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06-17-2023, 03:20 PM
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#1
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Senior Member
Join Date: Oct 2018
Location: Fort Collins
Posts: 125
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Dometic AC Fan Problem
Hello All,
I have a friend visiting with her class B camper van. The van has a self contained Dometic heat pump/air conditioner. The AC is blowing cold air, however the fan is making a very loud rattle/thumping noise. Loud enough that we do not believe would be safe to run the unit, nor would you want to be in the van. we took the front grill off but of course there is nothing to be seen except the Colling coils. Unit is as follows:
Dometic self contained heat pump/air conditioner rotary compressor system model 41002
We have attempted to find online information on this unit without success. any help would be appreciated.
__________________
2012 Cougar 21RBSWE
2018 GMC 1500 5.3L, 4x4, crew cab, max tow pkg
Andersen Hitch
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06-17-2023, 03:30 PM
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#2
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Site Team
Join Date: Feb 2014
Location: W. Texas
Posts: 17,702
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Quote:
Originally Posted by P&DZ
Hello All,
I have a friend visiting with her class B camper van. The van has a self contained Dometic heat pump/air conditioner. The AC is blowing cold air, however the fan is making a very loud rattle/thumping noise. Loud enough that we do not believe would be safe to run the unit, nor would you want to be in the van. we took the front grill off but of course there is nothing to be seen except the Colling coils. Unit is as follows:
Dometic self contained heat pump/air conditioner rotary compressor system model 41002
We have attempted to find online information on this unit without success. any help would be appreciated.
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What year is the van? From everything I found the unit has been discontinued for some time. Have you removed the shroud over the fan to look at it?
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Danny and Susan, wife of 56 years
2019 Ram 3500 Laramie CC SWB SB 6.4 4x4 4.10
2020 Montana High Country 331RL
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06-17-2023, 03:34 PM
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#3
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Senior Member
Join Date: Aug 2020
Location: Upper Chesapeake Bay
Posts: 4,841
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if it’s a squirrel cage blower it could have sucked something into the wheel..even a dryer fabric softener sheet in a residential unit will make a furnace seem like it could walk across the floor…fan blades/cages are very sensitive and easily unbalanced..if it’s the condenser blade it could have something caught on it or a broken blade
__________________
2020 Cougar 315 RLS
2020 Ram 3500 6.7HO 4.10 Dually Aisin
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06-17-2023, 06:38 PM
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#4
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Senior Member
Join Date: Oct 2018
Location: Fort Collins
Posts: 125
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The van is a 2010. And the AC unit is original. I am thinking I will have to begin tearing into the unit. What is the probability if I remove the rear radiator I will get to the fan/blower?
__________________
2012 Cougar 21RBSWE
2018 GMC 1500 5.3L, 4x4, crew cab, max tow pkg
Andersen Hitch
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06-17-2023, 07:46 PM
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#5
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Senior Member
Join Date: Jul 2013
Location: Box Elder
Posts: 2,910
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You can't remove the condenser coil or the evaporator coil. We have had a blower fan, the inside fan break on one of our A/C units and just recently had the condenser fan, the one with propeller blades, have one of the blades break off, this in the other A/C unit. The blower fan looked perfectly normal sitting still, but once turned on, it expanded so it was rubbing on the inside of the housing. The recent condenser fan failure was obvious as the six bladed fan only had five glades which caused it to be extremely imbalanced.
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Bob & Becky
2012 3402 Montana
2012 Chevy 2500HD D/A CC
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06-17-2023, 08:29 PM
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#6
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Senior Member
Join Date: Oct 2018
Location: Fort Collins
Posts: 125
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Thanks guys,
When we return from a short trip to RMNP I Will attempt to dismantle or remove to get at the fan(s).
__________________
2012 Cougar 21RBSWE
2018 GMC 1500 5.3L, 4x4, crew cab, max tow pkg
Andersen Hitch
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06-18-2023, 05:45 AM
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#7
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Site Team
Join Date: Mar 2011
Location: Gaylord
Posts: 26,998
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Is this van similar to the older RoadTrek vans with the air conditioner mounted above the rear doors, in the fiberglass roof ??? If so, on the RoadTrek vans, there's access to the mounting bolts inside the coach through the cupboards on either side of the air conditioner unit. Then you simply pull it out from the grill space. The grill is removeable and once the mount bolts are removed, the entire unit slides out through that space...
__________________
John
2015 F250 6.7l 4x4
2014 Cougar X Lite 27RKS
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