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-   -   Ball joint (http://www.diychatroom.com/f46/ball-joint-175313/)

bostonwindows30 03-23-2013 02:42 PM

Ball joint
 
I have a 99 chevy blazer 4x4 v6 and both bottom front ball joints need to be replaced, they have rivets on them, any ideas?????

TheBobmanNH 03-23-2013 02:53 PM

Those Blazers hav ea pretty passionate fan base, there's problem a forum devoted to Blazers out there :)

r0ckstarr 03-23-2013 06:18 PM

You have to grind the heads off of the rivets, and then knock the shaft of the rivet through to the other side once the head is ground off. Depending on what brand of ball joints you get, they should come with new bolts to bolt the new ones in place.

I had both an '85 and a '91 Blazer (obviously different body style than yours), but that's how I had to do mine.

bostonwindows30 03-23-2013 06:28 PM

So grind heads first then try to knock out the rest with hammer and something sharp ????

r0ckstarr 03-23-2013 06:41 PM

Quote:

Originally Posted by bostonwindows30 (Post 1144136)
So grind heads first then try to knock out the rest with hammer and something sharp ????

You want to put the vehicle on jack stands and support the Lower Control Arm with a jack. When the ball joint breaks loose, the force of the suspension spring can seriously hurt or kill you. The jack will be to keep the LCA from swinging down once the ball joint comes free. Once it is free, you can slowly lower the jack to let it down. I don't know your how much experience you have working on cars, so I feel that it's safe that I mention the danger. A spring compressor may be needed to put the spring back in.

Here's a video showing the grinding of the rivets.
http://www.youtube.com/watch?v=C5M9w7MFhM4

I also suggest what was said in the 2nd post of this thread.

ddawg16 03-23-2013 06:53 PM

Boston....having done it a few times.....your getting some real good advice there.....

It's actually real easy...once you dive in....but please follow the above advice....take your time and save the beer for when the project is done and your admiring your work.

bostonwindows30 03-23-2013 07:13 PM

Mine is the lower ball joint, the rivets are on top and bottom

r0ckstarr 03-23-2013 07:15 PM

Quote:

Originally Posted by bostonwindows30 (Post 1144169)
Mine is the lower ball joint, the rivets are on top and bottom

The lower control arm will be holding the force of the suspension spring.

bostonwindows30 03-24-2013 05:17 AM

Should I try to drill it out, first?? And what size drill bit do I need???

r0ckstarr 03-24-2013 05:25 AM

Do you have any friends that have done this before? I'd really hate to see you get injured.

I suggest you watch some Youtube videos over the procedure to get more familiar with it. Just search for "ball joint rivets".

bostonwindows30 03-24-2013 05:28 AM

I am pretty much mechanically inclined I have just rebuilt a 1500 chevy truck everything done myself put about 5k into it, but this ball joint is something new to me, just getting ideas before I tackle this...

Fix'n it 03-24-2013 12:14 PM

iirc, you don't have "springs". you have torsion bars.

r0ckstarr 03-24-2013 12:38 PM

Quote:

Originally Posted by Fix'n it (Post 1144665)
iirc, you don't have "springs". you have torsion bars.

The same principal still applies, but won't don't need a spring compressor.

ddawg16 03-24-2013 12:40 PM

Most torsion bars have an adjustment....hence, crank it all the way down to min to reduce the torsion.

Bigplanz 03-25-2013 05:33 PM

The shop manual says drill a pilot hole with a 1/8 inch bit in the rivet, then drill out the rivet head with a 1/2 inch bit. Using a low RPM, high torque drill will help.


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