LCR front bolts - Chevy Impala SS Forum
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post #1 of 19 (permalink) Old 03-05-2002, 08:00 AM
Tony D
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Red face

does anyone have a tip or tool to remove the front frame bolts for the rear control arms?
the bolts spin freely but dont back out

I like a good challange, but there's no access for my sledge(dual exhaust)on one end
and the head is inside the frame on the other

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post #2 of 19 (permalink) Old 03-05-2002, 11:28 AM
Erik
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Box wrench on one side, torque wrench with 6 inch extension through the hole in the frame on the other. Worked for me.
post #3 of 19 (permalink) Old 03-05-2002, 12:08 PM
Tony D
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Thanks Erik,...I've got the nut off, But how did you get the bolt to pull out??
 
post #4 of 19 (permalink) Old 03-05-2002, 12:41 PM
Erik
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Once I got the control arm off, it just pulled out along with the socket and the extension. I don't remember having any real problems getting the control arm off or the bolt out (maybe I pushed it into the frame, through the control arm, from the outside?), but I think it was a little dicey getting the bolt the rest of the way out without dropping it inside the frame (I may even have dropped it and been able to sneak it out with two fingers, I don't really remember). I think if I was doing it now I'd try wadding up a little duct tape inside the socket to help it stay in there. Good luck.
post #5 of 19 (permalink) Old 03-05-2002, 12:46 PM
Erik
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Actually, now that I think about it more, I'm pretty sure that what I did to get the bolt out of the control arm was use my 3/8" extension as a drift to drive the bolt part of the way out and into the frame and then push it the rest of the way through with my finger while using the 1/2" extension and socket to guide it out the rest of the way from the other side. I don't think it took a lot of effort to drive it out, but you can't get a straight shot at it.
post #6 of 19 (permalink) Old 03-05-2002, 01:23 PM
Tony D
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Question

Tell me about not being able to get at it, I've put my flat bar on the it and tried to hit it with my 3 pound sledge but the sucker won't back out.I dont get it, the bolt's got enough play in it to move around. same thing on both sides too.
at this point brawn isnt gonna do it, so I was hoping brains will get it out or remove the welded exhaust to gain access for the sledge??
sounds like a good time to get that borla installed ,-maybe the wife will buy that story...
post #7 of 19 (permalink) Old 03-05-2002, 05:14 PM
XWrench
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Tony,

Sounds like the bolt is seized to the inner bushing sleeve, common in areas where road "chemicals" are used. Spray it with lots of your favorite rust penetrant and drive for a few days. If that doesn't do it, repeat step 1. A couple tries ought to get her loose. Otherwise, one trick is to heat the bolt up until cherry red, and let it cool down. That may knock the rust loose inside the sleeve.

Hope that helps.

Mark
post #8 of 19 (permalink) Old 03-05-2002, 07:56 PM
Erik
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I don't remember having this much trouble with mine. Maybe it's the same kind of forgetfulness that made me have more than one kid. If the bolt's got enough play in it to move around, it should come out. Does it rotate inside the control arm or is it just that the whole assembly moves around. If the latter, maybe you can break it free with the socket from the other side (that is, get it to start rotating) and it will come out after that. Alternatively, can you get a C clamp on it and use that to drive the bolt out? Or a gear puller? If I'm picturing it correctly, I think you could get a C clamp in there (although not quite square), with the top of the clamp against the frame and the screw against the bolt and press the bolt part of the way at least.
post #9 of 19 (permalink) Old 03-05-2002, 08:59 PM
95wagon
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Tony, do you by any chance have the diff hanging? If so you may have the bushings bound up. With the car at normal ride height the angles are such that there is little load on the bushing. If you have the diff hanging this maybe your problem. If you are up on stands remove the springs so you can lift the diff up with a jack. This may make things easier for you. Gerry
post #10 of 19 (permalink) Old 03-06-2002, 06:35 AM
Tony D
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Thumbs up

Gerry i should have mentioned i already removed the rear LCA bolts from the diff and the arms are flappin' freely...(those were tight as well, but I at least had some access to drive them out).
I'm gonna try what Mark has suggested,...
this car has seen alot of chemicals and that bolt is probably seized to the steel sleeve.
and Erik, good suggestion with the "C" clamp, I had a few around so I had already given that a try - but still no luck. I have also checked with the local counter dude's to see if there was a cool tool for this application but they all just scratch there heads.
thanks all,
Tony
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