Loud squeak from front of engine: - Diesel Forum - TheDieselStop.com
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99 & up 7.3L Power Stroke Engine and Drivetrain Discussion of the 99 & up 7.3L Power Stroke diesel engine and drivetrain in the 1999-Up Super Duty trucks and Excursions. No gas engine discussion allowed except on transmissions and drivetrain that pertain to all models. Please confine discussion of topics in this forum to those items that are specific to the 7.3L Power Stroke engine.

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Old 05-11-2006, 09:42 PM   #1 (permalink)
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Loud squeak from front of engine:

Took a trip to southern Cali (from Seattle) last week loaded with camper and EB on trailer. When going up passes and had to downshift out of OD (above 2700 RPMs)I heard a loud squeak/screach, like a fan belt? But after a few time it would only squeak when the cooling fan was on. As soon as the fan shut off the squeak would stop.

The other funny thing was when the fan was on it would occilate between fast and slow. I could hear it slow down and speed up about 4 or 5 times.

Would this be a fan clutch going bad? Ford dealership could replicate the conditions so they said nothing was wrong [img]/ubbthreads/images/graemlins/rolleyes.gif[/img]

Ryan.
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Old 05-17-2006, 11:06 AM   #2 (permalink)
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Re: Loud squeak from front of engine:

I'm curious as well.

I have the same problem, engine gets hot, fan comes on (along with what appears to be a huge loss in my pedal response),and at higher RPMs it squeaks.
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Old 05-17-2006, 12:01 PM   #3 (permalink)
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Re: Loud squeak from front of engine:

mice.
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Old 05-17-2006, 12:14 PM   #4 (permalink)
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Re: Loud squeak from front of engine:

Cat stuck in manifold.
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Old 05-17-2006, 12:40 PM   #5 (permalink)
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Re: Loud squeak from front of engine:

[ QUOTE ]
Cat stuck in manifold.

[/ QUOTE ]

I assume that the cat was put into the mainfold to get the mice? [img]/ubbthreads/images/graemlins/biggrin.gif[/img]

Back on topic, sounds to me that something's amiss with the fan clutch.
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Old 05-17-2006, 12:41 PM   #6 (permalink)
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Re: Loud squeak from front of engine:

[ QUOTE ]
mice.

[/ QUOTE ]

Ha

Actually had rat's nests in various places when I bought it, including the airbox, might still have the rat feet hangin off of my skidplate.
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Old 05-17-2006, 04:03 PM   #7 (permalink)
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Re: Loud squeak from front of engine:

Try this link
I had the same problem and bought the kit fix, (knock on wood), no repeats.
I had the same problem at the stealer, X's 2...COuld not duplicate the problem, therefore, no problem....
Good Luck [img]/ubbthreads/images/graemlins/wink.gif[/img]
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