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Home >> GMC >> 2003 >> Safari Van Cargo, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 1162 (Engine Mechanical - 5.7L) >> Repair Instructions >> On-Vehicle Repair Instructions >> Crankcase Ventilation Hoses/Pipes Replacement >> Removal Procedure

Removal Procedure

WARNING: This page is about a different car, the 2003 Chevrolet Corvette. However, it is still accessible from the selected car via links, so may be relevant.
  1. Remove the throttle position (TP) sensor harness clip from the positive crankcase ventilation (PCV) tube.
  2. Remove the PCV tube from the right rocker arm cover and throttle body, if necessary.
    Fig 1: Removing PCV Tube From Right Rocker Arm Cover And Throttle Body
    G01970381Courtesy of GENERAL MOTORS CORP.
  3. If equipped with the regular production option (RPO) LS1 engine, remove the PCV valve pipe from the left rocker arm cover.
    Fig 2: Removing PCV Valve Pipe From Left Rocker Arm Cover
    G01970382Courtesy of GENERAL MOTORS CORP.
  4. If equipped with the RPO LS1 engine, remove the PCV valve pipe strap nut.
  5. Remove the PCV valve pipe from the right rocker arm cover and intake manifold.
  6. If replacing the PCV valve pipe, remove the PCV valve from the pipe.
    Fig 3: Removing PCV Valve Pipe From Right Rocker Arm Cover And Intake Manifold
    G01970383Courtesy of GENERAL MOTORS CORP.
  7. If equipped with the RPO LS6 engine, remove the PCV valve hose (1) from the valley cover and intake manifold.
  8. If replacing the PCV valve hose, remove the PCV valve from the hose.
    Fig 4: Removing PCV Valve From Hose
    G01970384Courtesy of GENERAL MOTORS CORP.
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