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Five solenoid valve manifold
In the steering compartment we have this manifold that controls the suspension. Over the years, usually in cold weather, I have taken individuals apart to clean out debris so they would stop leaking, causing the aux compressor to run when parked. From this experience it seems that the wear items are the coil, the o-rings, and the spring. My question is: do you all rebuild the valve components and replace the coil, or buy the entire new assembly including the aluminum block? I just ordered the latter from Elgin for about four hundred dollars after tax. It was cheaper than buying five valve rebuild kits and five new coils.
I plan to carry the old one for spares after trying to find the o-rings locally.
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11 Replies
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I keep 2 coils & valves in stock for that reason. The center one (road position) seems to fail the most because it’s always on with the key and stays hot.
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What is that Elgin address? Might check into a manifold set.
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Like a lot of components the solenoid valve manifold that is the “command center” for the level low system occasionally requires service. Dan’s observation about what fails is correct in that O rings age and lose their effectiveness, and as Tom points out, the ride height coil (2nd or 3rd down depending on vintage) is on any time the coach is driven so it can be expected to fail before the others.
If you have never removed a solenoid valve from the manifold be aware there are two very small O rings at the base of the valve. Don’t lose or drop them, and when changing them, make sure the old ones aren’t still stuck to the manifold.
Elgin is 800-799-9938
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Thanks Jon for the number.
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Elgin Prevost Parts number I’ve been using is 1-800-621-5519, whatever works.
Yes Tom it’s the middle (road) one that is leaking, but others have depending on what the suspension is doing.
Has anyone had success just installing new o-rings on a leaker? Prevost sells the rebuild kits for about 40 dollars. If it’s just those little o-rings, c’mon man.
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Dan, at the second seminar one of the members had a leak associated with the solenoid valves in the manifold. Tom had new O rings and they were tried to no avail.
I haven’t checked the costs or availability of any of the components lately, but it is sure the manifold block and its connections if they are OK and not leaking don’t make sense to change. But replacing the entire valve, with new O rings makes sense. If the coils are OK they don’t make sense to change because they either work or not. Just retain spares of the correct voltage rating.
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Got the new solenoid manifold today from Prevost. It is Prevost part number 641205, $376.36. The Norgren part number is D0043EP5W2 and can be purchased at octopart.com for $232.52. Maybe someone else can save the 140 bucks (37%). It is 5 station 24VDC.
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And if my guess is correct, you will leave the old manifold in place rather than go through all the plumbing required and just use the new valves and coils.
That is why I try to get parts. Too much effort removing all the air lines from the manifofd and than getting it back together leak free. If air lines and their fittings aren’t leaking I don’t touch them. I have enough leaks without creating more.
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Yes Jon, I think too that would be the lower risk approach. Otherwise it would involve disturbing six plastic tubing connections that do not and never have leaked. And access is pretty limited.
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I checked on Norgren’s web site and the price for the five solenoid valve (part # D0043EP5W2) was $232.52. I have had very good results ordering from the factory, they are great at helping out with any problem you have with valve’s
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One thing that Prevost has done is to get Norgren to assign proprietary part numbers to some if not all the Norgren devices used on our coaches. To the best of my knowledge all the parts used on our coaches are standard, off the shelf Norgen products . On another thread I believe we accurately list the Norgren part numbers for the valves. It is a cost savings to order from Norgren or one of their distributors.
http://prevostcommunity.com/forum/threaddetails.asp?Category=Chassis&ThreadID=3836
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