Dashboard AC compressor shorted out

[dog_house_Jim]

Is I am unsure where to post this request for assistance, I'll post it here and I'm sure it'll be moved to the appropriate forum.

This is our first motor home, we have a Fleetwood Bounder 39Z, with an ISP 5.9 275 hp DP. I am trying to decide the appropriate repair facility to take the RV to to have the – air-conditioning repaired.

We are new to RVing and have quickly learned there appears to be a division between coach repair, chassis repair, and engine repair. I have already learned that a coach facility is not the correct place. Therefore, do I take it to a Freightliner oasis facility, or to a Cumming repair facility to have the engine driven compressor worked on.

In a perfect world the same facility would be able to do my annual mechanical inspections and replacements. I would also like the Allison transmission which is in four-speed T handle transmission looked at as it does not downshift on its own climbing through the mountains.

[MrWizard]

I'm not an an a/c tech
But what you describe, sounds to me, like the electric clutch that engages the compressor pulley has burned out

Freight liner can certainly replace this, but so can any capable automotive a/c tech
Possibly even a mobile diesel repair service, if not the mobile mechanic will know who in the area can do the work

[bullydogs1]

The fact that bypass did not work may mean that the low Freon switch is tripped..You sure you have enough refrigerant in there?...I'd start there and have a leak detector put in with it..If compressor starts working that's it..the next thing which the detector will do is to find the leak...Other possibility is a comp clutch but that probably would have destroyed the belt by now.

[dog_house_Jim]

Sorry, The compressor shorts out immediately when turned on. The tech that looked at it could not find the fuse for it. When he brought power to the unit by passing the fuse his bypass shorted out too.

[wa8yxm]

Alas, on my RV they tell me the dash A/C is a "Body Builder Item". even though it very clearly is not since it is a standard all the way chassis maker's original parent company product.

However, you said it "Shorted out".. Symptoms please,, many of these are easily fixed.

Does the blower blow but the compressor fail to compress?
Does the compressor compress but the blower fail to blow?
Something else
Did the fuse or breaker blow/trip.

[ScottG]

You have a Cummins BTW, no G. 🙂

[wolfe10]

Your dash HVAC system is very very similar to that on a PU truck or car.

So, anyone who can work on a "regular" vehicle A/C can work on yours.

Yes, the compressor will likely be a little more difficult to access, but will mount the same as in other vehicles.

When you say "shorted out", I am not sure what you mean???