Question about 1998 Ford Expedition

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Clunking noise coming from under vehicle when coasting. doesnt feel like a suspension problem....u joints seem ok, and it is a 4x4.vehicle is 1998 ford expedition eddie bauer.

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  • joe117 Mar 23, 2009

    The clunking noise is very inconsistant and random. it is definitley coming from the front. usually happens when going about 25-35mph. however, sometimes it will go days without making a sound. sometimes it is louder than others. It kinda seems like the four wheel drive might be wanting to engage. it's kind of a thumping sound like something might be trying to grab.

  • gerry bissi May 11, 2010

    need more descirption of issue. intermittent, loud, metallic, front rear, wheel speed?

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Check your axle joints for play worn joints will make noise

Posted on Jul 03, 2010

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Check all u-joints And axle shafts

Posted on Mar 24, 2009

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Make sure its out of four wheel as to eliminate that. listen to see if its in the front or back of the truck. need to narrow the search. let me know

Posted on Mar 21, 2009

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Clunk when coming to a stop


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I have 2005 Cadillac SRX 86,000 Miles. I hear a grinding noise when I accelerate and feel a bump when driving on hyway, No sound when coasting, stoping or ideling which to me would eliminate engine or...


Grinding on acceleration, rhythmic thump on the highway... might be a bad u-joint in a CV shaft or rear drive shaft. Put the transmission in neutral, put blocks in front of the front wheels jack up the back end of the vehicle and put jackstands under the frame (do not rely on the jack alone to hold it up!). Turn the rear wheels by hand while listening and feeling for slop or roughness. Crawl under the vehicle and check for play in the drive shaft bearings, then rotate the drive shaft by hand to check for rough bearings in the u-joints. Inspect the fender wells and suspension linkage for foreign objects that may be rubbing or bumping on the wheels. Inspect the tires for uneven wear, incipient blowouts (blisters) or other problems.
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I have a noise coming from the front strut area. It only happens when the car is moving and turning. Everything seems to be tight underneath and the CVs are ok. Maybe strut tops but it is hard to tell as...


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It's hard to tell, from your description, as to the extent of the clunking.
If it seems to only and constantly occur whenever in forward motion, bumps or not, then I would first check your rear differential, (if 4x4 then your front differential as well).
Check fluid level(s) and if okay, remove cover and check for worn gears and any metal shavings on the magnet on bottom of housing.

Worn gears can toss your vehicle around, any make stomach turning clunks and other awful noises. I've recently replaced a front differential on a 1994 Dakota. It would make same clunks as you describe and a few times would make my back end seem to 'hop' while driving highway speeds. I would check this quickly.

If it only seems to happen over bumps, then your guess on engine mounts or bushings is probably the best guess.

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1 Answer

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vbninja E.A.P

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1 Answer

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5 Answers

When turning steering wheel full left and full a noise appears


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Suspension?


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