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post #1 of (permalink) Old 11-07-1999, 10:50 AM
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Tire change starts wheel shake

I just changed the tires on my CJ-2 from 32" BFG Mud Terrains to 35" BFG MUd Terrains. Now when I hit a pot hole I get a severe wheel shake untill I pull off the road and stop. I never had any problems with the 32" tires doing this. What is going on here???
Thanks,
Rob

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post #2 of (permalink) Old 11-08-1999, 01:02 AM
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Re: Tire change starts wheel shake

The 35" tires are exerting much more lateral force upon the steering than the 32"'s were. Do you have a steering damper? Is it still good? Look at all the steering components (ie: Pittman and Idler arms, tie rod ends, drag link etc.). With the taller tires you may just be flexing the stock center and drag links too much (if they are stock they are pretty whimpy, even on my CJ-7). A definate "Beef" upgrade is in order to the whole steering system when you run tires that large. It could also be something as simple as an alignment problem that wasn't noticible with the 32's, but all the forces are multiplied with the 35's. Good luck!

Mike H.
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post #3 of (permalink) Old 11-08-1999, 06:43 AM
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Re: Tire change starts wheel shake

try tigtening the steering box bolts and look for cracks or loose joints anywhere in the steering/suspension. the 35's will also magnify any movement due to size.

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post #4 of (permalink) Old 11-08-1999, 07:16 AM
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Re: Tire change starts wheel shake

Thanks for the replys. I checked over the steering system and it was all in good shape. It is all new (within the last year) and is up graded to Chevy Blazer componets with a Saginwa conversion. I did add a steering dampner and adjusted the air pressure in the tires. The shop that installed the tires left the pressures at: front right- 12 psi, front left 22 psi, rear right 15 psi and rear left 12 psi. With the correct air pressures and the steering dampner the shaking is gone.
Rob

post #5 of (permalink) Old 11-09-1999, 01:16 AM
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Re: Tire change starts wheel shake

Boy, I guess we (myself included) do overlook the most obvious things. You'd think a tire shop would know how to read a tire guage !!!

Mike H.
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