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I have the above truck and want to level truck by raising the front end (1.5-2"). No luck on aftermarket Kits/shocks/spacers etc for AWD. GMC dealer will adjust torsion bars and says they get very close to level using this method with no adverse affect on ride, vibration etc. Anyone done this on a Denali AWD ?
Should have posted this in the truck forum. Its been a few years since I worked on GM products but the earlier models did have adjusters for ride height. I checked the manual and it appears that if its has coil springs there is no adjustment, and I assume you have coil springs since the manual did not have a torsion bar adjustment procedure for 2010 GMC Denali. Hope this helps.