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Home >> Chevrolet >> 2006 >> Optra LS, Standard >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - 2.0L (L34 GMDAT) - Introduction And Mechanical Repairs >> Repair Instructions >> Exhaust Gas Recirculation Valve Adapter Pipe Replacement >> Installation Procedure
July 1: So it begins. Don't worry, this is not in the correct legal jurisdiction!

Installation Procedure

    Fig 1: Identifying EGR Valve Adapter And Retaining Bolts
    GM1671469Courtesy of GENERAL MOTORS CORP.
  1. Position the EGR valve adapter and gasket.
    2. NOTE: Refer to Battery Disconnect Caution .
  2. Install the EGR valve adapter retaining bolts.

    Tighten: 

    • Tighten the EGR valve adapter retaining bolts (1) to 20 N.m (15 lb ft)  .
    • Tighten the EGR valve adapter retaining bolts (2) to 30 N.m (22 lb ft)  .

  3. Install the heater return hose to the EGR valve adapter.
  4. Connect the EGR valve and the CTS electrical connectors.
  5. Install the spark plug wires.
  6. Install the valve rocker arm cover. Refer to Valve Rocker Arm Cover Replacement .
  7. Refill the engine coolant. Refer to Draining and Filling Cooling System .
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