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Unread 04-20-2007, 12:51 AM   #1
kitch
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Join Date: Apr 2007
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Serpentine belt

Hello fellow Jeep owners. I知 new to Jeep having owned my Cherokee (UK) 3.7 LTD for 1 week now, I知 very pleased. But the serpentine belt is shredding with bits wrapping them selves around the fan. I have removed all the bits and the belt is still attached but only about 2/3rds of its normal width. Now I知 no mechanic is replacing the belt an easy DIY job or does it need special know how?

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Unread 04-20-2007, 06:27 AM   #2
JSlack
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Quote:
Originally Posted by kitch
Hello fellow Jeep owners. I知 new to Jeep having owned my Cherokee (UK) 3.7 LTD for 1 week now, I知 very pleased. But the serpentine belt is shredding with bits wrapping them selves around the fan. I have removed all the bits and the belt is still attached but only about 2/3rds of its normal width. Now I知 no mechanic is replacing the belt an easy DIY job or does it need special know how?
If it's the same 3.7 configuration as mine, it's very easy once you know how to DO it. I had this same question just yesterday, and luckily was able to find it on another website. (actually a combination of several websites)

So here's how you do it. As you face the engine, there should be a diagram under the hood on the radiator apron showing the serpentine belt routing. On that diagram, it ought to point to a specific pulley on the lower left-hand side of the engine (as you face it) that is the tension-release pulley. If you don't have this diagram, it's the small pulley that is as far down and to the left as you can get (as you face it), not the smooth one, the one with grooves. Put a 15mm socket on that pulley and exert CLOCKWISE torque. If your auto-tensioning pulley assembly is working properly, that pulley will rock inboard and will relax the tension on the belt enough for you to slide it off.

This is all contingent, of course, on you having the same engine and auto-tensioning assembly configuration. Good luck!
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Unread 04-20-2007, 06:28 AM   #3
JSlack
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Oh...right. I think the Liberty IS the Cherokee in Britain... Ooops!

Yes, this is the correct method for you, then.

Also, if your serp belt is shredding, it might behoove you to do a proper inspection of your pulleys to make sure they don't have any jagged edges that might be shredding your belt. I've heard some folks say that the tensioning pulley has a tendency to crap out and ruin belts.
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Unread 04-20-2007, 07:13 AM   #4
valvestem
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Unread 04-20-2007, 07:22 AM   #5
BVCRD
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If this happened here in the USA one week out of dealership, the service dept. would have it back on their doorstep making thing right. With or without friendly persuasion.
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Unread 04-20-2007, 07:57 AM   #6
kitch
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Thanks for the responces, unfortunatley is a used jeep bought privatley so I have no come back. I found a local(ish) specialist who changed the belt in minutes. But half a mile down the road it snapped. So it seems to be a pully problem which the garage is now looking into. Hope this is only small teething problem.
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Unread 04-20-2007, 08:00 AM   #7
JSlack
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Quote:
Originally Posted by kitch
Thanks for the responces, unfortunatley is a used jeep bought privatley so I have no come back. I found a local(ish) specialist who changed the belt in minutes. But half a mile down the road it snapped. So it seems to be a pully problem which the garage is now looking into. Hope this is only small teething problem.
I sure hope so too! Good luck.
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Unread 04-20-2007, 01:00 PM   #8
kitch
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new pulley has been ordered, hope its not too expensive.
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