05-11-2019, 02:15 PM
Reese,
I have a similar 2008 dated coach (1223)
When I purchased my coach about 1.5 years ago the factory needed to replace the number 2 A/C unit. The number 3 unit also needed to be replaced but the factory missed that when checking it over. I had it replaced once I got home. Last summer the number 1 unit went bad and was replaced in Oregon. The 2 units I personally dealt with had problems that did not show a high amperage reading. I found the problems using a temperature gauge in the outlet. I believe the problem was related to the valve that handles the heat pump switch-over, apparently they can stick and keep the unit from cooling properly. All of the new units are Coleman Mach 8 and show 12 to 13 amps when running which is about the same as the one remaining original unit (#4).
I would not replace the units if they still cool and are drawing 11 to 12 amps. They could last quite a bit longer. Get some kind of temp gauge (I use an IR gun) and watch the temp on the outlets and the amp draw. It will be apparent when the unit has failed.
I have a similar 2008 dated coach (1223)
When I purchased my coach about 1.5 years ago the factory needed to replace the number 2 A/C unit. The number 3 unit also needed to be replaced but the factory missed that when checking it over. I had it replaced once I got home. Last summer the number 1 unit went bad and was replaced in Oregon. The 2 units I personally dealt with had problems that did not show a high amperage reading. I found the problems using a temperature gauge in the outlet. I believe the problem was related to the valve that handles the heat pump switch-over, apparently they can stick and keep the unit from cooling properly. All of the new units are Coleman Mach 8 and show 12 to 13 amps when running which is about the same as the one remaining original unit (#4).
I would not replace the units if they still cool and are drawing 11 to 12 amps. They could last quite a bit longer. Get some kind of temp gauge (I use an IR gun) and watch the temp on the outlets and the amp draw. It will be apparent when the unit has failed.
2008 Newell #1223 4 slide, Cat C15 with ZF 12 spd, 2004 Chevy Silverado 4x4 Duramax 6.6