Brake problem

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Philip Trenholme - 18 May 2006 00:52 GMT

Brake pedal sinks partially when applied going down a hill at slow
speed. A pump or two will bring it back up. This has been going on for
a few weeks. No noticible loss of fluid in brake reservoir. Could a
faulty booster cause this?

Car is 94 Accord wagon w/ABS brakes.

Phil

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AZ Nomad - 18 May 2006 01:22 GMT

>Brake pedal sinks partially when applied going down a hill at slow
>speed. A pump or two will bring it back up. This has been going on for
>a few weeks. No noticible loss of fluid in brake reservoir. Could a
>faulty booster cause this?

>Car is 94 Accord wagon w/ABS brakes.

you have air in the line

take it to a qualified mechanic to bleed the system.
Or read a book.

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TeGGeR® - 18 May 2006 02:53 GMT

> Brake pedal sinks partially when applied going down a hill at slow
> speed. A pump or two will bring it back up. This has been going on for
> a few weeks. No noticible loss of fluid in brake reservoir. Could a
> faulty booster cause this?

A faulty booster will cause a hard pedal. See AZ Nomad's post.

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TeGGeR®

The Unofficial Honda/Acura FAQ
www.tegger.com/hondafaq/

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jim beam - 18 May 2006 04:57 GMT

> Brake pedal sinks partially when applied going down a hill at slow
> speed. A pump or two will bring it back up. This has been going on for
[quoted text clipped - 4 lines]
>
> Phil

bad master cylinder. if the seal is worn, at low pressure, fluid can
leak around the seal. at high pressure or when pumped, it temporarily
seals and feels hard again. replace seals or cylinder, depending on
parts availability for that model. booster either works or not. if
not, the brake is so hard, you'll think you're going to break the pedal
off trying to stop the car.

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