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Old 03-06-2003, 09:37 PM
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Join Date: Apr 2002
Location: Calgary, Canada
Posts: 164
Do I need new ball joints on my W140

Had the S320 (1995) at the dealer the other day for an oil change. They said that the "Ball joints are starting to wear, and should be replaced".

What sypmtoms would/should be present if they are actually starting to wear, and how soon should I take care of this?

Also, is this a DIY job? Biggest thing I've done before is rear brakes and rotors...

Thanks much

1995 S320
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Old 03-07-2003, 08:48 AM
it leaks, its german
Join Date: Mar 2002
Location: raleigh nc
Posts: 1,111
Generally the joint boots split, let water and dirt in which grinds the nylon "buckets" to dust. Or it simply wears the nylon over the years. Jack the car up by the lower arm until the tire is a couple inchs off the ground, take a long bar and lift the tire while watching the joint for up and down movement, more that a 1/8"? Time to consider replacement. Also take a smaller bar and check for lateral deflection while the lower arm is still loaded. 140's are MUCH more inclined to hammer out the caster bushings than lower joints, pretty much every one I've seen with bad lower joints also had the old haunted house creak when bounced. Upper joints will do the same along, these are replaced with the updated upper arm in pairs.

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