1999 holiday rambler 40' class A. At the top of my steps to get into the motorhome there is a slide out that seals the top of steps so the passenger has a place to put there feet while driving. It slides out just fine, but when pushing the button to retract it it doesn't move. Also at that time there is an air leak coming from the front end. I pulled out the generator slide and found the source of the air leak. I was thinking it was a broken air line or something. Off to the side in the front by the generator there is a small little junction box that has 3 ports with 3 air lines going to it, and one open port with nothing. When you go to retract the step slide there is a lot of air coming out of the open port. The air leaking last for about 30 mins or so ... then you can push the slide in and it will stay open.
Couldn't find valve locally, so I figured I would try to clean out one more time. First time I used Wd-40 and it would work at low pressure, but stopped at higher pressure. Took apart again and used some trans fluid (as someone mentioned) and took the c clip off top, cover and spring. Filled all area with trans fluid and reassembled. And it works ...... Put on this morning and tried it several times through out the day. We shall see ....... Thanks for your help.
So ...... Took it off and cleaned in up with Wd -40. Took cover off and cleaned inside and the reinstalled it. I noticed it worked fine at low air pressure..... But when the motorhome pumped up to correct pressure it didn't work again. Guess it needs replaced.?
That is a solenoid that is leaking. About $30 from Northwest RV Supply in Eugene Oregon. If you need a part number, I'll look it up.....easy to replace. To remove the air lines, push inward on the small ring right at the solenoid while pulling outward on the air line. The other solenoid there is for your air horns.....Dennis
P.S. It's called a step cover....D
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Plug the open port and see what happens. Also can you see the retract air motor? Might be the one open port is where the air line to the motor is suppose to be.
