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Unread 10-23-2013, 01:55 PM   #1
johnpartington6
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1998 ZJ 
 
Join Date: Oct 2013
Location: Stranraer, Dumfriesshire
Posts: 4
Starter Motor issue

I replaced the original starter motor on my Grand Cherokee 2.5 diesel with a non 'jeep' replacement but it always made a strange whirring sound when starting and the motor only lasted a few months, assuming a bad motor I replaced again with non jeep and the same happened. Has anyone had this problem or can anyone confirm that 'jeep' starter motor only is suitable and why?

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Unread 10-23-2013, 02:37 PM   #2
WJ4x4LIFE
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Quote:
Originally Posted by johnpartington6 View Post
I replaced the original starter motor on my Grand Cherokee 2.5 diesel with a non 'jeep' replacement but it always made a strange whirring sound when starting and the motor only lasted a few months, assuming a bad motor I replaced again with non jeep and the same happened. Has anyone had this problem or can anyone confirm that 'jeep' starter motor only is suitable and why?
Aftermarket parts are aftermarket which in turn are not exactly OEM, granted. However you will sometimes more than not get a fairly decent part from your local parts store. I have to say that unless, the retail aftermarket starter's gear was not aligned properly or gear housing damaged, issues can arise. To answer your question. However, I have to say, the same issue has arisen before in a Jeep Liberty 2.5L LTD, closes thing I have over here. When this happened to me at work, I just ordered a factory starter and ate the difference to help the customer out. Rather this is helpful or not, I gave it a shot. Unfortunately, I do not have anymore information, but will research some more and get back.
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Unread 10-24-2013, 12:59 PM   #3
johnpartington6
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The aftermarket parts seemed to fit ok and flywheel seems ok as no metal shavings apparent when we removed them. The noise sounds like the starter is not disengaging quickly enough or something so maybe the OEM version is very slightly diferrent? I will try a cheap used OEM starter just to test the theory first without too much cost and will post here how I get on. Thanks.
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Unread 11-06-2013, 01:53 AM   #4
johnpartington6
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1998 ZJ 
 
Join Date: Oct 2013
Location: Stranraer, Dumfriesshire
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I have obtained a starter motor but it is made by 'bosch' is this an original jeep part ot aftermarket, if so who should the manufacturer be?
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Unread 11-06-2013, 04:55 AM   #5
coralman
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I could be wrong but I think it was denso or mitsubushi. Don't quote me on that one.
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Links to axle rebuilds, mount replace,a/c box rebuild,ect in history section of my profile page
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Unread 11-12-2013, 01:37 PM   #6
johnpartington6
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1998 ZJ 
 
Join Date: Oct 2013
Location: Stranraer, Dumfriesshire
Posts: 4
Can anyone confirm if the starter motor should have 9 or 11 teeth? The car is 2.5 diesel and was manufactured 1998/1999.
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