Question about 2008 Jeep Cherokee Grand

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Motor oil gets dirty quickly after a change. Also a loud whining noise increases as speed does. 2008 Grand Cherokee w/ only 25K miles. Thanks

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Any number of things could be wrong internal to the engine, probably a bad bearing. In any case, it really doesn't matter as the truck should be covered by warranty. Take it in to the dealer and have them take care of it.

If you don't trust them, have your oil analyzed by a lab. You may have one locally or you can send it in to somebody like Amsoil for a bit over $30 for the service.

Posted on Oct 05, 2009

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