10 Zephyr, Jack keeps going up slowly....

[roboniko]

My warranty just expired 3 weeks ago and now my D/S rear jack keeps raising slowly. So far about 6 inches in the last 24 hours. Can't figure out why. Did the auto level and even manual level, everything works fine, but within a fews hours the jack starts to go up, about 2 inches every 6 hours or so. No leakage anywhere that I can see, everything looks ok. I can fully retract to store position and re-level, just does not stay. Could this be an easy fix or something more serious? Any help would be greatly appreciated. I will call Tiffin on Monday for advice and maybe ask them if they authorize warranty service from dealer but I don't know if they will.

Thanks in advance.

[paz]

FWIW, I think the HWH warranty covers parts and labor for 2 years and parts only for the third year.

It sounds like an internal leak - either the O-rings on the solenoid of the offending jack or possibly a bad check valve. I don't think replacing the O-rings on the solenoid is a big deal, but I don't know about the check valve. On our jacks, the repair manual says the entire manifold block may have to be replaced if it's a bad check valve.