C4 Tech/Performance L98 Corvette and LT1 Corvette Technical Info, Internal Engine, External Engine

Lower Ball Joint Removal

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Old May 30, 2013 | 12:21 PM
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Default Lower Ball Joint Removal

I'm rebuilding the front suspension on my 85 with new ball joints tie rods and bushings. The only snag I've run into is separating the lower ball joint from the lower arm. Does the ball joint have to be pressed out and a new one pressed in?
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Old May 30, 2013 | 01:24 PM
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yes they are press in
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Old May 30, 2013 | 01:42 PM
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You might want to consider getting a rebuilt lower control arm. They would come with new bushings and ball joint. Would cost more, but save you time and maybe aggrevation.
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Old May 30, 2013 | 02:41 PM
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Use a 6" 3/8 bolt and a coupler. With one end on the opposing ball joint stud, unscrew the coupler after loosening the ball joint nut. The joint will separate easily.



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Old May 30, 2013 | 03:36 PM
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383vett.. Nice setup for removal... .. Is there an easy way to get the new one on.... Can I just place the new one in and draw it in by tightening the nut?? Or do I need to buy a special tool to press it in??

Thank you
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Old May 30, 2013 | 05:20 PM
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Originally Posted by Speedjester
383vett.. Nice setup for removal... .. Is there an easy way to get the new one on.... Can I just place the new one in and draw it in by tightening the nut?? Or do I need to buy a special tool to press it in??

Thank you
great idea!
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Old May 30, 2013 | 05:28 PM
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Are you talking about seperating the ball joint from the knuckle, or removing it from the control arm? 383Vette's method will get it out of the knuckle, but a proper ball joint press is needed to get it out of the control arm.
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Old May 30, 2013 | 05:45 PM
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Most auto machine shops have the set-ups to press ball joints in/out of the control arms. Assuming you pull the arms ands bring them to the shop - the prices are typically quite reasonable. I think I paid $40 or $50 to have old ball joints pressed out and new ball joints pressed in.

To do the job correctly - you not only need the press, you also need the adapters for supporting the arm and applying the load to the ball joint itself.

Years ago - I tried it myself, but I didn't have the correct adapters, so I tried pressing on the ball joint stud itself. I drove the stud through the bottom of the ball joint, but the ball joint itself didn't budge. At that point I decided that the $$$$ spent at the machine shop was actually quite reasonable.
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Old May 30, 2013 | 05:57 PM
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I have a Oem ball joint remover and press(like a large c clamp) . I have used it on my older cars... But it's not very heavy duty... Would I need a a special one for the c4???
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Old May 30, 2013 | 07:29 PM
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Originally Posted by Kubs
Are you talking about seperating the ball joint from the knuckle, or removing it from the control arm? 383Vette's method will get it out of the knuckle, but a proper ball joint press is needed to get it out of the control arm.
I need to get the ball joint out of the control arm. I have the knuckles and lower control arms out and sitting on the bench. It was pretty easy to separate the ball joints from the knuckles.
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Old May 31, 2013 | 10:07 AM
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Getting them out is fairly easy....getting them back in is a much different story. The FSM shows the c-clamp press for it. All the replacement ball joints seemed oversized.
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Old May 31, 2013 | 10:34 AM
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Originally Posted by Streamline
Getting them out is fairly easy....getting them back in is a much different story. The FSM shows the c-clamp press for it. All the replacement ball joints seemed oversized.
Looks like I'll be taking them to a local suspension shop to have them pressed in. Thanks for the reply.
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