Go Back   iRV2 Forums > RV SYSTEMS AND TECHNOLOGIES FORUMS > RV Systems & Appliances
Click Here to Login
Join iRV2 Today

Mission Statement: Supporting thoughtful exchange of knowledge, values and experience among RV enthusiasts.
Reply
  This discussion is proudly sponsored by:
Please support our sponsors and let them know you heard about their products on iRV2
 
Thread Tools Search this Thread Display Modes
 
Old 12-23-2012, 06:50 PM   #1
Member
 
Join Date: Aug 2012
Posts: 88
Noisy Furnace Fan

Well it starts in the morning squealing a bit and getting worse. After it is warm it doesn't do it. It is a Suburban NT-34BW. An older on about 19 years. Anyone have good results from disassembling and greasing the fan motor? Joe
__________________

__________________
jofo777 is offline   Reply With Quote
Join the #1 RV Forum Today - It's Totally Free!

iRV2.com RV Community - Are you about to start a new improvement on your RV or need some help with some maintenance? Do you need advice on what products to buy? Or maybe you can give others some advice? No matter where you fit in you'll find that iRV2 is a great community to join. Best of all it's totally FREE!

You are currently viewing our boards as a guest so you have limited access to our community. Please take the time to register and you will gain a lot of great new features including; the ability to participate in discussions, network with other RV owners, see fewer ads, upload photographs, create an RV blog, send private messages and so much, much more!

Old 12-23-2012, 07:04 PM   #2
Senior Member
 
sgtjoe's Avatar
 
National RV Owners Club
Join Date: May 2008
Posts: 1,793
It may be a sealed unit and the bearing is going bad. The motor may have to be replaced.
__________________

__________________
Joe & Angie
Shih Tzu's Cookie & Rocky
2001 Tradewinds 7390 2011 CRV EX-L Navi w/ RoadMaster FuseMaster
sgtjoe is offline   Reply With Quote
Old 12-23-2012, 07:20 PM   #3
Senior Member
 
Join Date: Feb 2011
Location: Snowbird - Waterford Mi and Citrus Springs Fl.
Posts: 3,601
Yes! A drop of 30wt on each end will shut it up for a long time!
__________________
1997 37' HR Endeavor, 275hp Cat, Freightliner
03 CR-V Blue Ox, Ready Brake
ahicks is offline   Reply With Quote
Old 12-23-2012, 09:56 PM   #4
Senior Member
 
Join Date: Jan 2012
Location: seattle, wa.
Posts: 413
Send a message via Skype™ to LandKinaMoho
Sealed unit ? Check with dealer.
__________________
1999 National Dolphin
1995 Range Rover County SWB.
Sailor, Dickens, Zooki, Koko.
LandKinaMoho is offline   Reply With Quote
Old 12-23-2012, 10:43 PM   #5
Senior Member
 
Join Date: Feb 2011
Location: Oregon
Posts: 209
Some people have luck with applying a little light weight oil - many people just replace the motor. In my case the squeal was due in part because I rarely use the furnace - I cured by turning the thermostat to high - turned off the propane and let the fan run for about 40 minutes - haven't heard the squeal since.
__________________
ksg5000 is offline   Reply With Quote
Old 12-24-2012, 06:16 AM   #6
Senior Member
 
Join Date: Feb 2011
Location: Snowbird - Waterford Mi and Citrus Springs Fl.
Posts: 3,601
They're generally oilite bushings - very similar to the cab/chassis blower motor - which will often respond well to a drop or 2 of oil as well.

This isn't something you want to pay somebody to do. I agree. If you're doing that just replace it. A do it your selfer though, can extend the life of either of those motors considerably - for nothing but the time and effort involved to pull it down and reassemble it. A squealing fan in a computer would be another example?
__________________
1997 37' HR Endeavor, 275hp Cat, Freightliner
03 CR-V Blue Ox, Ready Brake
ahicks is offline   Reply With Quote
Old 12-24-2012, 06:48 AM   #7
Senior Member
 
tomwalt's Avatar
 
Tiffin Owners Club
Workhorse Chassis Owner
Join Date: Dec 2010
Location: Northern Virginia
Posts: 1,308
I agree that if you DIY it is worth the effort.
I had the exact symptoms you describe - upon disassembly I found 2 huge mud dauber nests in the heat box next to the fan that caused my squeal. Like most projects – getting started was the hardest part. Just keep the parts in the correct order for re-installation.
While you are in there get the fan part number - you will know how to replace the fan if it ever goes bad.
__________________
Tom and Amy from Northern Virginia.
2000 Allegro 454/Workhorse P32/TST/Crossfire
Life is a DIY project - enjoy it.
tomwalt is offline   Reply With Quote
Old 12-24-2012, 02:01 PM   #8
Member
 
Join Date: Aug 2012
Posts: 88
Thanks all for the good advice. Joe
__________________
jofo777 is offline   Reply With Quote
Old 12-24-2012, 07:03 PM   #9
Senior Member
 
CampDaven's Avatar


 
Join Date: Jul 2012
Location: Fulltime, USA
Posts: 14,188
Blog Entries: 1
I'm late to this thread, but...

Had a fleetwood storm, 96. Screamed like a banshe but oiling each end with an injection syringe used for BBQing took care of it until I traded 10 years later. 3 or 4 drops of 30W.
__________________

__________________
Dave and Nola, RVM1
The Journey is Our Destination!

http://davenola.blogspot.com/
CampDaven is online now   Reply With Quote
Reply

Tags
fan, furnace



Currently Active Users Viewing This Thread: 1 (0 members and 1 guests)
 
Thread Tools Search this Thread
Search this Thread:

Advanced Search
Display Modes

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off
Trackbacks are Off
Pingbacks are Off
Refbacks are Off


» Virginia Campgrounds

Reviews provided by


Copyright 2002- Social Knowledge, LLC All Rights Reserved.

All times are GMT -6. The time now is 11:51 AM.


Powered by vBulletin® Version 3.8.8 Beta 1
Copyright ©2000 - 2017, vBulletin Solutions, Inc.