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08-07-2005, 09:56 AM
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#1
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Senior Member
Fleetwood Owners Club Freightliner Owners Club
Join Date: Jul 2005
Location: Southwest Missouri
Posts: 485
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My pwr steering pump makes a continual whining sound that increases with engine rpm. Doesn't matter if engine is cold or hot, same noise. Mechanic at the dealer said it was a normal Workhorse characteristic. Is he right? 
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Happy Trails, Gary 
2006 Excursion 39S, Freightliner, Cat 350
2010 Honda Fit and Buster, the wonder dog
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08-07-2005, 09:56 AM
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#2
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Senior Member
Fleetwood Owners Club Freightliner Owners Club
Join Date: Jul 2005
Location: Southwest Missouri
Posts: 485
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My pwr steering pump makes a continual whining sound that increases with engine rpm. Doesn't matter if engine is cold or hot, same noise. Mechanic at the dealer said it was a normal Workhorse characteristic. Is he right?
__________________
Happy Trails, Gary
2006 Excursion 39S, Freightliner, Cat 350
2010 Honda Fit and Buster, the wonder dog
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08-07-2005, 12:30 PM
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#3
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Senior Member
Workhorse Chassis Owner National RV Owners Club
Join Date: Apr 2005
Location: So Cal
Posts: 625
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If it is a normal Workhorse characteristic, why don't I hear mine? I had a pump winning and had it replaced two years ago, by workhorse. I'd talk to the service manager first and then go to Workhorse if you have too. 
__________________
03 Dolphin LX, W22, 8.1, 36', 22.5 wheels, ULTRAPOWER UPGRADE
My Darling Wife the navigator. We normally reside in So. Calif. And of course my Goldwing 1500 Trike. 
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08-07-2005, 12:35 PM
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#4
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Community Moderator
Nor'easters Club Newmar Owners Club Workhorse Chassis Owner
Join Date: Oct 2004
Location: Salisbury,Ma. 01952
Posts: 13,617
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They checked fluid levels also  "007"
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08-07-2005, 12:40 PM
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#5
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Senior Member
Fleetwood Owners Club Freightliner Owners Club
Join Date: Jul 2005
Location: Southwest Missouri
Posts: 485
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<BLOCKQUOTE class="ip-ubbcode-quote"><div class="ip-ubbcode-quote-title">quote:</div><div class="ip-ubbcode-quote-content">Originally posted by YosemiteBobR:
...why don't I hear mine? </div></BLOCKQUOTE>
Just as I thought. Thanks, YosemiteBob! 
__________________
Happy Trails, Gary
2006 Excursion 39S, Freightliner, Cat 350
2010 Honda Fit and Buster, the wonder dog
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08-07-2005, 12:45 PM
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#6
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Senior Member
Fleetwood Owners Club Freightliner Owners Club
Join Date: Jul 2005
Location: Southwest Missouri
Posts: 485
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<BLOCKQUOTE class="ip-ubbcode-quote"><div class="ip-ubbcode-quote-title">quote:</div><div class="ip-ubbcode-quote-content">Originally posted by "007":
They checked fluid levels also "007" </div></BLOCKQUOTE>
Yeah, it was full. Has whined from day one and seems to be getting worse. 
__________________
Happy Trails, Gary
2006 Excursion 39S, Freightliner, Cat 350
2010 Honda Fit and Buster, the wonder dog
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08-07-2005, 01:54 PM
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#7
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Senior Member
Join Date: Sep 2003
Location: Destin, FL
Posts: 885
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Ask that "mechanic" if that whining sound is in the pump specs. Get it replaced on YOUR terms, not on the road in a driving rain storm.
Thudman
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03 Adventurer 38G, W22, 22.5 Whls
Koni FSD's, TracBar rear, SteerSafe, 50A SurgeGuard, Eternabond; 2012 Honda CRV AWD
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08-07-2005, 02:25 PM
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#8
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Junior Member
Join Date: Jan 2004
Location: Millville,NJ,USA
Posts: 10
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Teach, I had the same problem. Since I have had the RV brand new, I had the power steering pump replaced, power steering gearbox replaced and both hoses replaced. My noise was still evident.
I just found out that for the past 18,000 miles in the power steering reservoir at the very bottom there is a screw-in filter. Mine was laying in there doing nothing. It had never been connected at the factory.
To access it, you will have to pull the clamp off the cannister and lift the cover up and put your hand down in and see if it is connected or just laying down at the bottom. You will lose some fluid and, if that is the case, you should be able to screw it back in.
Also, try to isolate your high pressure hose. That also helped alleviate the noise.
Good luck. Blaine
03 Adventurer 33V
8.1 Banks Power Pack
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08-08-2005, 05:25 AM
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#9
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Senior Member
Workhorse Chassis Owner Freightliner Owners Club Winnebago Owners Club
Join Date: Nov 2003
Location: Southern California
Posts: 279
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Teach, check the lower radiator shroud. If the engine fan is rubbing it, it sounds just like a power steering pump whine. I know, I have two lower shrouds with holes worn in the bottom of them from the fan rubbing. Rick
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RickandCheryl, 2011 Winnebago Journey Express, 2003 Acura TL Toad.
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08-08-2005, 05:40 AM
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#10
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Senior Member
Workhorse Chassis Owner National RV Owners Club
Join Date: Apr 2005
Location: So Cal
Posts: 625
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<BLOCKQUOTE class="ip-ubbcode-quote"><div class="ip-ubbcode-quote-title">quote:</div><div class="ip-ubbcode-quote-content">Originally posted by rickandcheryl:
Teach, check the lower radiator shroud. If the engine fan is rubbing it, it sounds just like a power steering pump whine. I know, I have two lower shrouds with holes worn in the bottom of them from the fan rubbing. Rick </div></BLOCKQUOTE>
Rick, not to get off the subject but that is not an uncommon problem. If you chassis is still under warranty it can be replaced. If not you should still replace it but add a teck screw (self drilling screw) to the bottom of the shroud to the lower brace for the radiator to secure it down from the fan.
__________________
03 Dolphin LX, W22, 8.1, 36', 22.5 wheels, ULTRAPOWER UPGRADE
My Darling Wife the navigator. We normally reside in So. Calif. And of course my Goldwing 1500 Trike.
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