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Anyone have an old C clip from a dryer rebuild on purge valve? Mine went wingen off into outer space. So far can not find one that fits. Thanks in advance.

Well just a follow up. Went back up to recover my 931A2. Turns out the purge valve on dryer was hung open due to chunks of foreign matter. I changed out the whole dryer from another truck, and it made air perfectly. Once home, I pulled the dryer apart to find it was a new unit installed in 09...

Very interesting. I plan on heading back up on Tuesday to troubleshoot. I ordered a new dryer filter kit, PPV, QR-2, and governor. I hope that those parts fix it. I now have had a week to study the TM's. I made copies of all the trouble shooting pages and the diagrams. I just need some good...

I sure hope that is what it is. Does anyone know a procedure for listening or feeling around the air compressor to see if it is leaking? I know the TM. calls for a procedure to feel the exit psi line for heat, and check for psi to Governor and what not. I went on line and found a haldex...

Guys, thanks for the fast response. I do have an extra air dryer kit. I was going to bring it just in case. I do remember hearing air leaking out of the dryer. I dont remember it venting like my other truck, and spitting H2O out. When we started the truck it was over psi'ing due to PPV. once...

Ok I need to reach out to you all. I have searched for hours and have looked through the TM. I have not been able to find a specific answer. Last week I recovered a 931. It ran great and was an hour into trip when primary tank lost psi. it came back up a few times then went to zero. I knew i...