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Cab separating from truck bed. 2020 Chevy Colorado extended cab

7.1K views 20 replies 10 participants last post by  Gerry Thornhough  
#1 ·
I have a 2020 extended cab Colorado. Its got low mileage. It appears that the cab is separating from the truck bed . And it seems the the rear of the bed is higher than it used to be. Is there anyway to fix that? I noticed it after a long trip up north.
 
#2 ·
Ummm? Not sure what you mean? The cab and bed are in no way attached so they cannot separate from each other. Do you mean the gap between the cab and bed is uneven top to bottom? If so, is the gap wider at the top or bottom? Pics showing what you're talking about would really help.
 
owns 2017 GMC Canyon Denali
#3 ·
You may be experiencing the typical Lean on these trucks. Only a handful do not have the lean, mine being one of them.
 
#4 ·
Measure the gap at the bottom and top of the bed, they should be the same. If you do have the chevy lean you should beable to see it looking from the rear.

My truck after 2 years.
Image


After 5 years.
Image
 
#9 ·
Measure the gap at the bottom and top of the bed, they should be the same. If you do have the chevy lean you should beable to see it looking from the rear.

My truck after 2 years.
View attachment 431357

After 5 years.
View attachment 431358
After the long trip the space between the bed and the rear tires became wider. I will measure the space thanks. Ill get pictures too
I have a 2020 extended cab Colorado. Its got low mileage. It appears that the cab is separating from the truck bed . And it seems the the rear of the bed is higher than it used to be. Is there anyway to fix that? I noticed it after a long trip up north.
 

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#5 · (Edited)
There was that one guy who was jumping his truck (he made u-tube video's)and afterwards the top of the bed was closer to the cab then the bottom and it was higher. He came on here whinning about how GM would not replace his bent frame.
 
#12 ·
Not sure I understand. Statement is the bed is separating from the cab. Pictures provided appear to show something to do with the clearance of the tires to the wheel openings of bed.

After a long drive, I can guess that the bouncing has allowed the shocks/springs to allow the bed to rise up slightly. You put a load in the bed, it sinks back down. Remove load, bed stays down till you drive around and it bounces back up.

Not sure what the question is.
 
#16 ·
Not sure I understand. Statement is the bed is separating from the cab. Pictures provided appear to show something to do with the clearance of the tires to the wheel openings of bed.

After a long drive, I can guess that the bouncing has allowed the shocks/springs to allow the bed to rise up slightly. You put a load in the bed, it sinks back down. Remove load, bed stays down till you drive around and it bounces back up.

Not sure what the question is.
So figured it out. Long trip = burned fuel = less weight. LMAO I don't see any difference either BTW.
 
#13 ·
The bed is on rubber mounts, maybe they are not tight?? I really don't see anything in the photos that is out of line.