Front Suspension Question

C

Chris Wilson

Active member
Guys, I just picked up a 93 Explorer to use while working on the LIghtning. This little Explorer has some issues I'm sorting out to get it dependable. It has the same twin I beam that our trucks have so I figured you could offer me some suggestions. I have a pretty significant shake at 65-75 mph on the highway. I've been through the front brakes already. New Rotors and pads. They are fine now. I've had the shocks off and they are still charged. I've had it on Jack stands and inspected all the bushings and they all look good. I've yanked on everything under it and everything seems tight. The right radius arm bushing has been replaced with a urethane one. The left one is rubber but appears to be ok. Would this make a difference? My dad drove it and immediately said tires. I took it to Tire Kingdom and they rebalanced everthing. The Wrangler RTS's only have about 5k on them. They are wearing fine. One took too much weight so I had them move it to the spare and put the new Spare on the right front. It didn't change a thing. I'm kind of at a loss on this and they didn't find anything that would account for the shimmy/shake that it has. This Exp. has 125k on the odometer, but it runs good and everything works.

Any suggestions would be appreciated. I think I'm going to replace the left radius arm bushing on Sunday and see if maybe that is the problem.

Thanks,

Chris
 
Did you check the U-joints? My truck has a similar problem, except it felt like the front end was gonna fall off. everything shaked...dash, side mirrors, steering wheel, doors. So far I've narrowed it down to bad tires. But anyway, one thing that was suggested to me is the rear ujoint.
 
It's a manual tranny, so there are no torque converter problems. I didn't think to check the Ujoints though. I'll do that tonight. It doesn't do it at slower speeds. Isn't really noticeable in the steering either. More in the seat of the pants really.
 
My daily beater is a 93 Explorer too. Do you have 4X4? If you do then Im affraid to say thats just a flaw of the vehicle. All the 4X4's do it and you can even buy an aftermarket part that stabilizes the front differential. I just put up with it and drive 80 ;)
 
Tires are all in pretty good shape, Wrangler RTS's with about 5k on them. I watched them spin them and they weren't perfect, but not bad enough to account for this. There is no run out to speak of on the wheels. The rotors and pads I just replaced. Can one of the bushings in the front end be bad and not really look bad. I've supported it from the frame on jackstands and yanked on everything under it and it all seems tight? The clutch is smooth with no chatter.

thanks,

Chris
 
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