Air comp. on the cummins is over on the driver's side, pretty obvious because it'll have a hose on it running to the intake tubing (pre-turbo),...
Optimally none, as play appears the bearing is wearing out. You can adjust typically by removing shims from the bearing cage for the input on the...
1: Radiator support. Mostly a collision safety thing. 2: Red is a CAC intake tube (boost air) to the CAC from the turbo, Teal is the intake...