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-   -   2004 M380 Cummins ISL 400 engine cooling control and dash AC problems (https://www.wanderlodgeownersgroup.com/forums/showthread.php?t=4110)

Dan & Cindy 09-16-2009 08:19 PM

2004 M380 Cummins ISL 400 engine cooling control and dash AC problems
 
My dash AC is not working properly. Seems the hydraulic cooling fan does not activate everytime the AC compressor clutch engages. The freon pressure increases until it reaches the high pressure limit and shuts down the compressor until the pressures drop low enough for the compressor clutch to reenage. This short cycling prevents the vent discharge temp from dropping below the mid 50 degree F range. When the fan is running, vent discharge temp is around 40 degrees F. We need every degree we can squeeze out to stay cool down south.

I understand that Cummins has experienced other problems with their controller system in SOB coaches. Could my symptoms be a result of a control problem? Where is it located? Anyone have any other ideas to isolate the problem(s)? The techs that are working on the problem need your help.

JohnnyM72 07-03-2013 02:02 PM

A/C pressure switch
 
Does anyone have the part number for the pressure switch located on the high side line near the engine A/C compressor..Thanks John

Doc&Linda 07-03-2013 02:29 PM

John, My AC pressure switch harness was bad. Could giggle it and compressor would come back on. Replaced it at Parliament last year. $56.

JohnnyM72 07-03-2013 03:51 PM

I have the same problem..going to repair it for now see if you have a part number on invoice..Thanks John

Doc&Linda 07-03-2013 03:59 PM

John, All I have is the number 6011 and I am sure it is a part number for parliament. Probably doesn't work for ordering a part...

JohnnyM72 07-03-2013 04:04 PM

Thank You...

Gump 09-23-2019 11:59 AM

M380 High pressure switch
 
Still cannot find a part number for high pressure switch.
Parliament no longer exist does anyone know the part number or specs

Thanks
Gump

Randy Dupree 09-23-2019 12:03 PM

Quote:

Originally Posted by Gump (Post 465254)
Still cannot find a part number for high pressure switch.
Parliament no longer exist does anyone know the part number or specs

Thanks
Gump

Dan Hartley is your man,Coach Parts is his company,located in Brooksville Fla.

Randy Dupree 09-23-2019 12:05 PM

Coach Parts Inc


Phone: 727-420-6805


Email: coachparts@<a href="http://gmail.com...>gmail.com</a>


Very soon Web address: www.coachparts.net

Gump 09-23-2019 12:27 PM

Just called him he is looking
Thanks
Gump


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