Most do, its just a slight change in the vacuum pressure when the engine is idling, brakes use vacuum pressure and hydraulics to operate
2007-11-15 12:28:18
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answer #1
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answered by Anonymous
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It relies upon what replaced into finished whilst the traces have been replaced. As suggested there could be air left in the equipment in spite of the reality that that usually leads to a 'spongy' pedal in any respect situations. If the brake fluid is previous (over 2 or 3 years previous) it is going to pay to alter it thoroughly as previous fluid absorbs moisture from the ambience and finally interferes with the action of the brakes. In changing the fluid thoroughly you would be sure each and every of the air has long previous. in case you nevertheless have the end result you describe you will would desire to verify out the grasp cylinder and/or the servo and that's hoses. while you're DIY then acquire a 'one guy' bleeding equipment. they are much less high priced from Halfords/Screwfix and make the interest somewhat cake.
2016-12-16 10:04:40
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answer #2
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answered by Anonymous
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For this car, I would have to say the brake master cylinder is failing. You can try bleeding the system, but if the pedal sinks down to the floor level after few seconds, then you have more than just little air in the brake line. (or system could be leaking)
For safety, I would place the gear in park and pull up the parking brake for each stop. I would see the mechanic ASAP.
2007-11-18 11:36:29
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answer #3
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answered by Sang K 4
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your master cylinder is probably shot. had the same problem a few times over the years. if you can pump the pedal and get brakes again you'll know for sure. it may be leaking internally, so you won't see any brake fluid leaking. it's no big deal, you did'nt do anything to cause it, it just wore out. FIX ASAP!
2007-11-15 12:29:38
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answer #4
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answered by Sandy V 3
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As a parts specialist & having the same problem a few days ago... it sounds like your going to need a new brake master cylinder. If the clutch starts doing this too, you will need a new clutch master cylinder and slave cylinder.
2007-11-15 14:05:06
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answer #5
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answered by Anonymous
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The Master Cylinder is shot. Get to a mechanic.
2007-11-15 12:30:30
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answer #6
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answered by Irish 7
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Brake master cylinder is leaking internally.Pedal will sink to floor when holding for long,when pump up,will be good then sink again.
2007-11-15 12:54:13
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answer #7
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answered by CarmaNguyen 7
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Mine does that to and I never thought there was a problem before, but now im worried lol.
Ive noticed mine does that when I have the break on and the fans running under the hood (whatever you call it)
and when the fan goes off thats when I notice the break sink down.
2007-11-16 11:35:35
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answer #8
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answered by Anonymous
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sounds like its a problem with your master brake cylinder
2007-11-15 12:28:12
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answer #9
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answered by Anonymous
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It does sound like air in the lines, but it wouldn't just magically get in there. More likely you have a leak. Either way it's dangerous so you should fix it (or have it fixed).
2007-11-15 12:30:38
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answer #10
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answered by Anonymous
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