Body Not Lining Up With Box

LBZ

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Jul 2, 2007
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May want to spay some PB Blaster on the bolts, lessen the chance of breaking the capture nuts loose on the cab.
Got a can of it on standby. It's been parked for 2.5 years so hopefully it's not too bad.

The updated gm rear cab mounts fixed the body lines for my truck
Was it out quite a bit before? Good to know it helps.

The bed on my truck doesn't line up with the body either. It's really irritating to me
I hear ya. Sounds like we have the same issue.
I'm going to change them and will post up pics and what not of how it looks after.
 

SoCalMike

Member
Dec 12, 2010
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Got a can of it on standby. It's been parked for 2.5 years so hopefully it's not too bad.

Was it out quite a bit before? Good to know it helps.


I hear ya. Sounds like we have the same issue.
I'm going to change them and will post up pics and what not of how it looks after.
Yes it was. Cab to bed lines are pretty straight now. It been a couple years since the dealer installed them under warranty.
 

OregonDMAX

NOT IN OREGON, NO DURAMAX
Apr 28, 2013
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I just installed the updated cab mounts about 3 months ago, they fixed my weird vibration and the body lines. When I get home I'll get the part #'s. I found them on one of these diesel forums, can't remember which but either way they were superceded so the #'s on my receipt are the correct ones.
 

c20elephant

C20ELEPHANT
Apr 25, 2013
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Phoenix, Arizona
I just installed the updated cab mounts about 3 months ago, they fixed my weird vibration and the body lines. When I get home I'll get the part #'s. I found them on one of these diesel forums, can't remember which but either way they were superceded so the #'s on my receipt are the correct ones.

Could you take some pictures of the ones you installed so I can compare then to some older pictures I have collected. Part number changes seems like a higher up numbers guy changes the part number when he gets a wild hair up his ass, makes me want to reach out and choke someone who so desperately needs it. I believe I read about 4 part number changes since the TSB.
 

LBZ

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When looking at the parts diagram I see they have shims of different thickness. Are these just to help raise it if needed to get the lines to line up? Order as required?
 

OregonDMAX

NOT IN OREGON, NO DURAMAX
Apr 28, 2013
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That's weird I only saw 3 pieces on the diagram when I got mine. Upper mount which is enormous, the lower rubber bushing and the metal plate which holds the bolt straight through the two mounts
 

LBZ

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Jul 2, 2007
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That's weird I only saw 3 pieces on the diagram when I got mine. Upper mount which is enormous, the lower rubber bushing and the metal plate which holds the bolt straight through the two mounts
I'm guessing that's what the shims are for as they go between the cab and top cushion.
Diagram is from an '06 as for whatever reason the '07 on gmpartsdirect doesn't show the CC diagram.



[ 4 ] BODY HARDWARE / CAB / CAB ASSEMBLY / Mount cushion shim
Part Number: 15018263

mount cushion shim CREW CAB, 3mm thick Left
MSRP Online Price
$5.21 $3.09


[ 4 ] BODY HARDWARE / CAB / CAB ASSEMBLY / Mount cushion shim
Part Number: 15018263

mount cushion shim CREW CAB, 3mm thick Right
MSRP Online Price
$5.21 $3.09


[ 4 ] BODY HARDWARE / CAB / CAB ASSEMBLY / Mount cushion shim
Part Number: 15018264

mount cushion shim CREW CAB, 1.5mm thick Left
MSRP Online Price
$4.16 $2.46


[ 4 ] BODY HARDWARE / CAB / CAB ASSEMBLY / Mount cushion shim
Part Number: 15018264

mount cushion shim CREW CAB, 1.5mm thick Right
MSRP Online Price
$4.16 $2.46


[ 5 ] BODY HARDWARE / CAB / CAB ASSEMBLY / Mount cushion upper insulator
Part Number: 15053229

mount cushion upper insulator CREW CAB Left
MSRP Online Price
$6.18 $3.66


[ 5 ] BODY HARDWARE / CAB / CAB ASSEMBLY / Mount cushion upper insulator
Part Number: 15053229

mount cushion upper insulator CREW CAB Right
MSRP Online Price
$6.18 $3.66


[ 6 ] BODY HARDWARE / CAB / CAB ASSEMBLY / Mount cushion bolt
Part Number: 11562587

mount cushion bolt CREW CAB Left
MSRP Online Price
$6.30 $3.73


[ 6 ] BODY HARDWARE / CAB / CAB ASSEMBLY / Mount cushion bolt
Part Number: 11562587

mount cushion bolt CREW CAB Right
MSRP Online Price
$6.30 $3.73
 

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SoCalMike

Member
Dec 12, 2010
760
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SoCal
25791031 top main mount replaced by 25994881
25791032 Bottom part of the Mount
15854745 Big Washer for Bottom

I got this off another forum. The part numbers I have are old and the part numbers have changed. But when I pull up the numbers all the parts look correct.
 

c20elephant

C20ELEPHANT
Apr 25, 2013
2,065
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Phoenix, Arizona
OregonDMAX, they look like the one to the right..
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DSC01010.jpg

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