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Home >> Buick >> 2007 >> Lucerne CX >> Repair and Diagnosis >> External Pages >> Different car >> Section 60 (Engine Exhaust System) >> Repair Instructions >> Exhaust Manifold Replacement - Left (RPOs L26/L32) >> Removal Procedure

Removal Procedure

WARNING: This page is about a different car, the 2005 Buick LaCrosse and 2005 Buick Allure. However, it is still accessible from the selected car via links, so may be relevant.
  1. Disconnect the negative battery cable. Refer to Battery Negative Cable Disconnect/Connect Procedure in Engine Electrical.
  2. Remove the fuel injector sight shield. Refer to Fuel Injector Sight Shield Replacement in Engine Mechanical - 3.8L.
  3. Remove the engine mount struts. Refer to Engine Mount Strut Replacement - Right andEngine Mount Strut Replacement - Left in Engine Mechanical - 3.8L.
  4. Remove the lower right engine mount strut bracket. Refer to Engine Mount Strut Bracket Replacement - Right (L26) in Engine Mechanical - 3.8L.
    5. Fig 1: View Of Exhaust Crossover Pipe
    GM153576Courtesy of GENERAL MOTORS CORP.
  5. Remove the exhaust crossover pipe bolts from the left exhaust manifold.
  6. Remove the left spark plugs from cylinders 1,3 and 5. Refer to Spark Plug Replacement in Engine Controls - 3.8L.
  7. Remove the oil level indicator tube. Refer to Oil Level Indicator and Tube Replacement in Engine Mechanical - 3.8L.
    8. Fig 2: Left Engine Lift Bracket (3.8L)
    GM153577Courtesy of GENERAL MOTORS CORP.
  8. Remove the left engine lift bracket bolt and the nut.
  9. Remove the left engine lift bracket
    10. Fig 3: View Of Exhaust Manifold Heat Shield
    GM153578Courtesy of GENERAL MOTORS CORP.
  10. Remove the exhaust manifold heat shield nuts.
  11. Remove the exhaust manifold heat shield.
    12. Fig 4: View Of Exhaust Manifold
    GM97756Courtesy of GENERAL MOTORS CORP.
  12. Remove the exhaust manifold bolts and the nuts.
  13. Remove the exhaust manifold.
  14. Remove the exhaust manifold gasket.
  15. Clean and inspect the left exhaust manifold. Refer to Exhaust Manifold Cleaning and Inspection in Engine Mechanical - 3.8L.
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