SOURCE: repalce ball joints 01' Chevy Blazer 4WD
you should just be able to loosen the half shaft and be ok that way
SOURCE: replace lower ball joints on a 2000 chevy blazer 4
Raise vehicle up on jack stands so that the stands are under the lower controll arms and the suspension is "loaded" Remove the front tire(s) (if you break the torque on the nuts while the wheel is still on the ground it helps, but do not loosen them completely as you will be looking for new rims and wheel studs too). Place a drift or some other suitable object in one of the brake rotor vanes so that it will hit the brake caliper and stop the rotor from moving and remove the CV shaft nut (it's a big ****** make sure you have the right socket on hand before getting to this point). Next remove the brake caliper and rotor then undo the wheel bearing retaining bolts and remove the wheel bearing. This should give you enough room to move the axle shaft back and up so you can work on the ball joint. If you've had ball joints replaced before just unbolt the ones that are installed and using a pickle fork, or a block of wood and a hammer, drive the ball joint stud from the knuckle. (make sure to support the upper control arm so it doesn't drop down on you when you do this) If you are working on original ball joints then I reccomend placing a block of wood or something else that will protect the cv boots from drill bits ect and drill out the rivets holding the ball joint in place. then remove in the same manner indicated in the previous paragraph. installation is pretty much the reverse of removal and don't forget to torque your cv shaft nut I have a 1999 and the manual specs 103FTlbs... This is a critical torque as it helps preload your wheel bearing. Too high and you'll burn them up, too low and they'll be loose and wear out.
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SOURCE: what is the process of replacing the upper ball
If you are replacing with new....you have to grind off the old if it is rivited in...to install...it's new hardware and it is BOLTED in. No special tools.
SOURCE: steering loose on 1994 chevy 4x4
check the idler arm and pitman arms
a quik and dirty way to check for play in the front end
is to have an assistant rock the steering wheel back and forth while feel an all the joints in the steering gear for play.
there will likely be more than one loose joint.
SOURCE: how to change ball joints on 1994 chevy blazer
Changing the actual ball joints themselves is pretty easy (the replacements just bolt in), however disassembling everything else is very involved, especially if you have a 4x4. Some of the original equipment ball joints are riveted in, so you may need to drill out the rivets to remove the old ball joints. Some models have ball joints that are pressed in. (Your model should not be pressed in. They are either riveted or bolted if they have been replaced already) This is not a job I would recommend to someone who does not know how to do it. You need to disassemble/take tension off the suspension, disassemble the steering knuckles, etc. There are specialized tools you will need as well such as a pickle fork for breaking the knuckle away from the ball joint/A arm, spring compressor or torsion bar removal tool (depending on what your vehicle is equipped with), torque wrench, etc.
If you are set on tackling it anway, do yourself a favor and go to your local auto parts store and pick up a repair manual for your Blazer. It will have the procedure to step you through it, torque specs, and tool part numbers listed in it.
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