · answer #2 · answered by scott s 2 · 0 0

I have had this happen to me and a lot off the time it would be intermittent. I found that it is normaly a sure sign that the master cylinder is failing. One good test is to press hard on the brake pedal while stopped for several seconds. If the brake pedal starts to go down and there are no signs of brake fluid leakage it will be a bad master cylinder. Rebuilt master cylinders are not very expensive and are fairly easy to change.

2007-02-05 08:28:42 · answer #3 · answered by fixitall 3 · 0 0

Sounds like you might have a shorted O2 sensor in the heated part of the sensor. O2 sensors have a heater built inside them to help heat them up during start up. And heater part is fused. If one shorted out it could blow a fuse. Or a burnt fusible link or maxi-fuse that supplies voltage to all of these systems. But sounds like you have a short or grounded wire some place. And a good independent shop will be cheaper than taking it to a dealer.

2016-05-24 18:53:48 · answer #4 · answered by ? 4 · 0 0

What year and make is it. You may only need a brake pedal adjustment .

2007-02-05 06:51:07 · answer #5 · answered by ? 7 · 0 0

year make model and if ABS would help.
has any work been done on brakes recently?
how have brakes been since then?
I check questions I answer so add more info and I'll add more answer.

2007-02-05 06:53:45 · answer #6 · answered by Sundew 4 · 0 0

You're out of brake fluid.

Or, your master cylinder plunger seals are blown.

2007-02-05 06:41:52 · answer #7 · answered by Mr. KnowItAll 7 · 0 0

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