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Home >> Chevrolet >> 2001 >> Venture Base, Van Passenger >> Repair and Diagnosis >> External Pages >> Different car >> Section 832 (Engine Mechanical (Repair Instructions 1 Of 3) - 5.7L) >> Repair Instructions (On-Vehicle & Off-Vehicle - Part 1 >> On-Vehicle Repair Instructions >> Engine Valley Cover Replacement >> Removal Procedure

Removal Procedure

WARNING: This page is about a different car, the 2004 Chevrolet Corvette. However, it is still accessible from the selected car via links, so may be relevant.
    Fig 1: View Of Knock Sensor Wire Harness
    GM309859Courtesy of GENERAL MOTORS CORP.
  1. Remove the intake manifold. Refer to Intake Manifold Replacement .
  2. Gently pry up the rubber grommets.
  3. Disconnect the knock sensor wire harness electrical connectors.
    4. Fig 2: View Of Knock Sensors
    GM309864Courtesy of GENERAL MOTORS CORP.
  4. Remove the knock sensors.
    5. Fig 3: View Of Engine Valley Cover, Gasket & Bolts
    GM65048Courtesy of GENERAL MOTORS CORP.
  5. If equipped with the 5.7 L, regular production option (RPO) LS1 engine, remove the engine valley cover bolts.
    6. Fig 4: Engine Valley Cover, Gasket, Bolts & LS6 Engine
    GM668798Courtesy of GENERAL MOTORS CORP.
  6. If equipped with the 5.7 L, RPO LS6 engine, remove the engine valley cover bolts.
  7. Remove the engine valley cover and gasket.
  8. Discard the engine valley cover gasket.
    9. Fig 5: View Of Knock Sensor Oil Seals & Cover
    GM490851Courtesy of GENERAL MOTORS CORP.
  9. Remove the knock sensor oil seals (1) from the cover (2).
  10. Clean and inspect the engine valley cover. Refer to Engine Valley Cover Cleaning and Inspection .
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