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Home >> Cadillac >> 2010 >> DTS 4.6 Y >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Engine Control System & Fuel System - 4.6L - Repair Instructions - >> Repair Instructions >> Exhaust Gas Recirculation Valve Replacement >> Removal Procedure

Removal Procedure

    Fig 1: Locating Engine Harness Electrical Connectors
    GM1662118Courtesy of GENERAL MOTORS CORP.
  1. Remove the fuel injector sight shield, if necessary. Refer to Fuel Injector Sight Shield Replacement .
  2. Disconnect the engine harness electrical connector (2) from the exhaust gas recirculation (EGR) valve.
    3. Fig 2: EGR Bracket Shield
    GM1564178Courtesy of GENERAL MOTORS CORP.
  3. Remove the EGR bracket shield nuts.
  4. Remove the EGR bracket shield.
    5. Fig 3: View Of EGR Valve, Bolts & Gasket
    GM1564195Courtesy of GENERAL MOTORS CORP.
  5. Remove the EGR valve bolts.
  6. Remove the EGR valve.
  7. Remove and discard the EGR valve gasket.
    8. NOTE: Inspect the EGR passages in the water pump housing for deposits. Clean the EGR passages as needed. Refer to Exhaust Gas Recirculation (EGR) System Cleaning .
  8. Clean the EGR valve mounting surface.
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