LEMON Manuals: Even more car manuals for everyone
Home >> GMC >> 2003 >> Safari Van Cargo, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 834 (Engine Mechanical - 4.8L, 5.3L & 6.0L) >> Repair Instructions >> On-Vehicle Repair Instructions >> Positive Crankcase Ventilation (PCV) Valve Replacement >> Removal Procedure

Removal Procedure

WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2003 GMC Yukon XL, 2003 GMC Yukon, 2003 Chevrolet Tahoe, 2003 Chevrolet Suburban, and 2003 Chevrolet Avalanche. However, it is still accessible from the selected car via links, so may be relevant.
  1. Remove the engine sight shield, if required. 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) tube (1) from the rocker arm cover.
  3. Remove the PCV valve (2) from the PCV tube (1).
    Fig 1: Removing Procedure Positive Crankcase Ventilation Valve
    G02116328Courtesy of GENERAL MOTORS CORP.
scientia non olet · About LEMON Manuals