Chevrolet Silverado / GMC Sierra. Service manual — part 1833

Fig. 152: View Of Exhaust Particulate Filter Nuts
Courtesy of GENERAL MOTORS CORP.

1. Remove the catalytic converter. Refer to Catalytic Converter Replacement (4.3L) or

Catalytic Converter Replacement (4.8L, 5.3L, 6.0L, 6.2L) or Catalytic Converter
Replacement (6.6L).

2. Remove the exhaust temperature sensors. Refer to Exhaust Temperature Sensor

Replacement - Position 1 and Exhaust Temperature Sensor Replacement - Position
2 .

3. Remove the exhaust pressure differential sensor pipe. Refer to Exhaust Pressure

Differential Sensor Pipe Replacement (Pickup) or Exhaust Pressure Differential
Sensor Pipe Replacement (Cab/Chassis) .

4. Remove the exhaust muffler to exhaust particulate filter nuts (1).

2008 Chevrolet Silverado 1500

2008 ENGINE Engine Exhaust - Cab & Chassis Sierra, Cab & Chassis Silverado, Sierra & Silverado

Fig. 153: View Of Exhaust Insulators
Courtesy of GENERAL MOTORS CORP.

5. Remove the exhaust particulate filter hangers from the exhaust insulators (1).

2008 Chevrolet Silverado 1500

2008 ENGINE Engine Exhaust - Cab & Chassis Sierra, Cab & Chassis Silverado, Sierra & Silverado

Fig. 154: View Of Exhaust Particulate Filter
Courtesy of GENERAL MOTORS CORP.

6. Remove the exhaust particulate filter. (2500/3500 crew cab shown, regular/extended cabs

similar).

7. Remove and discard the exhaust particulate filter to muffler gasket.

Installation Procedure

2008 Chevrolet Silverado 1500

2008 ENGINE Engine Exhaust - Cab & Chassis Sierra, Cab & Chassis Silverado, Sierra & Silverado

Fig. 155: View Of Exhaust Particulate Filter
Courtesy of GENERAL MOTORS CORP.

1. Install a NEW gasket onto the exhaust muffler studs.

2. Install the exhaust particulate filter to the muffler studs.

2008 Chevrolet Silverado 1500

2008 ENGINE Engine Exhaust - Cab & Chassis Sierra, Cab & Chassis Silverado, Sierra & Silverado