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Jeep Wrangler TJ
TJ General Discussion
Should I replace my unit bearings?
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<blockquote data-quote="Quigley" data-source="post: 728081" data-attributes="member: 10306"><p>I think it depends on if you want to tackle it now and whether or not you do the work or you have a shop do it. With 150k I'm sure everything is about due for a replacement. I went to replace my rotors and brakes and was checking the u-joints and unit bearings for play when I decided to just go a head and replace the u-joints, unit bearings, and ball joints. My jeep had about 130,000 miles at the time. Jack up the wheel and grab the tire from the 9 and 3 o'clock position and shake it. If it's loose it's usually tie rods... grab the wheel from the 12 and 6 o'clock position and shake and it's usually ball joints that allow wiggle. Spin the wheel and listen for metallic grinding sounds. Could be brakes if you hear it towards you or unit bearings if it's sounds further in. You can also run your hand across the rotor and feel for irregularities bumps and rough spots. Only really special tools needed are a 36mm socket, big C clamp to compress the calipers if needed. A 4wd ball joint kit. I bought mine from harbor freight from under $40, Jack and jack stands. 3/8 drive sockets, and breaker bar or use an impact wrench save yourself lots of time. Just guesstimating but having a shop do all that would be probably well over a grand.</p></blockquote><p></p>
[QUOTE="Quigley, post: 728081, member: 10306"] I think it depends on if you want to tackle it now and whether or not you do the work or you have a shop do it. With 150k I'm sure everything is about due for a replacement. I went to replace my rotors and brakes and was checking the u-joints and unit bearings for play when I decided to just go a head and replace the u-joints, unit bearings, and ball joints. My jeep had about 130,000 miles at the time. Jack up the wheel and grab the tire from the 9 and 3 o'clock position and shake it. If it's loose it's usually tie rods... grab the wheel from the 12 and 6 o'clock position and shake and it's usually ball joints that allow wiggle. Spin the wheel and listen for metallic grinding sounds. Could be brakes if you hear it towards you or unit bearings if it's sounds further in. You can also run your hand across the rotor and feel for irregularities bumps and rough spots. Only really special tools needed are a 36mm socket, big C clamp to compress the calipers if needed. A 4wd ball joint kit. I bought mine from harbor freight from under $40, Jack and jack stands. 3/8 drive sockets, and breaker bar or use an impact wrench save yourself lots of time. Just guesstimating but having a shop do all that would be probably well over a grand. [/QUOTE]
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Jeep Wrangler TJ
TJ General Discussion
Should I replace my unit bearings?
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