6.7L Cummins Cooling System – Pulley, Fan Idler – Disassemble

Disassemble
Rear Gear Train
If the idler pulley mounting capscrew is covered by a dust shield, use a hammer and chisel to drive the dust shield
out of the pulley. To ease removal, position the chisel on the side portion of the dust shield.
Discard the old dust shield. A new dust shield will be required upon installation.

NOTE: For some idler pulley installations, the idler pulley shaft is a part of the idler pulley support bracket.
Remove the idler pulley mounting capscrew.
Remove the idler pulley and idler pulley shaft.