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Old 05-30-2016, 11:08 PM   #1
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New truck now pulling problems.

Old truck was a 2015 gmc 2500 srw pulled awesome, no problems at all at any speeds. New truck is a 2016 gmc 3500 srw now when pulling it sways all over the place. At 70 you can just feel it floating side to side never had this problem with the 2500. The only difference from the 2500 to 3500 is a added leaf spring bump stops and 18s instead of 20s.

Any thoughts on this?
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Old 05-31-2016, 08:48 AM   #2
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Is there an increase in height? Are you now towing nose high?
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Old 05-31-2016, 09:16 AM   #3
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Most likely need a little adjustment on your hitch to find your sweet spot again.
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Old 05-31-2016, 09:24 AM   #4
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Quote:
Originally Posted by Boosted1200 View Post
Old truck was a 2015 gmc 2500 srw pulled awesome, no problems at all at any speeds. New truck is a 2016 gmc 3500 srw now when pulling it sways all over the place. At 70 you can just feel it floating side to side never had this problem with the 2500. The only difference from the 2500 to 3500 is a added leaf spring bump stops and 18s instead of 20s.

Any thoughts on this?
More sidewall on the 18" tires than the 20s?
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Old 05-31-2016, 09:26 AM   #5
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Quote:
Originally Posted by Boosted1200 View Post
Old truck was a 2015 gmc 2500 srw pulled awesome, no problems at all at any speeds. New truck is a 2016 gmc 3500 srw now when pulling it sways all over the place. At 70 you can just feel it floating side to side never had this problem with the 2500. The only difference from the 2500 to 3500 is a added leaf spring bump stops and 18s instead of 20s.

Any thoughts on this?
Trailer? Hitch? tongue weight? 70? Photos?
WW
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Old 05-31-2016, 09:33 AM   #6
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Have you checked your new truck's tire pressure? My truck gets squirrley if I bump up the tire pressure to max as stated on the sidewall and not what's stated on the door sticker.
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Old 05-31-2016, 09:35 AM   #7
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Are you running a more aggressive tread pattern on the TV tires now?
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Old 05-31-2016, 10:58 AM   #8
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What changed besides the truck . hitch height ? TW , i've got an old chevy 2500 16" rims run 80psi towing . never any issues tow like a dream . something simple changed causing your problem . i would not think the rim size is making a difference . i think brother les is right hitch adjustment
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Old 05-31-2016, 12:01 PM   #9
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I went from 2006 2500hd srw to 2016 2500hd srw I had to lower the ball height


2015 hyper lite 29 hfs / 2016 gmc 2500hd
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Old 05-31-2016, 12:09 PM   #10
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I never measured the height in the last truck so I don't know what that was. The trucks sat the same side by side at the dealer. I'll take a pic and post to see what you guys think
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