LEMON Manuals: Even more car manuals for everyone
Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 1619 (Engine Mechanical - 4.8L, 5.3L & 6.0L) >> 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 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. Remove the engine sight shield. 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) .
  2. Remove the positive crankcase ventilation (PCV) tube (1) from the intake manifold and valve rocker arm cover.
  3. Remove the PCV valve (2) from the PCV tube (1).
    Fig 1: Removing PCV Valve & PCV Tube
    G02106610Courtesy of GENERAL MOTORS CORP.
  4. Remove the vent hose from the throttle body and the valve rocker arm cover.
  5. Replace the hose/tube as necessary.
    Fig 2: Removing Vent Hose
    G02106611Courtesy of GENERAL MOTORS CORP.
scientia non olet · About LEMON Manuals