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Home >> Chevrolet >> 2004 >> Avalanche 2500 >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 6 (Engine Mechanical (Repair Instructions -- 1 Of 3) -- 4.8L, 5.3L & 6.0L) >> Repair Instructions (On-Vehicle & Off-Vehicle - Part 1) >> On-Vehicle Repair Instructions >> Crankcase Ventilation Hoses/Pipes Replacement >> Installation Procedure

Installation Procedure

WARNING: This page is about a different variant/trim than selected.
  1. Install the hose as necessary.
  2. Install the vent hose to the throttle body and the valve rocker arm cover.
    3. Fig 1: View Of Throttle Body To Valve Rocker Arm Cover PCV Hose
    GM1235681Courtesy of GENERAL MOTORS CORP.
  3. Install the PCV hose to the intake manifold and valve rocker arm cover.
    4. Fig 2: View Of PCV Hose
    GM1201537Courtesy of GENERAL MOTORS CORP.
  4. Install the engine sight shield. Refer to Engine Sight Shield Replacement (4.8L, 5.3L, and 6.0L (RPO LQ4))  or Engine Sight Shield Replacement (6.0L (RPO LQ9)) .
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