Replaced belt
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Senior User
Joined: Jun 2006
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From: Sac CA.
Replaced belt
2002 4x4 XLT 4.0 135K, Replaced the serpintine belt, now has a squeeking type of noise as engine runs, after a long while it will quiet down. Have tryed belt lube/ sticky grip, not much help. Have even used contact cleaner to remove the sticky crap on the outside of belt, did quiet down the noise for a few seconds, then noise would start back up. After engine heats up, the noise seams to go away if you take your foot off of the gas, step on gas easy and you can hear the noise start to come back. Sounds like a small spot on the belt is making the noise as it goes around. Any ideas?
CO River Rat
Joined: Feb 2004
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From: Lake Havasu City AZ
Here's some good info from Gates, plus an offer for a free wear gauge:
Tech Tips - Belt Inspection Changes | Gates Corporation
After 135K miles, I think Aquanaut20 is right; you're due for a new idler assembly.
Steve
Tech Tips - Belt Inspection Changes | Gates Corporation
After 135K miles, I think Aquanaut20 is right; you're due for a new idler assembly.
Steve
Carpenter Local 745
Joined: Apr 2006
Posts: 5,794
Likes: 11
From: on da beach
Idlers are an inexpensive repair and very easy to do, and using better grade belts are just that better.
I prefer Motorcraft for my serpentine belts.
I tried the Goodyear Gatorbacks once, but Iʻd rather spend a little more to
buy Motorcraft parts.
My local Checkers has the resources to get Motorcraft parts at better prices than my local Ford dealer.
I prefer Motorcraft for my serpentine belts.
I tried the Goodyear Gatorbacks once, but Iʻd rather spend a little more to
buy Motorcraft parts.
My local Checkers has the resources to get Motorcraft parts at better prices than my local Ford dealer.
Postmaster
Joined: Jan 2009
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From: Chesapeake, Va.
2002 4x4 XLT 4.0 135K, Replaced the serpintine belt, now has a squeeking type of noise as engine runs, after a long while it will quiet down. Have tryed belt lube/ sticky grip, not much help. Have even used contact cleaner to remove the sticky crap on the outside of belt, did quiet down the noise for a few seconds, then noise would start back up. After engine heats up, the noise seams to go away if you take your foot off of the gas, step on gas easy and you can hear the noise start to come back. Sounds like a small spot on the belt is making the noise as it goes around. Any ideas?
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Senior User
Joined: Jun 2006
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From: Sac CA.
Did put the old belt on, and it was as bad if not a little louder, until it warmed up and then it started to quiet down, just like the new belt. Will try running the motor tomarrow and see what happens. Did not check if any of the pulleys or other items were stiff, of gave any indication of a problem. Will let you all know what I find after wife returns tomarrow.
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Take the belt off again and clean the pulleys well. Use a wire brush to get into the grooves. Don't use any belt lubticants or other liquids. Good luck!
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Senior User
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From: Sac CA.
Removed the belt and cleaned the pulleys that have groves. Checked the idler and the tensioner pulleys, found that both were real free running. Sounded like they had NO lube, had a rattle type of sound when spun by hand. Not sure if that is normal or not. Going to stop be auto parts store and check on cost of new ones and how they sound when spun. Will let you know what I find.
Carpenter Local 745
Joined: Apr 2006
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From: on da beach
POD at CSK Auto
Items like these are very affordable(20-25 dollars), and a 135,000 mile engine surely would need a new one.
Items like these are very affordable(20-25 dollars), and a 135,000 mile engine surely would need a new one.
Postmaster
Joined: Jan 2009
Posts: 4,584
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From: Chesapeake, Va.
Removed the belt and cleaned the pulleys that have groves. Checked the idler and the tensioner pulleys, found that both were real free running. Sounded like they had NO lube, had a rattle type of sound when spun by hand. Not sure if that is normal or not. Going to stop be auto parts store and check on cost of new ones and how they sound when spun. Will let you know what I find.
I think you may have found your noise and now you have a spare belt.
That rattle is not normal. These are sealed bearings and will feel a little tight when new. We have so many Fords in my family that I keep some spare bearings and when one goes bad I just pound the old one out and reverse the procedure, reinstall on the engine and good to go.
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Senior User
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From: Sac CA.
I agree with you Moto, checked at auto parts store, when spun, they do feel a little stiff, not like the loose, extra play that I have on mine. New replacements are about $20 each. Need to wait for the first of the month, being on a fixed income and retired has its disadvantages. Too much time and not enough money.
Postmaster
Joined: Jan 2009
Posts: 4,584
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From: Chesapeake, Va.
I agree with you Moto, checked at auto parts store, when spun, they do feel a little stiff, not like the loose, extra play that I have on mine. New replacements are about $20 each. Need to wait for the first of the month, being on a fixed income and retired has its disadvantages. Too much time and not enough money.
