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Home >> Buick >> 2013 >> Encore Base, AWD >> Repair and Diagnosis >> Engine Mechanical >> Engine Exhaust System >> Repair Instructions >> Exhaust Manifold Replacement (LUV) >> Installation Procedure

Installation Procedure

  1. Clean the sealing surfaces.
  2. Replace the connect fittings on the turbocharger coolant feed pipe and the turbocharger coolant return pipe. Refer to Turbocharger Assemble .
  3. Fig 1: Turbocharger Assembly And Turbocharger Gasket
    GM2190430Courtesy of GENERAL MOTORS COMPANY
    NOTE:

    Do not damage the turbocharger oil return pipe.

  4. Install the turbocharger assembly (1) with a NEW turbocharger gasket (2).
  5. Install the turbocharger oil return pipe. Refer to Turbocharger Oil Return Pipe Replacement .
  6. Fig 2: Turbocharger Nuts
    GM2190429Courtesy of GENERAL MOTORS COMPANY
  7. Install the 8 NEW turbocharger fasteners (1).
  8. CAUTION:

    Refer to Fastener Caution .

    NOTE:

    Never re-use the old turbocharger fasteners.

  9. Install the NEW 8 exhaust manifold fasteners (1).
  10. Fig 3: Turbocharger Nuts Tightening Sequence
    GM2192286Courtesy of GENERAL MOTORS COMPANY
  11. Tighten the 8 turbocharger fasteners in a sequence as shown to 8 (71 lb in).
  12. Fig 4: Turbocharger Oil Feed Pipe
    GM2190428Courtesy of GENERAL MOTORS COMPANY
  13. Connect the turbocharger coolant return hose (6) to the oil cooler coolant inlet pipe and install the turbocharger coolant return pipe bolt (7) to the oil cooler. Tighten the turbocharger coolant return pipe bolt to 8 N.m (71 lb in).
  14. Install the turbocharger oil feed pipe (2) along with a NEW rubber seal ring.
  15. Install the turbocharger oil feed pipe hollow screw (4) in compound with 2 NEW seal rings (1) and (3).
  16. Install the turbocharger oil feed pipe bolt (5) to the oil cooler and tighten to 10 N.m (89 lb in).
  17. Tighten the turbocharger oil feed pipe hollow screw to 30 N.m (22 lb ft).
  18. Fig 5: Holding Wrench And Ratchet Wrench
    GM2192012Courtesy of GENERAL MOTORS COMPANY
    NOTE:

    The EN-49942  holding wrench (2) should be installed to turbocharger coolant feed pipe as shown. The holding wrench should be installed to avoid twisting of the turbocharger coolant feed pipe during the fastening procedure.

  19. Install the EN-49942  holding wrench (2) to the turbocharger coolant feed pipe. Guide a ratchet wrench (1) along with an extension through EN-49942  holding wrench to the turbocharger coolant feed pipe hollow screw.
  20. Fig 6: Holding Wrench And Extension
    GM2192009Courtesy of GENERAL MOTORS COMPANY
    NOTE:

    EN-49942  holding wrench (2) should be installed to turbocharger coolant feed pipe as shown. The holding wrench should be installed to avoid twist of the turbocharger coolant feed pipe while the fastening procedure.

  21. Tighten the turbocharger coolant feed pipe hollow screw with ratchet wrench and extension (1) to 20 (15 lb ft).
  22. Install the turbocharger oil return pipe. Refer to Turbocharger Oil Return Pipe Replacement .
  23. Install the air conditioning compressor bracket. Refer to Air Conditioning Compressor Bracket Replacement (LUJ, LUV) or Air Conditioning Compressor Bracket Replacement (2H0) .
  24. Lower the vehicle.
  25. Install the catalytic converter. Refer to Catalytic Converter Replacement (2HO) .
  26. Fig 7: Turbocharger Wastegate Regulator Solenoid Valve Wiring Harness Connector And Retainer Clip
    GM2192219Courtesy of GENERAL MOTORS COMPANY
  27. Connect the turbocharger wastegate regulator solenoid valve wiring harness plug (1) and unclip the wiring harness from the retainer clip (2).
  28. Install the exhaust manifold heat shield. Refer to Exhaust Manifold Heat Shield Replacement (LUV) .
  29. Fig 8: Charge Air Bypass Valve Tube
    GM2342278Courtesy of GENERAL MOTORS COMPANY
  30. Install the charge air bypass valve tube (1) to the charge air bypass valve (2).
  31. Connect the positive crankcase ventilation pipe to the turbocharger. Refer to Positive Crankcase Ventilation Hose/Pipe/Tube Replacement .
  32. Install the air cleaner outlet duct. Refer to Air Cleaner Outlet Duct Replacement .
  33. Connect the battery negative cable. Refer to Battery Negative Cable Disconnection and Connection .
  34. Fill the coolant system. Refer to Cooling System Draining and Filling .
  35. Check and fill the engine oil.
  36. Close the hood.