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11-05-2012, 09:29 PM
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#1
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Member
Join Date: Aug 2012
Location: Deerfield Beach, FL
Posts: 50
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Strange Noise coming from engine compartment
I just developed a "mystery noise." Sounds like a spinning noise, Happens when the engine is pulling, and is more prevalent when engine is cold and it sounds like its coming from the left side of the engine compartment. It doesn't seem to affect performance at all. I thought maybe it could be the power steering pump. Any Ideas?
Gary
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2008 Newell Quad Slide 625HP Caterpillar C15
Gary & Terry Morgan
Any RVing action is good action!
Deerfield Beach,FL
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11-06-2012, 01:56 AM
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#2
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Senior Member
Join Date: Jan 2012
Location: Southwest NM
Posts: 346
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Maybe an alternator bearing?
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Clint C. Johnson / Fran Balm
Coach 289 '92 42'6" 8V92 Hybrid
Several Toads:
XL-7
F-350 4X4 Crewcab
F-250 4X4 Crewcab
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11-06-2012, 04:23 PM
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#3
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Member
Join Date: Oct 2007
Location: USA
Posts: 74
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Do you have a turbo boost gauge, maybe the hose connecting to it has a slight leak under pressure and you are hearing the noise from it. Or air intake ducting there is a lot of suction inside the air duct to the turbo.
Just an idea,
David
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David & Maria Ball
1989 Newell Owner
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11-07-2012, 05:07 PM
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#4
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Senior Member
Join Date: Dec 2005
Location: Southern California
Posts: 1,018
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Check all the air to air connections as well as all hoses. I have been told a noise like a baby crying can come from a loose boost hose
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1976 Newell Classic (Sold)
Home Base: Riverside, CA
If anyone needs my contact info private message me and I will send it to you.
-Joseph-
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11-08-2012, 07:10 PM
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#5
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Senior Member
Join Date: Jan 2012
Location: Southwest NM
Posts: 346
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On other thought; possibly a belt tensioner or idler pulley. Please let us know what is ends up being!
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Clint C. Johnson / Fran Balm
Coach 289 '92 42'6" 8V92 Hybrid
Several Toads:
XL-7
F-350 4X4 Crewcab
F-250 4X4 Crewcab
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