Duramax Diesels Forum Truck of the Week
  #16  
Old 02-14-2020, 01:53 AM
superptrucker superptrucker is offline
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They are expensive but they come with brand new steel cups and OEM bolts so you don't have to reuse anything.
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  #17  
Old 02-14-2020, 07:12 AM
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Originally Posted by superptrucker View Post
They are expensive but they come with brand new steel cups and OEM bolts so you don't have to reuse anything.
So do dorman
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Old 02-14-2020, 07:13 AM
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Does Dorman use the rear hydraulic mounts like GM put into mine to stop frame beaming?
you would have to look up the year of the truck. im not sure what year that started. i just ordered factory stuff for my 02
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  #19  
Old 02-14-2020, 07:16 AM
N2BRK N2BRK is offline
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it was a TSB that came out around '09 IIRC, but I don't know if they became standard at any time or if it always remained a TSB for complaints of frame beaming.
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  #20  
Old 02-14-2020, 07:24 AM
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i dont think it matters really but thats just my opinion so take it for what its worth. My 2020 still does it at certain speeds on the highway, granted not as bad as the 02 but still very noticeable. its the shit ass expansion joints on the highways, not the trucks.
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Mike L is my role model. I want to be like him when I grow up.
James

2002 LB7, LLY, LBZ, LMM, LML, L5P 2500HD CC/LB dmax/6sp alli "The Limo"

2020 L5P 2500HD CC/LB dmax/10sp alli "The New Limo" staying stock........ish

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  #21  
Old 02-14-2020, 07:28 AM
N2BRK N2BRK is offline
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it helped mine, but not really a night and day sort of thing. At this point,so many years later, just having any new mounts would probably be a huge upgrade, LOL.
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  #22  
Old 02-14-2020, 07:44 AM
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I believe GM started using the hyd mounts on the LMM chassis but could be incorrect. I believe the TSB is from the 09-10 era. I recently helped a buddy one night after work put in new mounts on his 03 crew cab. He sourced the front four and I sourced the rear two from GM and he went with the hydraulic mount. It helped a bunch but like James said, there's only so much that can be done to account for the expansion joints in the freeway.
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  #23  
Old Today, 08:02 AM
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Originally Posted by N2BRK View Post
Not for crew cab. You click the button and add $175. I was pretty shocked.
Good catch, didn't notice that.
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