EXHAUST LEAKAGE
8
Oxygen Sensor Replacement -
Bank 1 Sensor 2 or Heated Oxygen
Sensor Replacement - Bank 2
Sensor 2 for the 4.3L engine, or to
Heated Oxygen Sensor
Replacement - Bank 1 Sensor 2
(1500 Series) or Heated Oxygen
Sensor Replacement - Bank 1
Sensor 2 (2500 Series) or Heated
Oxygen Sensor Replacement -
Bank 1 Sensor 2 (2500 Series -
Cab/Chassis) or Heated Oxygen
Sensor Replacement - Bank 2
Sensor 2 (1500 Series) or Heated
Oxygen Sensor Replacement -
Bank 2 Sensor 2 (2500 Series) or
Heated Oxygen Sensor
Replacement - Bank 2 Sensor 2
(2500 Series - Cab/Chassis) for the
4.8L, 5.3L, 6.0L, and 6.2L engines.
3. Clear any codes.
4. Road test the vehicle in order to
verify the repair.
Did you correct the condition?
-
System OK Go to Step 2
Problem
Action
DEFINITION: An exhaust leak may show stains at the area of the leak. The leak may be
felt by holding a hand close to the suspected areas or using a smoke pencil. The leak may
make a popping or hissing noise.Refer to Symptoms - Engine Exhaust prior to beginning
this table.
CAUTION:
While engine is operating, the exhaust system will become extremely hot. To prevent burns avoid
contacting a hot exhaust system.
Misaligned or improperly
installed exhaust system
Align and tighten the components to the specifications.
Refer to Fastener Tightening Specifications.
2008 Chevrolet Silverado 1500
2008 ENGINE Engine Exhaust - Cab & Chassis Sierra, Cab & Chassis Silverado, Sierra & Silverado