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Home >> GMC >> 2005 >> Sierra 1500 HD, RWD >> Repair and Diagnosis >> Engine Mechanical >> Mechanical >> Engine Mechanical - 4.8L, 5.3L & 6.0L (Repair Instructions - 1 Of 3) >> Repair Instructions (On-Vehicle And Off-Vehicle - Part 1) >> On-Vehicle Repair Instructions >> Crankcase Ventilation Hoses/Pipes Replacement >> Removal Procedure

Removal Procedure

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