20 inch wheels on a crew

[jimi]

Now that we've throughly hashed and rehashed the 20 wheel question (on a separate thread) I'm beyond who's at fault and what should GM do or not do about the problem. Now I would like to try and figure out the real issue. He's what I THINK I know so far: #1 there is a problem. #2 GM does not recommend using their 20 inch wheels on the 1500 crew. #3 usage may/could cause a problem with the suspension or frame. #4 usage most likely would void the factory warranty as it relates to the frame or those specific suspension parts. #5 GM has not recalled any crews that were sold with the 20 inch wheels.

 

Now the information I don't have but would like to. #1 How serious is the problem and is there a safety issue with the larger wheels? #2 why hasn't GM recalled the crews that are already out there with 20s on them? #3 Are GM's recommendation and service bulletin just a CYA (Cover Your A$$) thing? #4 If they are just CYA should I risk putting the 20s on my truck anyway (I only use it for light hauling and towing)? #5 how can I find out what the real issue is so maybe I could address it myself by beefing up the frame, or ??? #6 If GM's 20 inch wheels cause a problem will aftermarket wheels? 18s?, what are my wheel options?

 

I guess if I could boil all this down the bottom line is I would still like to put 20s on my truck even though GM says there is a "durability" issue. Should I risk it?

[GM-Tech]

#2 why hasn't GM recalled the crews that are already out there with 20s on them?

 

Because there is no process in place for the dealer to notify GM which vehicles had 20" wheels installed on them. Therefore, they would not be able to recall vehicles they don't know about.

[Cool Zr2]

Big deal, put them on, and if there is a problem, put your stockers back on and deny you had 20's on to the dealer, you seem hell bent on finding a way to run the 20's so this is your way to it.

[GM Dude]

Big deal, put them on, and if there is a problem, put your stockers back on and deny you had 20's on to the dealer, you seem hell bent on finding a way to run the 20's so this is your way to it.

 

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For sure one way to do it...as long as when it happens it doesn't cause a major accident where you don't have time to change them out. I doubt that will happen though.

[jimi]

Big deal, put them on, and if there is a problem, put your stockers back on and deny you had 20's on to the dealer, you seem hell bent on finding a way to run the 20's so this is your way to it.

 

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For sure one way to do it...as long as when it happens it doesn't cause a major accident where you don't have time to change them out. I doubt that will happen though.

 

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I guess that's the real bottom line. Is there a safety issue? If I knew it was safe and it was only a waranty thing it would be no big deal.