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09-06-2016, 08:00 PM
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#1
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Senior Member
Join Date: Jan 2011
Posts: 713
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A/C Return Filters - Clean or Replace?
Greetings from Portland. Was checking for a vibration noise behind ceiling AC fixture and found return filters are very dirty. Should they be replaced or can they be cleaned? To remove them, must the four screws be removed or is there a trick to removing the plastic piece holding the filter in place? Thank you! 
2016 Newmar Essex 4519
1997 American Eagle - For Sale
2013 FJ Cruiser 4x4 Toad
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09-06-2016, 08:08 PM
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#2
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Senior Member
Tiffin Owners Club
Join Date: Aug 2012
Location: Vincennes, IN
Posts: 224
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You can easily clean them by pulling straight down in the center area of the cover. The first one will make you nervous but then you will see how easy it is. The screws do not need to be removed. The center connection will release the cover and the foam filter can be removed and cleaned.
I purchased a few extra from Newmar but they clean very easily.
Phil
__________________
Phil and Linda Smith, Retired University Faculty
2017 Tiffin Allegro Red 33AA FMCA #F463160
2017 Jeep Cherokee Trailhawk
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09-06-2016, 09:27 PM
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#3
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Senior Member
Join Date: Jan 2011
Posts: 713
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Did it 
Thank you!
2016 Newmar Essex 4519
1997 American Eagle - For Sale
2013 FJ Cruiser 4x4 Toad
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09-06-2016, 10:02 PM
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#4
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Senior Member
Join Date: Mar 2005
Location: Northern Oklahoma
Posts: 5,062
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Mine need cleaning also but I was a little concerned on just how hard to pull on vent without breaking something. Any particular way to get a hold of the center part of the vent since there's not much room for a finger hold.
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09-06-2016, 10:32 PM
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#5
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Senior Member
Join Date: Jan 2011
Posts: 713
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I used two fingers on each hand as close to the center as possible and pulled straight down. Yes, it was scary as it seemed to require significant downward pressure, yet once enough straight downward pressure was applied, it "popped" out. Next time I will use a vacuum first as a tremendous amount of dust was released into the air when it popped out. After removal, I simply ran it under water to remove the remaining dust.
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09-06-2016, 10:32 PM
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#6
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Senior Member
Newmar Owners Club Freightliner Owners Club
Join Date: May 2012
Location: Today? Clayton, North Carolina
Posts: 5,093
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AC Return Filters - Clean or Replace?
I have found that if you grasp near the center and use a slight wiggling motion as you pull down the vent will pop easily. HOWEVER..... over the course of time the plastic will age and you will get too enthusiastic sometimes, and things will snap-- particularly the plastic spring clips molded into the center back of the vent. That's why it's a good idea to order a few from Newmar so you have some spares.
John & Diane, fulltiming since '12 02 DS40, FL, Cat, '04 Element NHSO RVM103
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John and Diane (RIP Lincoln, 21 FEB 22) RVM103 NHSO
Fulltimers since June, 2012
2002 Dutch Star 40, Freightliner, Cat 3126, 2004 Element
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09-07-2016, 11:58 AM
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#7
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Senior Member
Join Date: Sep 2010
Posts: 216
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AC air return filters
Newmar parts folks suggested that I twist the vent slightly while pulling down. Seems to help. Haven't broken one while doing that.
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Joel, Lynette and the pups, Czarina & Natasha
2011 Essex 4556
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09-07-2016, 12:04 PM
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#8
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Senior Member
Newmar Owners Club
Join Date: Oct 2009
Posts: 10,310
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Quote:
Originally Posted by jd956jd956
Greetings from Portland. Was checking for a vibration noise behind ceiling AC fixture and found return filters are very dirty. Should they be replaced or can they be cleaned? To remove them, must the four screws be removed or is there a trick to removing the plastic piece holding the filter in place? Thank you! Attachment 138254
2016 Newmar Essex 4519
1997 American Eagle - For Sale
2013 FJ Cruiser 4x4 Toad |
Just keep in mind that "Any" type of filter is not 100% efficient till it has been used and is a little dirty........just like the engine's air filter.
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2012 Essex 4544 2011 Jeep JK, M&G Braking, 2014 MTI 27' Hog Hauler, Wireless brake control, 2006 Ultra & 1989 Springer, 2003 Harley-Davidson
FLHR Road King Anniversary
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09-07-2016, 12:23 PM
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#9
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Senior Member
Newmar Owners Club
Join Date: May 2015
Posts: 315
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Thanks!
We had just tried getting into one of those the other day without success. Your technique worked perfectly and now we have clean filters!
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09-07-2016, 12:32 PM
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#10
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Senior Member
Newmar Owners Club Freightliner Owners Club
Join Date: Aug 2015
Posts: 3,180
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https://youtu.be/zPeWvSyRd3Q
David has way too much fun cleaning these filters....
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Charlie & Ronni
2016 Ventana 4037
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09-07-2016, 02:37 PM
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#11
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Senior Member
Join Date: Oct 2012
Location: Foley AL
Posts: 7,138
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I clean mine (wash them) but I bought a sheet of window air conditioner filter material at Lowes. It's usually next to the Window A/C Units in the aisle with fans/AC. One sheet will be enough to do the whole RV. That way I have a fresh set to install while the other set is drying. About $3 if I remember correctly.
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2005 Newmar Essex 4502, 2013 Caddy SRX
1997 HR Endeavor 37, CAT, 1996 Geo Tracker
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09-07-2016, 02:52 PM
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#12
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Senior Member
Newmar Owners Club Freightliner Owners Club
Join Date: Aug 2015
Posts: 3,180
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Quote:
Originally Posted by bruceisla
I clean mine (wash them) but I bought a sheet of window air conditioner filter material at Lowes. It's usually next to the Window A/C Units in the aisle with fans/AC. One sheet will be enough to do the whole RV. That way I have a fresh set to install while the other set is drying. About $3 if I remember correctly.
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Brilliant idea...thanks!
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Charlie & Ronni
2016 Ventana 4037
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09-07-2016, 06:15 PM
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#13
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Senior Member
Newmar Owners Club Ford Super Duty Owner
Join Date: Jul 2015
Posts: 488
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on my way to Lowes. Thanks for the great tip.
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2016 Newmar 3710 Canyon Star
2014 GMC Terrain
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09-07-2016, 06:19 PM
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#14
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Senior Member
Country Coach Owners Club Solo Rvers Club iRV2 No Limits Club
Join Date: May 2011
Location: Vancouver, WA
Posts: 37,725
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Quote:
Originally Posted by bruceisla
I clean mine (wash them) but I bought a sheet of window air conditioner filter material at Lowes. It's usually next to the Window A/C Units in the aisle with fans/AC. One sheet will be enough to do the whole RV. That way I have a fresh set to install while the other set is drying. About $3 if I remember correctly.
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Exactly what I did years ago with the '02 DSDP.
__________________
2009 45' Magna 630 w/Cummins ISX 650 HP/1950 Lbs Ft, HWH Active Air
Charter Good Sam Lifetime Member, FMCA,
RV'ing since 1957, NRA Benefactor Life, towing '21 Jeep JLU Rubicon Ecodiesel
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