GM Service Manual Online
For 1990-2009 cars only
Makes
🢒
GMC_Truck
🢒
2009
🢒
Sierra - 4WD
🢒
Engine
🢒
Engine Controls and Fuel - 6.6L
🢒 Catalytic Converter Replacement - Left Side
Catalytic Converter Replacement - Left Side With Cab Chassis
Removal Procedure
Remove the exhaust temperature sensors. Refer to
Exhaust Temperature Sensor Replacement - Position 1
and
Exhaust Temperature Sensor Replacement - Position 2
.
Remove the exhaust pressure differential sensor pipe. Refer to
Exhaust Pressure Differential Sensor Pipe Replacement
.
Remove the catalytic converter to exhaust particulate filter nuts (1).
Remove the exhaust particulate filter hangers from the exhaust insulators (1).
Remove the exhaust particulate filter (1).
Remove and discard the catalytic converter to particulate filter gasket (2).
Installation Procedure
Install a NEW gasket (2) onto the exhaust particulate filter studs.
Install the exhaust particulate filter (1) to the catalytic converter.
Install the exhaust particulate filter hangers to the exhaust insulators (1).
Caution:
Refer to
Fastener Caution
in the Preface section.
Install the exhaust particulate filter to catalytic converter nuts (1) and tighten to
45 N·m (33 lb ft)
.
Install the exhaust pressure differential sensor pipe. Refer to
Exhaust Pressure Differential Sensor Pipe Replacement
.
Install the exhaust temperature sensors. Refer to
Exhaust Temperature Sensor Replacement - Position 1
and
Exhaust Temperature Sensor Replacement - Position 2
.
Using a scan tool, perform the DPF Reset For Replace DPF.