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Home >> GMC >> 2006 >> Sierra 1500 HD, RWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 9 (Engine Mechanical - 6.6L - On Vehicle Repair Instructions) >> On-Vehicle Repair Instructions >> Positive Crankcase Ventilation (PCV) Valve Replacement (Right) >> Removal Procedure

Removal Procedure

WARNING: This page is about a different variant/trim than selected.
  1. Remove the air cleaner outlet duct. Refer to Air Cleaner Outlet Duct Replacement .
  2. Using a pick or a small flat-bladed screw driver, remove and discard the quick connect fitting clip from the charged air cooler outlet duct.
  3. Remove the charged air cooler outlet duct from the intake.
    Fig 1: Charged Air Cooler Outlet Duct
    GM1653035Courtesy of GENERAL MOTORS CORP.
  4. Remove the fuel filter bracket bolts.
    Fig 2: Identifying Fuel Filter Bracket Bolts
    GM1602054Courtesy of GENERAL MOTORS CORP.
  5. Position the fuel filter assembly out of the way.
  6. Remove the positive crankcase ventilation (PCV) cover screws.
  7. Remove the PCV cover, diaphragm, and spring.
    Fig 3: View Of PCV Cover, Diaphragm & Spring
    GM1336134Courtesy of GENERAL MOTORS CORP.
  8. Clean and inspect the cover, diaphragm and spring.
  9. Discard the diaphragm if damage is found.
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