Sierra 3500 4WD V8-6.6L DSL Turbo VIN 2 (2004)
17.
Remove the transmission support crossmember bolts.
18.
Remove the transmission support crossmember.
19.
Loosen the exhaust pipe clamp.
20.
Slide the exhaust pipe clamp up onto the exhaust pipe.
21.
Slide the catalytic converter hanger out of the insulator.
22.
Remove the catalytic converter.
23.
Apply water based lubricant to the exhaust pipe hanger bracket, in order to aid in installation.
24.
Slide the catalytic converter hanger into the insulator.
Important:
Ensure that the manifold pipe is square to the exhaust pipe adapter.
