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Home >> Chevrolet >> 2008 >> Optra LS, Standard >> Repair and Diagnosis >> Engine Mechanical >> Engine Exhaust >> Repair Instructions >> Front Pipe Replacement (Diesel Engine) >> Removal Procedure

Removal Procedure

    CAUTION: In order to avoid being burned, do not service the exhaust system while it is still hot. Service the system when it is cool.
    CAUTION: Refer to Battery Disconnect Caution .
    NOTE: When inspecting or replacing exhaust system components, make sure there is adequate clearance from all points on the underbody to prevent overheating of the floor pan and possible damage to the passenger compartment insulation and trim materials.
  1. Disconnect the negative battery cable.
    2. Fig 1: Locating Exhaust Gas Temperature Sensor Connector
    GM1820485Courtesy of GENERAL MOTORS CORP.
  2. Disconnect the exhaust gas temperature sensor 1 connector.
  3. Remove the rubber hanger.
    4. Fig 2: View Of Front Exhaust Pipe And Attachment Points
    GM1863818Courtesy of GENERAL MOTORS CORP.
  4. Remove the exhaust front pipe with the gasket. If damaged, replace the new gasket.
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