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Home >> Chevrolet >> 2005 >> Chevy Express H1500, Van Passenger >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 2 (Engine Mechanical - 4.3L) >> Repair Instructions >> On-Vehicle Repair Instructions >> Valve Rocker Arm Cover Replacement - Left >> Removal Procedure

Removal Procedure

WARNING: This page is about a different variant/trim than selected.
    Fig 1: Valve Rocker Arm Cover Positive Crankcase Ventilation Hose
    GM1545576Courtesy of GENERAL MOTORS CORP.
  1. Remove the engine cover. Refer to Engine Cover Replacement in Interior Trim.
  2. Remove the air cleaner assembly. Refer to Air Cleaner Assembly Replacement in Engine Controls - 4.3L.
  3. Remove the positive crankcase ventilation hose from the valve rocker arm cover.
    4. Fig 2: Bracket ECT Gage Sensor Connector
    GM543569Courtesy of GENERAL MOTORS CORP.
  4. Disconnect the engine coolant temperature (ECT) gage sensor electrical connector.
  5. Remove the ECT gage sensor connector from the bracket.
  6. Remove the spark plug wires for the left side of the engine from the distributor cap.
  7. Remove the air conditioning compressor discharge hose, if equipped. Refer to Discharge Hose Replacement (4.8L, 5.3L, 6.0L ) in Heating, Ventilation and Air Conditioning.
  8. Remove the air conditioning compressor suction hose, if equipped. Refer to Suction Hose Replacement in Heating, Ventilation and Air Conditioning.
    9. Fig 3: Valve Rocker Arm Cover Bolts (Left)
    GM328566Courtesy of GENERAL MOTORS CORP.
  9. Remove the valve rocker arm cover bolts.
    10. Fig 4: Valve Rocker Arm Cover (Left)
    GM480519Courtesy of GENERAL MOTORS CORP.
  10. Remove the valve rocker arm cover.
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