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Five Solenoid Control Manifold
The 5th one down or last one is leaking air.
What does this one control and how do I repair?
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7 Replies
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Those 5 solenoid valves control the leveling system.
It is likely the leak you hear is from one of the “O” rings on the bottom of the valve itself.
Remove the “c” ring and pull it from the valve stem. The valve itself is held in place with two screws, I think in your vintage torx head screws. Remove them and lift the valve body out.
Be vigilant because beneath the solenoid valve will be two small O rings. Make sure they come out and are not stuck to the manifold. It is likely you just need to replace them but you can buy the solenoid valve from Norgren. I think Prevost will try to sell you the entire manifold but that is a huge expense compared to just buying the needed O rings or valve body.
When you reassemble the valve to the manifold I insure the O rings stay in place by putting a tiny dab of grease on the bottom of the valve to keep them in position until I can tighten the screws.
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Thanks Jon and will give it a try.
Can I drive the coach with this leak?
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The valve Jon is describing is called an “armature”, pt# 54462-31 $36ea from IMI Norgren
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Chuck, the leak is not going to affect your use of the coach except to the extent you are going to lose accessory air when parked and the aux compressor will run more often. When driving the engine driven compressor has more than enough output to overcome the loss.
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Thank you again and to Don for the part #
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Got one fixed and here is another air leak in Water Bay.
The lower one of these with the RED buttons is leaking?
What’s this one and how do I fix?
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Those appear to be the valves that control the gray water by-pass and the dump valve on your coach.
I had one leak and found the manufacturer’s name on it, went on the internet and found a source of supply, bought it and replaced the leaky one.
I’m sure there are repair kits, but I don’t think the new valve was real expensive.
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