Loud Whirrling/Whooshig sound??? - JeepForum.com

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post #1 of 4 Old 11-02-2005, 08:44 AM Thread Starter
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Loud Whirrling/Whooshig sound???

I have a 99 Grand Cherokee Laredo that is making a lound whirrling sound - I think it is coming from the back of the truck. It gets louder at speed and I can't hear it at idle......what would this be? Wheel bearing?

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post #2 of 4 Old 11-02-2005, 08:46 AM
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Its your turbo and blow off valve
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post #3 of 4 Old 11-02-2005, 08:53 AM
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Ignore previous poster. It's probably the rear axle. I would have it checked to ensure it's setup correctly. The rear of my 99 blew at 55,xxx miles, so it had to have been messed up from the factory. I wasn't hard on it and it was always noisy and the dealer wouldn't fix it. Oh well.

1985 1 ton K-5, Detroit diesel, 36" tires (going bigger when money permits), 4-speed manual swap, Rockwell T-case, Hybrid lift, 12.5K winch.
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post #4 of 4 Old 11-02-2005, 01:59 PM
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That's that great dana 35 axle whine. will need at the least carrier and pinion bearings. And maybe a ring and pinion. Sorry to tell you this but it's fact and not fiction!!!!!!!!
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