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Unread 05-07-2009, 04:39 PM   #16
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1930 J-Series Truck 
Join Date: Mar 2009
Posts: 318
DO NOT FLUSH THAT ENGINE WITH ANYTHING BUT REGULAR MOTOR OIL. Using a flush could wash your bearings then you will have noises, & not good ones.

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Unread 05-07-2009, 07:30 PM   #17
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1998 ZJ 
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Location: Stamford, CT / Rochester, NY
Posts: 4,546
A flush won't trash the bearings if used properly, ie. engine not run above idle and only run for a few minutes. Personally, I would rather the ATF method mentioned previously, as that or any other very good detergent oil will clean it out plenty well.
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Unread 05-07-2009, 07:35 PM   #18
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1998 ZJ 
Join Date: Apr 2009
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May give the flush a try after I replace the gasket. I ordered the stuff today. Is it safe to drive the car if I keep adding oil to it? I very much rely on it for my transportation.

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Unread 05-07-2009, 08:31 PM   #19
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1998 ZJ 
Join Date: Feb 2006
Location: Northern Indiana
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Yep, just watch the oil level.

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