I have a TVS1900 on my Denali. When I did the install, the new pulley/tensioner bracket wasn't lining up with the alternator bracket to mount the OEM idler pulley. I ended up having to drill out the new bracket and the dust cover on the OEM idler pulley. Are there replacement brackets available? I'd like to replace the Magnuson bracket and the OEM alternator bracket. What are my options? Is it good enough? Will I have trouble down the road?

 

There should be some slop in alt bracket. Try loosening the bolts on the alt bracket and see if it will slide over enough to align with the Maggie bracket.

 

I tried that. No dice. Not near enough. One of the brackets is off big time.

 

if you are trying to get it straight then helicoil it.

 

Looks to me like you need to notch the OEM alt bracket a little so the supercharger bracket can move over and that bolt will line up with the hole.

 

I did trim it a bit, but the picture shown has every other bolt installed and lined up perfectly. It's just the driver side that is off. I'm trying to figure out if its the alternator bracket or the Maggie tensioner bracket.

I know I can get a alternator bracket from the yard or GM. If it turns out that it is the Maggie bracket, are they available?