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Parking Brake valve source?


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I looked at the latest parts list and did not see any entries for a parking brake release valve.  Ours is leaking and will diapate all the air in about 8 hours. This is not surprising because we have over a 112,000 miles on the coach. Wonder if anyone knows a good part number for this valve. I guess when we get to Lazydays I will remove it and see if I can purchase one.

 

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12 hours ago, daveyjo said:

Are you sure it is the valve?  My coach leaks down in probably less than 8 hours.  I have replaced a lot of air fittings in the past due to air leaks.  (Have replaced the valve, too.)

 

Thanks for the replies guys.

Dave, since I can sit in the drivers seat and hear it leak air and then move it around to slow the leak to the point I can't hear it I think it is a bad valve. I have over 100,000 miles in the seat of this coach and that valve has been cycled quite a few times. See you at the Gathering.

 

Edited by Bob Nodine
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Bob,

When I changed out my park break sensor I had a small leak until I got it tight enough and it quit.  Like mine, yours may just need some tightening due to vibrations. 

https://shop.findmyrvparts.com/monaco-rv-pressure-switch-park-brake-SM1C66RWP28-p/190050.htm

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22 hours ago, Steven P said:

Bob,

When I changed out my park break sensor I had a small leak until I got it tight enough and it quit.  Like mine, yours may just need some tightening due to vibrations. 

https://shop.findmyrvparts.com/monaco-rv-pressure-switch-park-brake-SM1C66RWP28-p/190050.htm

Steve,

Its not the pressure switch leaking but the valve that the pressure switch is attached to.

 

13 hours ago, rpasetto said:

If it's the "Haldex KN20031" it's available here:  https://www.finditparts.com/products/368639/haldex-kn20031

Thanks Rick. I plan to pull the valve when we get to the Gathering and should be able to tell what it is.

See you there.

Thanks

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  • 2 months later...

Mine was doing the same thing on our trip from picking up our motorhome when it was new. Removed it and took it to our local Peterbilt dealer. They did not have one that was as cheap as the Monaco part but had an exact fit of much better quality. I am sure any truck parts p;ace could replace that valve.

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