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Old 01-28-2017, 06:33 PM   #1
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Air brake

This 08sig that I'm buying it has a air leak coming around the emergy brake knob how would I fix that
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Old 01-28-2017, 06:39 PM   #2
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Change the valve...a common and not expensive part. You will need to remove the valve to R&R it anyway. Bye the way, that is the parking brake and is not intended for emergency situations..MHO
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Old 01-28-2017, 06:43 PM   #3
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Probably best to just change it out. O-rings are likely dried out and leaking. Pretty normal. Could be just something under a seat, but if it has been there long, it will have made a permanent mark, and will continue to leak after cleaning.
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Old 01-28-2017, 09:41 PM   #4
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Ken- Agree that the valve should be replaced. Loss of air pressure while driving. if air pressure drops below about 35 psi, that valve will release and the spring brakes will apply the brakes on the rear wheels. You cannot release the brakes until the pressure builds back up. If you pull the knob while moving it will apply the spring Brakes.

A good AirBrake Manual is available here:http://www.mpi.mb.ca/en/PDFs/AirBrakeManual.pdf

And- Welcome to IRV2
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Old 01-28-2017, 10:00 PM   #5
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Quote:
Originally Posted by Rambeau View Post
Change the valve...a common and not expensive part. You will need to remove the valve to R&R it anyway. Bye the way, that is the parking brake and is not intended for emergency situations..MHO
It most certainly is a emergency brake !
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Old 01-29-2017, 07:26 AM   #6
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Replace it. They are not expensive in the RV world of things.
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Old 01-29-2017, 10:56 AM   #7
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Cost

I hope I haven't of to much for the sig. $210000
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