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Home >> GMC >> 2006 >> Sierra 1500 HD, 4WD >> Repair and Diagnosis >> Engine Mechanical >> Mechanical >> ENGINE MECHANICAL - 4.8L, 5.3L, AND 6.0L (2 Of 4) >> On-Vehicle Repair Instructions >> Crankcase Ventilation Hoses/Pipes Replacement >> Removal Procedure

Removal Procedure

  1. Remove the engine sight shield. Refer to Engine Sight Shield Replacement (4.8L, 5.3L, and 6.0L (RPO LQ4))  or Engine Sight Shield Replacement (6.0L (RPO LQ9)) .
  2. Remove the positive crankcase ventilation (PCV) hose from the intake manifold and valve rocker arm cover.
    Fig 1: View Of PCV Hose
    GM1201537Courtesy of GENERAL MOTORS CORP.
  3. Remove the vent hose from the throttle body and the valve rocker arm cover.
    Fig 2: View Of Throttle Body To Valve Rocker Arm Cover PCV Hose
    GM1235681Courtesy of GENERAL MOTORS CORP.
  4. Replace the hose as necessary.
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