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Home >> Chevrolet >> 2023 >> Tahoe SSV >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 18 (Engine Mechanical - 3.0L (Lm2) Diesel - Repair Instructions (5 Of 11)) >> Repair Instructions >> Engine Replacement >> Installation Procedure

Installation Procedure

WARNING: This page is about a different variant/trim than selected.
    NOTE:

    A NEW service engine assembly containing NEW fuel injectors will have a new fuel injector QR code label located on the side of the camshaft housing.

  1. If installing a NEW service engine assembly containing NEW fuel injectors, remove and DISCARD the original engine's injector QR code label located on the charge air cooler.
  2. GM5136890Courtesy of GENERAL MOTORS COMPANY

    Generator and Air Conditioning Compressor Bracket (1) - Install

  3. Generator and Air Conditioning Compressor Bracket Bolt (2) - Install and tighten [4x] - Fastener Specifications
  4. GM5136940Courtesy of GENERAL MOTORS COMPANY

    Engine Coolant Thermostat Housing Gasket (1) - Install NEW

  5. Engine Coolant Flow Control Valve (2) - Install
  6. Engine Coolant Flow Control Valve Bolt (3) Install and hand tighten [6x]
  7. Engine Coolant Flow Control Valve Bolt (3) - Tighten in sequence [6x] - Fastener Specifications
  8. Attach coolant temperature sensor wiring harness retainer to the engine coolant flow control valve.
  9. GM5136785Courtesy of GENERAL MOTORS COMPANY

    Intake Manifold Gasket (3) - Install NEW [6x]

  10. Intake Manifold (1) - Install
  11. Intake Manifold Bolt (2) - Install and hand tighten [9x]
  12. Intake Manifold Bolt (2) - Tighten in sequence [9x] - Fastener Specifications
  13. GM5136780Courtesy of GENERAL MOTORS COMPANY
    WARNING:

    The noise cancelling foam component MUST be replaced if it has been exposed to engine fluids. Failure to replace the noise cancelling foam component that has been exposed to engine fluids may result in an engine fire resulting in catastrophic engine damage, and possible injury or death.

    Intake Manifold Cover (1) - Install

  14. Intake Manifold Cover Retainer (2) - Install [2x]
  15. GM5136778Courtesy of GENERAL MOTORS COMPANY

    Attach the wiring harness retainers to the intake manifold.

  16. GM5834501Courtesy of GENERAL MOTORS COMPANY
    NOTE:

    Some components not shown for graphic clarity.

    Catalytic Converter Brace Bracket (2) - Install

  17. Catalytic Converter Brace Bracket Nut (1) - Install and tighten [2x] - Fastener Specifications
  18. GM5136724Courtesy of GENERAL MOTORS COMPANY

    Exhaust Manifold Gasket (1) - Install NEW

  19. Exhaust Manifold (2) - Install
  20. If a NEW threaded component is being installed, loosen the adhesive using a metal pick or similar tool before proceeding. If threaded component is reused, prepare the threaded component using the following steps:
    1. Remove any loose cured adhesive from the external threads of the component using a lint free cloth.
    2. Thread the cleaned component into the internal mating threads and remove to loosen trapped cured adhesive.
    3. Apply thread locking adhesive to the external threads of the component. Adhesives, Fluids, Lubricants, and Sealers
    4. Ensure there are no gaps in the thread locking adhesive once applied to the component.
  21. Exhaust Manifold Flange Bolt (3) - Install and hand tighten [12x]
  22. Exhaust Manifold Flange Bolt (3) - Tighten in sequence [12x] - Fastener Specifications
  23. GM5136722Courtesy of GENERAL MOTORS COMPANY

    Exhaust Manifold Heat Shield (1) Install

  24. Exhaust Manifold Heat Shield Bolt (2) - Install and tighten - Fastener Specifications
  25. GM5136702Courtesy of GENERAL MOTORS COMPANY

    Turbocharger Oil Return Pipe Gasket (5) - Install NEW

  26. Turbocharger Oil Return Pipe Gasket (6) - Install NEW
  27. Turbocharger Gasket (3) - Install NEW
  28. Turbocharger Assembly (1) - Install
  29. Turbocharger Nut (2, 4) - Install NEW [3x]
  30. Turbocharger Oil Return Pipe Bolt (8) - Install and tighten [2x] - Fastener Specifications
  31. Turbocharger Oil Return Pipe Bolt (7) - Install and tighten [2x] - Fastener Specifications
  32. Lower Crankcase Extension Bolt (9) Install and tighten - Fastener Specifications
  33. Turbocharger Nut (2, 4) - Tighten [3x] - Fastener Specifications
  34. GM5218149Courtesy of GENERAL MOTORS COMPANY

    Engine Mount Bracket (2) - Install

  35. Engine Mount Bracket Bolt (1) - Install and tighten [4x] - Fastener Specifications
  36. GM5218151Courtesy of GENERAL MOTORS COMPANY

    Engine Mount (1) - Install

  37. GM5218156Courtesy of GENERAL MOTORS COMPANY

    If a NEW threaded component is being installed, loosen the adhesive using a metal pick or similar tool before proceeding. If threaded component is reused, prepare the threaded component using the following steps:

    1. Remove any loose cured adhesive from the external threads of the component using a lint free cloth.
    2. Thread the cleaned component into the internal mating threads and remove to loosen trapped cured adhesive.
    3. Apply thread locking adhesive to the external threads of the component. Adhesives, Fluids, Lubricants, and Sealers
    4. Ensure there are no gaps in the thread locking adhesive once applied to the component.
  38. Engine Mount Engine Side Bolt (1) - Install NEW and tighten [2x] - Fastener Specifications
  39. GM5217886Courtesy of GENERAL MOTORS COMPANY

    Engine Mount Bracket (2) - Install

  40. Engine Mount Bracket Bolt (1) - Install and tighten [4x] - Fastener Specifications
  41. GM5217866Courtesy of GENERAL MOTORS COMPANY

    Engine Mount (1) - Install

  42. GM5217861Courtesy of GENERAL MOTORS COMPANY

    If a NEW threaded component is being installed, loosen the adhesive using a metal pick or similar tool before proceeding. If threaded component is reused, prepare the threaded component using the following steps:

    1. Remove any loose cured adhesive from the external threads of the component using a lint free cloth.
    2. Thread the cleaned component into the internal mating threads and remove to loosen trapped cured adhesive.
    3. Apply thread locking adhesive to the external threads of the component. Adhesives, Fluids, Lubricants, and Sealers
    4. Ensure there are no gaps in the thread locking adhesive once applied to the component.
  43. Engine Mount Engine Side Bolt (1) - Install NEW and tighten [2x] - Fastener Specifications
  44. GM5135382Courtesy of GENERAL MOTORS COMPANY

    Exhaust Gas Recirculation Valve Inlet Gasket (3) - Install NEW

  45. Install the exhaust gas recirculation valve (2) and exhaust gas recirculation cooler inlet pipe as an assembly.
  46. Exhaust Gas Recirculation Valve Bolt (1) - Install and tighten [2x] - Fastener Specifications
  47. GM5795384Courtesy of GENERAL MOTORS COMPANY

    Exhaust Gas Recirculation Valve Bracket Nut (1) - Install and tighten - Fastener Specifications

  48. GM5135103Courtesy of GENERAL MOTORS COMPANY

    Positive Crankcase Ventilation Hose (2) - Install

  49. Positive Crankcase Ventilation Hose Clamp (1) - Engage [2x] - Hose Clamp Replacement Guidelines - Spring Type
  50. GM5835437Courtesy of GENERAL MOTORS COMPANY

    Catalytic Converter Brace Bracket (1) - Install

  51. Catalytic Converter Brace Bracket Bolt (2) - Install and tighten [2x] - Fastener Specifications
  52. GM5134446Courtesy of GENERAL MOTORS COMPANY

    Engine Coolant Thermostat Gasket (1, 6) @Thermostat Bypass Hose - Install NEW [2x]

  53. Thermostat Bypass Hose (3) - Install
  54. Thermostat Bypass Pipe Bolt (2, 5) - Install and tighten [4x] - Fastener Specifications
  55. Thermostat Bypass Pipe Bolt (4) - Install and tighten - Fastener Specifications
  56. GM5134389Courtesy of GENERAL MOTORS COMPANY

    Engine Coolant Thermostat Gasket (4) @Thermostat Bypass Hose - Install NEW

  57. Thermostat Bypass Hose (2) - Install
  58. Thermostat Bypass Hose Clamp (1) - Engage - Hose Clamp Replacement Guidelines - Spring Type
  59. Thermostat Bypass Pipe Bolt (3) - Install and tighten [2x] - Fastener Specifications
  60. GM5620582Courtesy of GENERAL MOTORS COMPANY

    Thermostat Bypass Pipe Gasket (3) - Install NEW

  61. Thermostat Bypass Pipe (2) - Install
  62. Thermostat Bypass Pipe Bolt (1) - Install and tighten [2x] - Fastener Specifications
  63. GM5620616Courtesy of GENERAL MOTORS COMPANY

    Thermostat Bypass Pipe Gasket (3) - Install NEW

  64. Thermostat Bypass Pipe (2) - Install
  65. Thermostat Bypass Pipe Bolt (1) - Install and tighten [2x] - Fastener Specifications
  66. GM5609033Courtesy of GENERAL MOTORS COMPANY

    Turbocharger Coolant Feed and Return Pipe Gasket (1) - Install NEW [2x]

  67. GM5203915Courtesy of GENERAL MOTORS COMPANY
    NOTE:

    Some components not shown for graphic clarity.

    Engine Coolant Air Bleed Hose (3) - Install

  68. Engine Coolant Air Bleed Hose Stud (2) - Install and tighten - Fastener Specifications
  69. Engine Coolant Air Bleed Pipe Bolt (1) - Install and tighten [2x] - Fastener Specifications
  70. GM5203904Courtesy of GENERAL MOTORS COMPANY
    NOTE:

    Some components not shown for graphic clarity.

    Wiring Harness Retainer (3) @Engine Coolant Air Bleed Hose - Install [2x]

  71. Install the EN-52474  Engine Lift Bracket Set.
  72. Using a suitable engine lifting device, remove the engine from the engine stand.
  73. GM5207474Courtesy of GENERAL MOTORS COMPANY

    Remove the EN-52449  Engine Stand Adapter (2) from the engine block (1).

  74. Install the engine. Engine Removal and Installation (4WD, with RC1, without F47) , or Engine Removal and Installation (2WD, with RC1, without F47) Engine Removal and Installation (4WD, with RC1, with F47) , or Engine Removal and Installation (2WD, with RC1, with F47) , or Engine Removal and Installation (4WD, with WTX, with F47) , or Engine Removal and Installation (2WD, with WTX, with F47) , or Engine Removal and Installation (4WD, with WTX, without F47) , or Engine Removal and Installation (2WD, with WTX, without F47)
  75. Prelube is necessary if the engine is replaced or overhauled. Engine Prelubing
  76. Perform the fuel injector flow rate programming. Fuel Injector Flow Rate Programming
  77. Perform the high pressure fuel variable reset. High Pressure Fuel Variable Reset
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