Noisy rooftop air condx

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Smoky

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Mar 11, 2005
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wherever we are parked
I am trying to get help for this on the Newmar forum, but thought someone here might also have an idea.  Like the gjuy with the Mountain Aire, my problem is intermittent.  Drove me crazy yesterday and gone today.  I am sure it will come back.

******
Message: 7       
  Date: Tue, 19 Jul 2005 08:41:34 -0500
  From: "Dennis" <[email protected]>
Subject: Re: Noisy rooftop air

Same problem in our 2005 MADP.  Six months ago the rear AC started making a rattling noise.  At one of the ducts there was metal tape.  The noise went away only to return again recently.  More tape found at the same duct.  The noise is still present but to a lesser degree.

We had the same issue with our 2003 DSDP.  After the problem went away did not take any further action.

This seems to be a common problem in Newmar products.  Does anyone know the purpose for the tape?  Is it something that requires repair?


  ----- Original Message -----
  From: Smoky Shepherd
  To: [email protected]
  Sent: Tuesday, July 19, 2005 8:20 AM
  Subject: [Newmar-dp-owners] Noisy rooftop air


  A new problem suddenly popped up on our new 2005 KS3910.  We have been
  running the air most of the time (fulltiming) and yesterday we began
  to hear a sound that was sort of like bacon frying, or rain
  pattering.  In fact I was working on the pc and in the back of my mind
  though a soft rain had started.  I looked outside and saw it was
  sunny, so I turned to the stove to see if something was cooking.

  Turned out it is a crackling sound coming from our forward zone output
  ducts.  I removed the vent from two of the forward ducts and in one
  duct was about a 2 inch square of something that looked like aluminum
  foil, though a but stronger.  I removed it but the crackling sound
  continues.  It is just loud enough to be quite annoying.

  Anyone know what is going on or had a similar problem.  I am thinking
  of going to Home Depot today and picking up a 50 foot fish tape
  (something I need anyway for future wiring jobs) and attaching a small
  rag and pushing through the duct to see if I pick anything else up.

  Would appreciate any tidbits anyone has to offer on this.


******
 

caltex

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Feb 14, 2005
Posts
731
Location
North Texas/Northern California
Smokey, you might want to be careful pushing a tape through the ducts, you don't want to poke any holes or disloge a taped joint.  Those ducts might be hard to repair.

Robert
 

Smoky

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Joined
Mar 11, 2005
Posts
3,589
Location
wherever we are parked
Robert, that is true.  But Newmar tells me their ducts are built to take a lot of abuse and they recommend running wiring by fish taping through the ducts.  My dealer does that as standard practice.

Amazingly, today I had no noise all day long.  Nothing like intermittent problems.  :eek:
 

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