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Home >> GMC >> 2006 >> Sierra 1500 HD, 4WD >> Repair and Diagnosis >> External Pages >> Different car >> Section 1072 (Engine Mechanical - 6.6L (2 Of 5)) >> On-Vehicle Repair Instructions >> Positive Crankcase Ventilation Valve Replacement (Passenger Side) >> Removal Procedure

Removal Procedure

WARNING: This page is about a different car, the 2008 GMC Sierra, 2008 GMC Cab & Chassis Sierra, 2008 Chevrolet Silverado, and 2008 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.
    Fig 1: Identifying 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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