Testing Ball Joints
Not sure how the mechanics test them,other than causing suspension movement and looking for and measuring ball joint movement.
At home, jack up a front tire. Grab the top and bottom of the tire and do a push/pull on top and bottom of the tire, trying to get it to move. If it moves on that axis, chances are you need to replace your ball joints.
At home, jack up a front tire. Grab the top and bottom of the tire and do a push/pull on top and bottom of the tire, trying to get it to move. If it moves on that axis, chances are you need to replace your ball joints.
One way is to raise the front end from below the spring perch until the tire is around 4" off the ground. Then take a long pry bar and slip it under the tire from the outside and lift straight up on it. If there is any play in the ball joints, you will be able to see the wheel move. Having someone else work the bar (while you crawl in where you can see) helps. If one is bad, you might as well replace both since the other will go eventually and the labor is almost the same.
Originally Posted by Going_Going_Gone
One way is to raise the front end from below the spring perch until the tire is around 4" off the ground. Then take a long pry bar and slip it under the tire from the outside and lift straight up on it. ....
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When I went to get my front end aligned they just grabbed the tire on the top and bottom and muscled it! The other guy pointed at the bad joint and then told me that could fix it for $400!!! I bought my own, did the loan a tool from Advanced and did my own upper and lowed in under 2 hours. I think the prybar is the way to go on the testing though.
Originally Posted by lawngrease
When I went to get my front end aligned they just grabbed the tire on the top and bottom and muscled it! The other guy pointed at the bad joint and then told me that could fix it for $400!!! I bought my own, did the loan a tool from Advanced and did my own upper and lowed in under 2 hours. I think the prybar is the way to go on the testing though.
I assume the tool you borrowed from Advanced was a Ball Joint Press. Were you able to *install* the new ball joints with this tool? The ball joint press I borrowed from AutoZone did not have the correct cups/spacers to install the the upper and/or lower joint (removing the old joints was not a problem with their tool). So, one time I jerry-rigged something, the other time I just brought the knuckle over to the local machine shop and let them press the new joints in.
Thanks.
Last edited by Jim59; Feb 6, 2008 at 08:57 AM.
Originally Posted by Jim59
Under 2 hours??? You are the man!
I assume the tool you borrowed from Advanced was a Ball Joint Press. Were you able to *install* the new ball joints with this tool? The ball joint press I borrowed from AutoZone did not have the correct cups/spacers to install the the upper and/or lower joint. So, one time I jerry-rigged something, the other time I just brought the knuckle over to the local machine shop and let them press the new joints in.
Thanks.
I assume the tool you borrowed from Advanced was a Ball Joint Press. Were you able to *install* the new ball joints with this tool? The ball joint press I borrowed from AutoZone did not have the correct cups/spacers to install the the upper and/or lower joint. So, one time I jerry-rigged something, the other time I just brought the knuckle over to the local machine shop and let them press the new joints in.
Thanks.
Last edited by lawngrease; Feb 6, 2008 at 09:06 AM.
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