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Identifying Noise

haphop

Member
Joined
February 17, 2010
Messages
35
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City, State
Houston, Tx
Year, Model & Trim Level
2000XLT 5.0
I got a new rattling noise under the hood. Sounds like it could be a power steering pump, the ac compressor/bearing or idler. It would come and go when the ac clutch disengaged. It sounds the same with stethoscope on each device.

How to determine what's causing the noise?
Which have you had to replace? Which is most likely the cause of the noise?
Is it feasible to replace just the bearing, if it can be determined which it is?

2000 XLT 5.0 195k mi
 
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my98nnj

Explorer Addict
Joined
September 27, 2008
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City, State
Boonton, New Jersey
Year, Model & Trim Level
1998 XLT
Remove the serpentine belt, all you need is a ratchet on the idler.
Rotate each pulley by hand, you'll feel the noisy one.
 
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deweyville65

Well-Known Member
Joined
January 1, 2012
Messages
724
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City, State
Dewey,Az
Year, Model & Trim Level
96 EXPLORER XLT
I got a new rattling noise under the hood. Sounds like it could be a power steering pump, the ac compressor/bearing or idler. It would come and go when the ac clutch disengaged. It sounds the same with stethoscope on each device.

How to determine what's causing the noise?
Which have you had to replace? Which is most likely the cause of the noise?
Is it feasible to replace just the bearing, if it can be determined which it is?

2000 XLT 5.0 195k mi
And, if it is the tensioner, you can get just the bearing. At least, I have in the past. The power steering, I would replace the pump. The A/C, replace the whole clutch. This is my opinion.
 
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Flash

Explorer Addict
Joined
July 5, 2004
Messages
1,799
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City, State
Brisbane Australia
Year, Model & Trim Level
1997 Limited
The A/C, replace the whole clutch. This is my opinion.

I came to this thread because I'm having the same problem, I've tracked it to the A/C clutch bearing.

How do you replace the clutch?
 
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