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Old 10-04-2006, 06:22 AM
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Suspension binding

Ran into something new last night.
My 68 Firebird has been hanging on jack stands for a few weeks now with out tires on the front. I put my new tires on last night to check clearances, dropped it on the floor and the drivers side A arms are locked extended. No matter what I tried I could not get them to budge. Even dropped the jack from several inches off the floor. The engine is still in so there's plenty of weight up front.

Any suggestions?

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Old 10-04-2006, 07:10 AM
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Did you change the bushings or anything? I dont know what could be binding it enough to keep it locked. You might raise it up and barely loosen the bolts holding the arms then lower the car and tighten them back up.
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Old 10-04-2006, 07:18 AM
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No, nothing has been changed. I pulled the wheels and brake calipers off a few weeks ago. It's just been hanging there.
Only thing I can see is it looks like the upper A-arm is touching the frame. But it's as if the Ball joints are locked. Strangest thing I've ever run in to.

If I can pick up a spring compressor today I'll try to relieve the pressure and go from there. I'm at a loss on this one.
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Old 10-04-2006, 07:24 AM
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I know when you change bushings, youre supposed to have the full weight of the car on it before you tighten them up or else it will usually sit much too high. So even though you didnt change bushings, it may still be binding similar to this same way. Id try loosening the bolts with it in the air and then lower it and see if it helps.
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Old 10-04-2006, 12:16 PM
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Usually when you let the front suspension hang down, it will make the front end sit higher.

Usually the suspension will settle with normal driving.
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Old 10-04-2006, 01:48 PM
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Car is not driveable and unfortunately this isn't a case of the suspension settling back down. It's locked fully extended. Kinda looks like a gasser now.

Got a spring compressor to try, also going to pull the shock. Maybe that's binding it, they are old.
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Old 10-04-2006, 01:54 PM
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Stranger things have happened lol. Let us know what ya find.
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Old 10-05-2006, 01:51 PM
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Did the springs hang up in the pockets?
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Old 10-09-2006, 06:21 AM
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Well, I'm not sure exactly what was binding but I got a good idea now. I took the shocks loose (didn't help) and depending on where I placed the jack the A-arms would either bind or move.
I pulled the a-arms off and the lower bushings were a little worn but it looks like as the upper A arm moved over the spring perch the frame stop would snag the A arm since the upper stop bumper was missing. There isn't much clearance between the arm and frame when it's fully extended.
I guess that's another reason why people use stop bolts to limit A-arm travel. I'd heard of suspension bind but never seen it until now. I'd hate to have had that happen coming off the line hard.
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Old 10-09-2006, 10:29 AM
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Aint that the truth lol. At least ya found it...
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