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Home >> Chevrolet >> 2006 >> Silverado 1500 HD, 4WD >> Repair and Diagnosis >> External Pages >> Different car >> Section 1680 (Engine Mechanical - 6.6L (LMM) - Repair Instructions - On Vehicle) >> Positive Crankcase Ventilation Valve Replacement (Passenger Side) >> Removal Procedure

Removal Procedure

WARNING: This page is about a different car, the 2010 GMC Sierra, 2010 GMC Cab & Chassis Sierra, 2010 Chevrolet Silverado, and 2010 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.
    Fig 1: Fuel Filter Bracket Bolts
    GM1602054Courtesy of GENERAL MOTORS CORP.
  1. Remove the air cleaner outlet duct. Refer to Air Cleaner Assembly Replacement .
  2. Remove the fuel filter bracket bolts.
  3. Position the fuel filter assembly out of the way.
    4. Fig 2: View Of PCV Cover, Diaphragm & Spring
    GM1336134Courtesy of GENERAL MOTORS CORP.
  4. Remove the positive crankcase ventilation (PCV) cover screws.
  5. Remove the PCV cover, diaphragm, and spring.
  6. Clean and inspect the cover, diaphragm and spring.
  7. Discard the diaphragm if damage is found.
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