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Old 08-14-2007, 03:12 AM   #15
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Join Date: Sep 2002
Posts: 398
HWH was quick to supply free springs for my left rear jack, but I never got a chance to install them. When I went to work on the installation, I could not get the left side front jack to retract. The right side came up OK.

However, I thought I might try recycling all four but the right side then refused to extend. There was a louder than normal mechanical noise coming from the hydraulic system under the hood.

There is plenty of oil in the reservoir.

Pressing the store button didn't do anything for the left jacks and they remained extended. The store light would come on, blink for 4-5 minutes and then turn off.

After loosening the nuts on the solenoids the left side jacks came up ok, but the left rear continues to show about 1" of exposed cylinder. It will not fully retract, so I suspect a loose O-ring is blocking it.

A final attempt to extend all jacks failed.

The warranty on the jacks expired in March!

Fortunately, my dealer tells me that my extended warranty covers everything. The dealer suspects a shuttle valve or possibly circuit board problem.

In addition to all this, the push-button panel cover in the coach appears to be thinning at the power and store buttons. I suspect it won't be long before the buttons puncture the cover.

Based on what I've read here, and elsewhere, this particular model HWH jack system has not had a particularly satisfactory service life.

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