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Home >> Chevrolet >> 2008 >> Optra LS, Standard >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls And Fuel - 2.0L (Diesel) >> Repair Instructions >> Exhaust Gas Recirculation Valve Replacement >> Installation Procedure
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Installation Procedure

    Fig 1: View Of EGR Valve And Bolts
    GM1863920Courtesy of GENERAL MOTORS CORP.
  1. Install the EGR valve.
    2. NOTE: Refer to Fastener Notice .
  2. Install the water pipe retaining bolt onto the engine block.

    Tighten: 

    • Tighten the EGR valve retaining nuts to EGR cooler to 20 N.m (14.8 lb ft)  .
    • Tighten the EGR valve retaining bolts to EGR inlet pipe to 20 N.m (14.8 lb ft)  .
    • Tighten the water pipe retaining bolt (M6) to 9 N.m (79.7 lb in)  .
    • Tighten the water pipe retaining bolt (M8) to 20 N.m (14.8 lb ft)  .

    3. Fig 2: View Of EGR Cooler Outlet Pipe And Retaining Bolts
    GM1863917Courtesy of GENERAL MOTORS CORP.
  3. Install the EGR cooler outlet pipe.
  4. Install the water pipe retaining bolt onto the engine block on the front.

    Tighten: 

    • Tighten the EGR cooler outlet pipe retaining bolts and nuts to 20 N.m (14.8 lb ft)  .
    • Tighten the water pipe retaining bolt (M8) to 20 N.m (14.8 lb ft)  .

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