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EXHAUST LEAKAGE 8 Oxygen Sensor Replacement - 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 CAUTION: While engine is operating, the exhaust system will become extremely hot. To prevent burns avoid Misaligned or improperly Align and tighten the components to the specifications.
2008 Chevrolet Silverado 1500 2008 ENGINE Engine Exhaust - Cab & Chassis Sierra, Cab & Chassis Silverado, Sierra & Silverado
components. Ensure the exhaust hangers are in the proper locations Exhaust leaks at the Exhaust manifold to Flanges Pipe clamps Tighten the components to the specifications. Refer to Seals or gaskets leaking. Exhaust manifold to Exhaust pipes to Catalytic converter EGR connections, if Replace the leaking seal or gasket. Refer to the affected Irregularities at the mating Repair as required or replace the affected component. Refer Exhaust manifold cracked or Replace the exhaust manifold. Refer to: Exhaust Manifold Replacement - Left Side (4.3L) or Exhaust Manifold Replacement - Right Side (4.3L) Exhaust system component Replace the leaking component. Refer to the affected Muffler damaged or leaking Replace the affected muffler. Refer to Muffler Replacement
2008 Chevrolet Silverado 1500 2008 ENGINE Engine Exhaust - Cab & Chassis Sierra, Cab & Chassis Silverado, Sierra & Silverado
EXHAUST NOISE Replacement (2500/3500 Series w/6.0L) or Muffler Condition Action DEFINITION: An audible or physical noise due to a faulty component or damaged CAUTION: While engine is operating, the exhaust system will become extremely hot. To prevent burns avoid Popping or hissing noise Exhaust leak. Refer to Exhaust Leakage. Loud exhaust 1. Compare to a known good vehicle. 2. Inspect for a damaged or failed muffler or resonator. 3. Replace the faulty muffler. Refer to Muffler Replacement (1500 Series w/4.3L, 4.8L, 5.3L, 6.0L) External rattle or vibration 1. Inspect for a bent or loose hanger, loose heat shield, or loose clamp. 2. Inspect for a exhaust pipe causing interference. 3. Repair or replace the affected component. Refer to the affected component's service procedure. Internal rattle 1. Test the components by tapping with a rubber mallet to confirm a rattle. 2. Replace the faulty catalytic converter, or muffler. Refer to one of the following procedures: Catalytic Converter Replacement (4.3L)
2008 Chevrolet Silverado 1500 2008 ENGINE Engine Exhaust - Cab & Chassis Sierra, Cab & Chassis Silverado, Sierra & Silverado
REPAIR INSTRUCTIONS EXHAUST MANIFOLD REPLACEMENT - LEFT SIDE (4.3L) Removal Procedure Muffler Replacement (1500 Series w/4.3L, 4.8L,
2008 Chevrolet Silverado 1500 2008 ENGINE Engine Exhaust - Cab & Chassis Sierra, Cab & Chassis Silverado, Sierra & Silverado
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