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Old 11-15-2016, 10:53 PM   #1
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Smile Rear AC high pitch whine intermittant

The newest issue rear AC WHINE is blower motor sealed or have oil ports? This is just occurring in the last few days almost 90 here again in dallas.

This is a heat pump model Coleman mach Ac
. Is blower motor swap a easy job? Part numbers ?

I needed a new mission to fix this ac compressor seems fine just a part time squeal



Full timing the to do list comes and goes as I gather parts for repairs

It'll be fireplace weather next month maybe ? Maybe not?

As always yalls wisdom and advise is greatly valued

2012 36RE

Please advise

Karlb
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Old 11-16-2016, 12:17 AM   #2
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Check the seal between the return & discharge sides under the unit first. You could possibly have a whistle from airflow - or is it definately mechanical?
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Old 11-16-2016, 01:33 AM   #3
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Mine does the same occasionally, I remove the cover & add a few drops of machine oil to the motor shaft & cures it for quite a while.
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Old 11-16-2016, 05:13 PM   #4
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Yes it just started this new noise ,AC has had a tough summer , I went outside and u can hear it too but it went away then comes back like a bushing or bearings going bad

Any pricing and or part #'s for a blower motor?
I will go pull the cover spray shafts ends with some blaster and some chain and cable fluid coleman mach AC unit
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Old 11-16-2016, 07:26 PM   #5
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Quote:
Originally Posted by proteus View Post
Yes it just started this new noise ,AC has had a tough summer , I went outside and u can hear it too but it went away then comes back like a bushing or bearings going bad

Any pricing and or part #'s for a blower motor?
I will go pull the cover spray shafts ends with some blaster and some chain and cable fluid coleman mach AC unit


This should be the right one if you have the Mach 15 but verify your model number just to make sure.

http://old.rvcomfort.com/rvp/pdf_documents/r575.pdf

Rv Products Motor Package Sro 8333 1468-3069 https://www.amazon.com/dp/B0064DVNZI..._PjllybX80CBZQ


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