Too thick or pad frame too big for 2011 GMC Sierra SLE 5.3. .When the adjuster is set all the way back, the new drum, EVEN THE OLD DRUM, WILL NOT GO BACK! If you try to put on one of the drum kits, only chew on the side of the pads! UPDATE: I ended up buying a second set because I thought maybe Bosch somehow missed the ball in quality control with the first set of pads. NO! I bought a second set of EXACT and they didn't fit either! So instead of putting a drum in those shoes (and chewing theβ¦