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  #1  
Old 05-24-2004, 03:05 PM
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Brake booster question?

Shouldn't the brake booster hold vacuum? I'm unable to get a reading with my mityvac. I have a vacuum leak whereby the engine is slow to shut down. Brakes seem harder to stop also, however I was wondering if that was just from the leak.

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Old 05-24-2004, 03:59 PM
Ibe300D
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Exactly how did you test your brake booster with the mityvac?
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Old 05-24-2004, 04:18 PM
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Make sure the valve on the brake booster is not broken, if it is, you will need to replace the entire brake booster valve/line. (They don't sell the valve alone) It is very easy to change and the part is around $20. Here is a picture of mines that was broken and leaking vacuum and also shows the new part. (See Step #4)

http://www.insidemiami.com/transmission/transmission.html

Thanks,
Adiel
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Old 05-24-2004, 05:09 PM
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"Make sure the valve on the brake booster is not broken, if it is, you will need to replace the entire brake booster valve/line. (They don't sell the valve alone) "

adiel

Are you talking about the check valve on the vacuum line into the booster? If so I have bought the check valve, not cheap, $20.00 or so.
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Old 05-24-2004, 05:20 PM
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I connected my mityvac directly to the vacuum pump line that connects to the main near the cruise control and only got 6" on the mityvac. I guess thats it for my vacuum pump. The brake booster is problably fine. Thanks for your post

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