Squealing noise

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Feb 12, 2019 | 04:02 PM

#16

01xj21

Thread Starter

Newbie

Joined: Oct 2016

Posts: 22

Likes: 0

Model: Cherokee

I got the stethoscope but it didn’t help. Every thing sounds fine with the stethoscope. The noise doesn’t change with acceleration. Please look at the video and give me some ideas because I have no idea at this point.

Feb 12, 2019 | 04:47 PM

#17

Morat

CF Veteran

Joined: Jan 2010

Posts: 1,456

Likes: 74

From: North Riding of Yorkshire, UK

Year: 1997

Model: Cherokee

Engine: 4.0

Quote:

Originally Posted by PatHenry

The tensioner on all LEFT HAND DRIVE XJ's is at the power steering pump as I've been told.

Is your 99 a GRAND cherokee? The modified block I6's in 99+ GC's and 00+ Wranglers definitely used a spring loaded tensioner.

Just in case

Feb 12, 2019 | 04:52 PM

#18

Morat

CF Veteran

Joined: Jan 2010

Posts: 1,456

Likes: 74

From: North Riding of Yorkshire, UK

Year: 1997

Model: Cherokee

Engine: 4.0

Quote:

Originally Posted by 01xj21

The alternator didnt solve the problem. I posted a youtube video with the noise that i am getting. Here is the link https://www.youtube.com/watch?v=u2hTd2vQYVI
please lmk what you guess think or have any suggestions.

Try spraying WD40 or similar on each pulley/bearing in turn while the engine is running. Hopefully one of them will go quiet. Be careful of the moving belt!

Feb 12, 2019 | 05:03 PM

#19

PatHenry

CF Veteran

Joined: Nov 2017

Posts: 3,700

Likes: 238

From: Groton, MA

Year: 1995

Model: Cherokee(XJ)

Engine: I6 4.0L

Quote:

Originally Posted by Morat

Just in case

Morat, where is the tensioner on the RHD models? (I suppose I could just consult my FSM, but it's easier to just ask..

)

Feb 12, 2019 | 05:23 PM

#20

01xj21

Thread Starter

Newbie

Joined: Oct 2016

Posts: 22

Likes: 0

Model: Cherokee

Quote:

Originally Posted by Morat

Try spraying WD40 or similar on each pulley/bearing in turn while the engine is running. Hopefully one of them will go quiet. Be careful of the moving belt!

tried this the other day. Didn’t do anything everything stayed the same.

Feb 13, 2019 | 01:04 PM

#21

gat

Senior Member

Joined: Mar 2016

Posts: 621

Likes: 9

From: Oklahoma

Year: 1992

Model: Cherokee

Engine: 4.0L L6 PowerTech (stock)

What device are you using to tension the belt and to what tension are you achieving? When you removed the belt did you test for play/slop in every pulley? It is either a pulley or the belt.

How many cracks per inch in the belt? Have you simply tried a different belt? Some belts are less and some belts are more noisy. You can research to find a belt that is supposed to be quieter. I believe that tension is supposed to be 160 lbs old and 180 lbs new. I always struggle to retention correctly and I use a Kricket tension gauge.