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02-27-2012, 02:26 PM #1
2001 Suburban: why are front lower control arms sitting on bump stops?
148k miles on 2001 suburban.
Why is the front lower control arm sitting on bump stops? The ride is getting horrible. Is the torsion bar starting to sag? Do I need to raise it back up, and how much? The bump stops are starting to break apart too. Where can I get replacement stops? Thanks.
Last edited by bazar01; 02-27-2012 at 02:47 PM. Reason: added: ride is getting horrible
02-27-2012, 04:20 PM #2
It's supposed to ride right on the bumpstop. It has to do with how a torsion bar is a linear rate spring and they use the bump stop to give it a progressive rate feel. The reason your ride has degraded is possibly due to the deteriorated bumpstop not doing its job. It might also be time for new shocks. You can get replacement parts at the dealer, most autopart stores, or LMC Truck.
Last edited by Boonduff; 02-27-2012 at 04:27 PM.
97 Chevrolet Suburban K1500 5.7L
78 GMC High Sierra K1500
Fat, drunk, and stupid is no way to go thru life.
02-27-2012, 06:51 PM #3
Thanks. I have not really paid attention to the bumpstops until the ride started getting horrible. So they are supposed to ride right on the stops and there is no need to raise the ride height. I will get new stops and see how it goes.
02-27-2012, 07:05 PM #4
X2 on what Boonduff said, also when were the shocks last replaced? You'd be surprised at the difference new shocks would make.Adam
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