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You change the control arms, upper and lower. The ball joints are manufactured into the control arms.
The lower ball joints have to be pressed out. The upper ball joints are part of the control arm, so the complete upper assembly has to be replaced.
You have to replace the whole control arm on front upper ball joints in that particular vehicle.
The ball joints are riveted or pressed into the upper and lower control arms, then the spindle is bolted to the ball joints.
I believe on the 4 x 4 , with the torsion bar suspension , the upper ball joints are part of the control arm and the lower ball joints can be replaced separately or with a new control arm The 2 wheel drive , with the coil spring front suspension , the upper and lower ball joints can be replaced separately
You can replace just the ball joints on the lower control arms , but the upper ball joints come with a new control arm
replace the upper control arm and take it to aligment shop it will be the right process
near the front wheels on the upper and lower control arms
They would be connected to two control arms, one upper control arm and one lower control arm.
The upper ball joints must be replaced with the upper control arms but the lower ball joints can be replaced seperately. NOTE: THE BEST WAY TO GET THEM OUT IS TO KNOCK THEM OUT WITH A 3LB MINI SLEDGE HAMMER FROM AUTOZONE. According to my Haynes repair manual it states that 1995 and newer models upper and lower balljoints are not removable or serviceable. If a balljoint is damaged or worn, replace the control arm.
ball joints upper and lower control arm
The upper ball joints come with a new control arm , as far as I know you can't just change the balljoint ( if that's what you are asking ? )