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Home › Pontiac › 2007 › Solstice Base, Standard › Repair and Diagnosis › Engine Mechanical › Engine Exhaust System › Repair Instructions › Exhaust Manifold Replacement (LE5) › Installation Procedure

Installation Procedure

    Fig 1: Exhaust Manifold
    GM1593748Courtesy of GENERAL MOTORS CORP.
  1. Install a NEW exhaust manifold gasket onto the studs.
  2. Install the exhaust manifold.
  3. Install the NEW exhaust manifold nuts finger tight.
    4. Fig 2: Catalytic Converter
    GM1592527Courtesy of GENERAL MOTORS CORP.
    NOTE: Refer to Fastener Notice .
  4. Install the catalytic converter to exhaust manifold nuts (1).

    Tighten:  Tighten the bolts to 50 N.m (37 lb ft).

    5. Fig 3: Exhaust Manifold Bolt Tightening Sequence
    GM1340643Courtesy of GENERAL MOTORS CORP.
  5. Tighten the exhaust manifold nuts in the sequence shown.

    Tighten:  Tighten the nuts to 14 N.m (10 lb ft).

    6. Fig 4: Exhaust Heat Shield
    GM1593131Courtesy of GENERAL MOTORS CORP.
  6. Install the heat shield.
  7. Install the exhaust manifold heat shield bolts.

    Tighten:  Tighten the bolts to 10 N.m (89 lb in).

    8. Fig 5: Identifying HO2S
    GM1593747Courtesy of GENERAL MOTORS CORP.
  8. Install the HO2S (1). Refer to Heated Oxygen Sensor 1 Replacement .
    9. Fig 6: Identifying CPA Retainer & HO2S Electrical Connector
    GM1592538Courtesy of GENERAL MOTORS CORP.
  9. Connect the HO2S electrical connector (2).
  10. Install the CPA retainer.
  11. Start the vehicle and inspect for leaks.
  12. Install the intake manifold cover. Refer to Intake Manifold Cover Replacement .
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