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Tires, Wheels, Brakes, Steering and Suspensions Discussion of preventative/corrective maintenance and other technical issues regarding your coach's Tires, Wheels, Brakes, Steering and Suspensions and related components.

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  #1  
Old 1 Week Ago
Big Al Big Al is offline
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Join Date: Nov 2016
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Default Valve Height Control ??????

While looking for air leaks with the suspension in the dump position.
I have a lot of air coming from this road side control valve above the drive tire.
I took apart the air lines and cleaned around the fittings
and It still leaking air.
When I try to tighten the fittings the air leaks stops and when I let go off the fitting it leaks again.
Am I making ant sense?
Can this valve leak air someplace else then the fittings?

The rear suspension goes flat within 5 mins after I park.
The control valve above the other tire seems fine.

Is this valve bad and need replacing or is it the fittings?

Thanks for your help.
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Old 1 Week Ago
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Randy Dupree Randy Dupree is offline
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Thats a Height control valve,HCV or leveling valve.
It makes the coach go up and down by putting air into ot out of the air bags.
The air gozinta,or gozouta with that valve (wink!)
The plastic line is where the air should come out when the coach is airing down (gozouta).

Where exactly is it leaking?
New ones are less than 50 bucks,
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  #3  
Old 1 Week Ago
Big Al Big Al is offline
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Quote:
Originally Posted by Randy Dupree View Post
Thats a Height control valve,HCV or leveling valve.
It makes the coach go up and down by putting air into ot out of the air bags.
The air gozinta,or gozouta with that valve (wink!)
The plastic line is where the air should come out when the coach is airing down (gozouta).

Where exactly is it leaking?
New ones are less than 50 bucks,
Randy,
When i sprayed it with soap & water I had bubbles where the air line went into
the valve. No air was coming out of the plastic line.
When I put a lot of force on it..........the valve body would move a little and the
air leaked stopped. It's like i was pinching closed the air leak.
When i put my hand up there seems like I feel air coming from someplace other then the air fittings from the body of the valve.
Thanks
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Old 1 Week Ago
Randy Dupree's Avatar
Randy Dupree Randy Dupree is offline
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I would replace it.
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  #5  
Old 1 Week Ago
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Bill Pape Bill Pape is offline
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Quote:
Originally Posted by Big Al View Post
Randy,
When i sprayed it with soap & water I had bubbles where the air line went into
the valve. No air was coming out of the plastic line.
When I put a lot of force on it..........the valve body would move a little and the
air leaked stopped. It's like i was pinching closed the air leak.
When i put my hand up there seems like I feel air coming from someplace other then the air fittings from the body of the valve.
Thanks
leaks out the rear of the body, buy three, two for the rear, one for front
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  #6  
Old 6 Days Ago
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atckip atckip is online now
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Are the same leveler part numbers used on all the wide bodies?
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birds_first birds_first is offline
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Quote:
Originally Posted by atckip View Post
Are the same leveler part numbers used on all the wide bodies?
Yelp and they are the same as the ones on your son's FC. Sort of like one size fits all, but they're not polyester.
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