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Home >> GMC >> 2003 >> Safari Van Cargo, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 1354 (Engine Mechanical - 4.8L, 5.3L & 6.0L) >> Repair Instructions >> On-Vehicle Repair Instructions >> Positive Crankcase Ventilation (PCV) Valve Replacement >> Installation Procedure

Installation Procedure

WARNING: This page is about a different car, the 2003 GMC Sierra, 2003 GMC Cab & Chassis Sierra, 2003 Chevrolet Silverado, and 2003 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.
  1. Install a new PCV valve (2) to the PCV tube (1).
  2. Install the PCV tube (1) to the rocker arm cover.
  3. Install the engine sight shield, if required. Refer to Engine Sight Shield Replacement (4.8L, 5.3L, and 6.0L Engines)  or Engine Sight Shield Replacement (6.0L Engine w/RPOs Y91 and Z88) .
    Fig 1: Installing PCV Valve & PCV Tube
    G02106609Courtesy of GENERAL MOTORS CORP.
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