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 Serpentine belt squeal!
#1016415
12/29/10 04:56 AM
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Joined: Mar 2009
Posts: 294
OP
Mudrunner
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I put a brand new Gates belt on the 01 Friday...its already starting to squeak! The previous one was howling. Idlers and tensioner are less than a year old. I go through a $40 belt every 6-8 months and the noise drives me crazy! Any ideas?
I literally will sell this thing if I can't cure it. Been looking at Land Cruisers anyway.
1989 Raider SWB Auto 3.0L...It's ALIVE!
Currently on a shakedown cruise...
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Re: Serpentine belt squeal!
[Re: dougl3nc]
#1016416
12/29/10 03:20 PM
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Joined: Jun 2002
Posts: 6,211
Trail Leader
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Maybe a silly question, but have you tried spraying belt dressing on it?
At least the belt squeal lets you know the engine is running.
John B.
'87 Raider 2.6 Turbo Auto, Under Construction
'95 Montero SR, 35x12.5/15 BFG M/T KM-2's, Rock sliders, Qtr panel chop, gas tank lift, 2" BL, Aisins, 5.29s
'95 Pajero Mini
'98 Montero Winter Ed.
'04 Cadillac XLR
'03 Kawasaki ZRX1200R
'60 Ford Falcon 4Dr
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Re: Serpentine belt squeal!
[Re: JohnnyBfromPeoria]
#1016417
12/29/10 03:26 PM
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Joined: May 2007
Posts: 4,628
Roll Me Over
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Maybe a silly question, but have you tried spraying belt dressing on it? That's not recommended. Read the can. On my M-I-L's 02, I've had to use OE belts to keep squeals at bay.
Fasteddy's advice is occasionally sound...
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Re: Serpentine belt squeal!
[Re: hazy_daze]
#1016418
12/29/10 04:42 PM
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Joined: Feb 2001
Posts: 2,356
Body Damage is Cool
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Are all the pulleys and idlers aligned?
Can you determine where the squeal is coming from? (alternator, power steering, A/C, idler)
Does it change with the A/C on?
Mitsu # 6 - 98 6G72 Montero Sport, Locking Rear Diff, Aisin Manual Hubs, 31x10.5
Mitsu # 7 - 02 6G74 Montero Limited
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Re: Serpentine belt squeal!
[Re: dougl3nc]
#1016419
12/29/10 05:45 PM
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Joined: Sep 2006
Posts: 2,712
Roll Me Over
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I will bet your alternator has failed. Is the squeal intermittent? If so determine what load is causing the squeal.
Cheers, Charlie
If It ain't broke, Modify it!
87 Montero turbo Converted back in Spring1989
95 Montero SR 3.8 DOHC Only one?
93 Pajero 3 door 6G75 Mivec with paddle shifted 5 speed
Then a Gen2 SR with full coil independent suspension.
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Re: Serpentine belt squeal!
[Re: OldColt]
#1016420
12/30/10 03:41 AM
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Joined: Mar 2009
Posts: 294
OP
Mudrunner
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The intensity of the squeal varies with the RPM. AC on or off makes no difference. The squeal is from the belt itself, nothing else. Sounds like birds chirping at idle to solid squeal at 1250rpm onward. Everything is in-line and true as far as alignment. All pulleys and idlers feel great.
I'm so frustrated with this I'm honestly ready to give up. Anyone want an 01 Monty Limited?
1989 Raider SWB Auto 3.0L...It's ALIVE!
Currently on a shakedown cruise...
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Re: Serpentine belt squeal!
[Re: dougl3nc]
#1016421
12/30/10 03:49 AM
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Joined: Feb 2000
Posts: 6,247
Trail Leader
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Sounds like you have a bearing ready to fail. One trick for belts, take a bar of soap and with the engine running, hold the soap against the belt. If the noise stops, you have a belt tension problem. If the noise continues, you have a bearing issue. And, if you want your engine compartment to momentarily smell better, use a deodorant soap. <img src="/forums/images/graemlins/smile.gif" alt="" /> <img src="/forums/images/graemlins/smile.gif" alt="" />
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Re: Serpentine belt squeal!
[Re: 4x4Wire]
#1016422
12/30/10 04:16 AM
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Joined: Mar 2009
Posts: 294
OP
Mudrunner
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Tried bar soap on the previous belt...worked for about 20 minutes then the squeal came back.
1989 Raider SWB Auto 3.0L...It's ALIVE!
Currently on a shakedown cruise...
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Re: Serpentine belt squeal!
[Re: dougl3nc]
#1016423
12/30/10 04:47 AM
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Joined: Jun 2002
Posts: 6,211
Trail Leader
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Take another look at the tensioner.
John B.
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Re: Serpentine belt squeal!
[Re: JohnnyBfromPeoria]
#1016424
12/30/10 01:12 PM
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Joined: Mar 2009
Posts: 294
OP
Mudrunner
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I replaced the tensioner with in the last year. No cheap date either...and quite the pain in the ass to change.
If its bad, I want a refund.
1989 Raider SWB Auto 3.0L...It's ALIVE!
Currently on a shakedown cruise...
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