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My 08 Gmc 3500hd Handles Like Crap

anteater

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anteater Enthusiast

anteater

Posted
Posted

I have a 2008 GMC 3500HD crew cab long box 4x4.since it was new I have noticed that the truck likes to wander on the road,especially on any highways that are rutted/dished/grooved out from where everyone drives!when you pull out to pass a vehicle the truck takes sharp jolts from left to right and it feels like the rear end is swaying!it almost feels like I have to drive the front end to keep up with the back end,or I am steering to keep up with the front wheels.I was told to have a 4 wheel alignment done which I did,and it didn't help!I have also been told it could be a steering issue and the front wheels are going where they want and I am having to make quick reactions to keep up!anyway I am out of ideas and my dealer can't come up with anything either!I am on my third crew cab long box so I know how these trucks handle and I have never expererienced anything like this before!it always does it on the highway regardless of wheather I am passing or just driving ,this truck is just all over the road,every passenger that has ever been in the truck has also felt this and we even stopped and checked all the lug nuts one day thinking a wheel was falling off,I have dropped my PSI from 80 in the rear to around 55 to try to help and think it is better but still unaceptable!any ideas?

2COR517 Enthusiast

2COR517

Posted
Posted

How about the front pressure? If you are basically empty, 45-50 up front, 40-45 in back.

 

I have picked up my truck from the shop to have it handle like crap. Sure enough, 80 ALL THE WAY AROUND. And I thought this was a good shop. Now I do everything myself.

jcl22 New Member

jcl22

Posted
Posted

I had a 07 and it feeled like you discribed . I traded it in on another truck just for that problem. the day I was taking it in to trade i was cleaning the bed out. I lean across the bed to grab some tools when I heard and felt the back of the truck move. On my truck the rear leaf springs where sliding side to side on the front mounting bolt I grabed the side of the truck and shock it an you could see them sliding back and forth. My truck also had bad wheel hop somthing to check??

doverarjim Senior Enthusiast

doverarjim

Posted
Posted

Have you put new tires on before this started? I had an issue with some tires the last time I bought some, if felt like you were always out of control. Took it back after about 90 days and talked to the tire guys and they replaced the two tires again and now 2 years and 30,000 miles later no problems. :lol:

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