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Home >> Chevrolet >> 2008 >> Impala Police >> Repair and Diagnosis >> External Pages >> Different car >> Section 80 (Engine Mechanical - 3.6L (Ly7) (Repair Instructions -- 4 Of 5)) >> Off-Vehicle Repair Instructions - Part 3 >> Exhaust Manifold Installation - Left

Exhaust Manifold Installation - Left

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.
    Fig 1: Left Exhaust Manifold
    GM1395931Courtesy of GENERAL MOTORS CORP.
  1. Position a NEW exhaust manifold gasket onto the left exhaust manifold.
  2. Install the exhaust manifold bolts into the left exhaust manifold.
  3. Place the left exhaust manifold, exhaust manifold gasket and bolts as an assembly in position on the left cylinder head.
  4. NOTE: Refer to Fastener Notice in Cautions and Notices.
  5. Install the exhaust manifold bolts into the left cylinder head.

    Tighten:  Tighten the exhaust manifold bolts to 25 N.m (18 lb ft).

  6. Fig 2: Engine Coolant Temperature (ECT) Sensor
    GM1412140Courtesy of GENERAL MOTORS CORP.
  7. Install the engine coolant temperature (ECT) sensor.

    Tighten:  Tighten the ECT sensor to 22 N.m (16 lb ft).

  8. Install NEW O-rings on the crankshaft position sensor.
  9. Fig 3: Identifying Left Exhaust Manifold Heat Shield Bolts
    GM1395926Courtesy of GENERAL MOTORS CORP.
  10. Place the left exhaust manifold heat shield in position.
  11. Install the exhaust manifold heat shield bolts.

    Tighten:  Tighten the exhaust manifold heat shield bolts to 10 N.m (89 lb in).

  12. Fig 4: View Of Left Torque Strut Bracket & Bolts
    GM1412139Courtesy of GENERAL MOTORS CORP.
  13. Install the left torque strut bracket.
  14. Install the left torque strut bracket bolts.

    Tighten:  Tighten the left torque strut bracket bolts to 50 N.m (37 lb ft).