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Author Topic: Belt squeal on XJ  (Read 2477 times)

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eddscott

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Belt squeal on XJ
« on: November 16, 2010, 11:50:56 AM »

Since its got cold, when I first start my XJ theres a belt that squeals like mad for a bit - I guess it just needs tightening?  Can I get some advice on how to sort it? 


In other news, the noise like a flock of birds under the XJ has disappeared and after a few unsuccessful attempts, after waiting for everything to get nicely up to temp, I finally managed to get the transmission into 4WD and not get stuck in PT4WD :)  Which was nice  :)
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Dave69

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Re: Belt squeal on XJ
« Reply #1 on: November 16, 2010, 08:09:39 PM »
there is a belt tensioner near the alternator that takes up most of the strain but the major adjustment i believe is done by moving the alternator.

the more you swap between P4WD and 2WD the easier it gets
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XJ 2.5 diesel - dead. XJ 4.0 6" lift - sold to some lucky person
CJ7 4.2 auto standard(ish)
Alfa 147 jtdm

Bishops Finger

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Re: Belt squeal on XJ
« Reply #2 on: November 16, 2010, 09:40:37 PM »
TJ does it lots..think tensioner needs a tighten...16mm not so shiny socket  possibly...
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eddscott

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Re: Belt squeal on XJ
« Reply #3 on: November 17, 2010, 10:40:10 AM »
Thanks chaps.  Only does it when its really cold.  Its wet today but warmer and is quiet.

Dave69 - It's happy to move through the settings, but only when its thoroughly warmed up.  When cold it won't go into 4WD - gets stuck in P4WD. With the slippery conditions its like having a new car when its in 4WD - although perhaps not quite as exciting on slippy roundabouts :)
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gazjeep

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Re: Belt squeal on XJ
« Reply #4 on: November 17, 2010, 01:20:39 PM »
Presuming its the 4.0, just leave it in full time 4WD, fuel economy is 1 mpg worse than 2wd & for me it just drives a whole lot better  :003:
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Taking ya girl to heaven & back

KenH

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Re: Belt squeal on XJ
« Reply #5 on: November 17, 2010, 02:38:30 PM »
I'd say leave it in 4WD. I don't get any real fuel penalty in mine for doing so and the drive is so much better for it. I've also found that after doing this for a month or so it shifted happily between 4 and 2WD much more happily. Never had that issue on the other XJ but this one took a while to settle down a bit.

BTW - anyone know how to get the dash off so I can put a new light in for the full time :). Done the foggies and switch but can't see an obvious way into the dash for that one..... unless it all just pops off again :)

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Dave69

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Re: Belt squeal on XJ
« Reply #6 on: November 17, 2010, 08:56:23 PM »
mine did have the same problem as it wouldn't go past P4wd so it was a case of luck when used but the more i tried the easier it swapped the drive selection. just persevere with it
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XJ 2.5 diesel - dead. XJ 4.0 6" lift - sold to some lucky person
CJ7 4.2 auto standard(ish)
Alfa 147 jtdm
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