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Home >> Chevrolet >> 2023 >> Tahoe SSV >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 17 (Engine Mechanical - 3.0L (Lm2) Diesel - Repair Instructions (4 Of 11)) >> Repair Instructions >> Oil Pump Replacement (4WD without F47) >> Installation Procedure

Installation Procedure

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  1. GM5209212Courtesy of GENERAL MOTORS COMPANY

    Oil Pump Suction Pipe Gasket (3) - Install NEW

  2. Oil Pump Suction Pipe (2) - Install
    3. CAUTION:

    Refer to Fastener Caution .

  3. Oil Pump Suction Pipe Bolt (1) - Install and tighten - Fastener Specifications
  4. GM5208401Courtesy of GENERAL MOTORS COMPANY

    Oil Pump Gasket (3) - Install NEW [2x]

  5. Oil Pump (2) - Install
    6. CAUTION:

    Refer to Fastener Caution .

  6. Oil Pump Bolt (1) - Install and tighten in sequence [4x] - Fastener Specifications
  7. GM5208387Courtesy of GENERAL MOTORS COMPANY

    Connect the electrical connector at the oil pump flow control valve (1).

  8. GM5145853Courtesy of GENERAL MOTORS COMPANY
    NOTE:
    • Ensure that the sealing surface is clear of oil, grease and old sealant material.
    • Ensure proper use of room temperature vulcanizing (RTV) sealant. Use of Room Temperature Vulcanizing (RTV) and Anaerobic Sealant
    • The bolts must be installed and fastened to final torque specification immediately after the component is installed.

    Apply a 4.0 mm (0.158 in) bead of sealer (1) to the oil pan sealing surface. Adhesives, Fluids, Lubricants, and Sealers

  9. GM5199046Courtesy of GENERAL MOTORS COMPANY
    NOTE:

    Ensure the alignment pins are properly aligned when installing the oil pan.

    Lower Oil Pan (1) - Install NEW

  10. GM5145845Courtesy of GENERAL MOTORS COMPANY

    Oil Pan Bolt (1) - Install and hand tighten [23x]

  11. Oil Pan Bolt (1) - Tighten in sequence [23x] - Fastener Specifications
  12. GM5589733Courtesy of GENERAL MOTORS COMPANY
    NOTE:

    The front axle may have to be maneuvered to install it into the vehicle.

    Front Axle (1) - Install

  13. Front Axle Vent Hose - Connect
  14. GM5589730Courtesy of GENERAL MOTORS COMPANY

    Front Differential Carrier Bolt (1) - Install and tighten - Fastener Specifications

  15. GM5589729Courtesy of GENERAL MOTORS COMPANY

    Front Differential Carrier Bolt (2) - Install

  16. Front Differential Carrier Bracket Nut (1) - Install and tighten - Fastener Specifications
  17. GM5568922Courtesy of GENERAL MOTORS COMPANY

    Drivetrain and Front Suspension Frame Front Crossmember (1) - Install

  18. GM5568896Courtesy of GENERAL MOTORS COMPANY

    Drivetrain and Front Suspension Frame Reinforcement Bolt (2) - Install [4x]

  19. Using the EN-45059-A  Angle Meter, install and tighten the 4 drivetrain and front suspension frame reinforcement nuts (1). Fastener Specifications
  20. GM5568832Courtesy of GENERAL MOTORS COMPANY
    CAUTION:

    Refer to Torque-to-Yield Fastener Caution

    Front Differential Carrier Bolt (2) - Install NEW

  21. Front Differential Carrier Nut (1) - Install
  22. Using the EN-45059-A  Angle Meter, tighten the front differential carrier nut (1). Fastener Specifications
  23. GM5589726Courtesy of GENERAL MOTORS COMPANY

    Connect the front drive axle actuator electrical connector (1).

  24. Reposition the harness and secure the two harness retainers (2).
  25. GM5043426Courtesy of GENERAL MOTORS COMPANY

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

    1. Remove any loose cured adhesive from the external threads of the components using a lint free cloth.
    2. Thread the cleaned components into the internal mating threads and remove to loosen trapped cured adhesive.
    3. Apply thread locking adhesive to the external threads of the components. Adhesives, Fluids, Lubricants, and Sealers
    4. Ensure there are no gaps in the thread locking adhesive once applied to the component.
  26. Front Axle Propeller Shaft (1) - Install
  27. Align the reference marks made between the front axle propeller shaft (1) and the front differential drive pinion gear yoke.
  28. Front Axle Propeller Shaft Washer (3) - Install [3x]
  29. Install the 6 front axle propeller shaft bolts (2) and tighten in a crisscross pattern. Fastener Specifications
  30. GM5002019Courtesy of GENERAL MOTORS COMPANY
    NOTE:

    Prior to installing the front shock absorber, you MUST apply anti-corrosion wax to the frame shock tower.

    Apply anti-corrosion wax to the frame shock tower. ANTI-CORROSION TREATMENT AND REPAIR

  31. Front Shock Absorber (1) - Install
  32. {If Equipped} Connect the electrical connector at the shock absorber.
  33. GM5575833Courtesy of GENERAL MOTORS COMPANY
    NOTE:

    Using a jack stand support the lower control arm to prevent over-articulation of the front lower control arm ball joint.

    Front Shock Absorber Bolt (1) - Install and tighten [2x] - Fastener Specifications

  34. GM5568487Courtesy of GENERAL MOTORS COMPANY

    Front Shock Absorber Nut (1) - Install and tighten [3x] - Fastener Specifications

  35. GM5513756Courtesy of GENERAL MOTORS COMPANY

    Front Wheelhouse Liner (1) - Install

  36. GM5513753Courtesy of GENERAL MOTORS COMPANY
    NOTE:

    Quantity of fasteners may vary based on option content.

    Front Wheelhouse Liner Bolt (1) - Install and tighten [3x] - Fastener Specifications

  37. GM5513751Courtesy of GENERAL MOTORS COMPANY
    NOTE:

    Quantity of fasteners may vary based on option content.

    Front Wheelhouse Liner Bolt (1) - Install and tighten [3x] - Fastener Specifications

  38. GM5513749Courtesy of GENERAL MOTORS COMPANY
    NOTE:

    Quantity of fasteners may vary based on option content.

    Front Wheelhouse Liner Retainer (2) - Install

  39. Front Wheelhouse Liner Bolt (1) - Install and tighten [3x] - Fastener Specifications
  40. GM5513747Courtesy of GENERAL MOTORS COMPANY
    NOTE:

    Quantity of fasteners may vary based on option content.

    Front Wheelhouse Liner Bolt (1) - Install and tighten [3x] - Fastener Specifications

  41. GM5522093Courtesy of GENERAL MOTORS COMPANY

    {If equipped} Front Tire Front Air Deflector Bolt (1) - Install and tighten - Fastener Specifications

  42. GM5121838Courtesy of GENERAL MOTORS COMPANY

    Remove any buildup from the front differential carrier output shaft lead in chamfer (1) using an abrasive pad and wipe clean with a shop cloth.

  43. GM5595902Courtesy of GENERAL MOTORS COMPANY

    Front Wheel Drive Shaft Seal (2) - Install NEW

  44. Front Wheel Drive Shaft Retaining Ring (1) - Install NEW
  45. Apply a thin coating of grease to the splines of the front wheel drive half shaft and front differential carrier output shaft. Adhesives, Fluids, Lubricants, and Sealers
  46. GM5588259Courtesy of GENERAL MOTORS COMPANY
    NOTE:

    Some components not shown for graphic clarity.

    Install the front wheel drive half shaft (1) into the wheel hub.

  47. Install the front wheel drive half shaft (1) into the front axle.
  48. Ensure that the left front wheel drive half shaft (1) is fully seated in front differential carrier by pulling on the inner joint.
  49. Support the steering knuckle with a suitable jack stand.
  50. GM5604913Courtesy of GENERAL MOTORS COMPANY

    Front Upper Control Arm Ball Stud Nut (1) - Install and tighten - Fastener Specifications

  51. GM5588267Courtesy of GENERAL MOTORS COMPANY

    Steering Linkage Outer Tie Rod Nut (1) - Install and tighten - Fastener Specifications

  52. GM5582402Courtesy of GENERAL MOTORS COMPANY

    Install the front wheel speed sensor wiring harness bracket (2).

  53. Front Wheel Speed Sensor Bracket Bolt (1) - Install and tighten - Fastener Specifications
  54. GM5582579Courtesy of GENERAL MOTORS COMPANY

    Front Wheel Speed Sensor (2) - Install

  55. Front Wheel Speed Sensor Bolt (1) - Install and tighten - Fastener Specifications
  56. Front Wheel Speed Sensor Bracket (4) - Install
  57. Front Wheel Speed Sensor Bracket Bolt (3) - Install and tighten - Fastener Specifications
  58. GM5518506Courtesy of GENERAL MOTORS COMPANY

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

    1. Remove any loose cured adhesive from the external threads of the components using a lint free cloth.
    2. Thread the cleaned components into the internal mating threads and remove to loosen trapped cured adhesive.
    3. Apply thread locking adhesive to the external threads of the components. Adhesives, Fluids, Lubricants, and Sealers
    4. Ensure there are no gaps in the thread locking adhesive once applied to the component.
  59. Front Brake Caliper (1) - Install
  60. Front Brake Caliper Bolt (2) - Install and tighten [2x] - Fastener Specifications
  61. GM5527943Courtesy of GENERAL MOTORS COMPANY

    Front Brake Hose Bracket Bolt (1) - Install and tighten - Fastener Specifications

  62. GM5517176Courtesy of GENERAL MOTORS COMPANY
    NOTE:

    Only the left front wheel is equipped with the front disc brake pad wear sensor.

    Front Disc Brake Pad Wear Sensor (1) @Front Brake Caliper - Install

  63. GM5121838Courtesy of GENERAL MOTORS COMPANY

    Remove any buildup from the front differential carrier output shaft lead in chamfer (1) using an abrasive pad and wipe clean with a shop cloth.

  64. GM5595902Courtesy of GENERAL MOTORS COMPANY

    Front Wheel Drive Shaft Seal (2) - Install NEW

  65. Front Wheel Drive Shaft Retaining Ring (1) - Install NEW
  66. Apply a thin coating of grease to the splines of the front wheel drive half shaft and front differential carrier output shaft. Adhesives, Fluids, Lubricants, and Sealers
  67. GM5591240Courtesy of GENERAL MOTORS COMPANY
    NOTE:

    Some components not shown for graphic clarity.

    Install the front wheel drive half shaft (1) into the wheel hub.

  68. Install the front wheel drive half shaft (1) into the front axle.
  69. Ensure that the right front wheel drive half shaft (1) is fully seated in front differential carrier by pulling on the inner joint.
  70. Support the steering knuckle with a suitable jack stand.
  71. GM5591248Courtesy of GENERAL MOTORS COMPANY

    Front Upper Control Arm Ball Stud Nut (1) - Install and tighten - Fastener Specifications

  72. GM5591251Courtesy of GENERAL MOTORS COMPANY

    Steering Linkage Outer Tie Rod Nut (1) - Install and tighten - Fastener Specifications

  73. GM5591255Courtesy of GENERAL MOTORS COMPANY

    Install the front wheel speed sensor wiring harness bracket (2).

  74. Front Wheel Speed Sensor Bracket Bolt (1) - Install and tighten - Fastener Specifications
  75. GM5591242Courtesy of GENERAL MOTORS COMPANY

    Front Wheel Speed Sensor (2) - Install

  76. Front Wheel Speed Sensor Bolt (1) - Install and tighten - Fastener Specifications
  77. Front Wheel Speed Sensor Bracket (4) - Install
  78. Front Wheel Speed Sensor Bracket Bolt (3) - Install and tighten - Fastener Specifications
  79. GM5591236Courtesy of GENERAL MOTORS COMPANY

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

    1. Remove any loose cured adhesive from the external threads of the components using a lint free cloth.
    2. Thread the cleaned components into the internal mating threads and remove to loosen trapped cured adhesive.
    3. Apply thread locking adhesive to the external threads of the components. Adhesives, Fluids, Lubricants, and Sealers
    4. Ensure there are no gaps in the thread locking adhesive once applied to the component.
  80. Front Brake Caliper (1) - Install
  81. Front Brake Caliper Bolt (2) - Install and tighten [2x] - Fastener Specifications
  82. GM5591237Courtesy of GENERAL MOTORS COMPANY

    Front Brake Hose Bracket Bolt (1) - Install and tighten - Fastener Specifications

  83. Have an assistant apply the brakes.
  84. GM5591238Courtesy of GENERAL MOTORS COMPANY
    CAUTION:

    Refer to Torque-to-Yield Fastener Caution

    Front Wheel Drive Shaft Nut (1) - Install NEW and tighten - Fastener Specifications

  85. GM5580467Courtesy of GENERAL MOTORS COMPANY
    CAUTION:

    Refer to Torque-to-Yield Fastener Caution

    Front Wheel Drive Shaft Nut (1) - Install NEW and tighten - Fastener Specifications

  86. Install the front tire and wheel assemblies. Tire and Wheel Removal and Installation (Steel Wheel) , or Tire and Wheel Removal and Installation (Aluminum Wheel)
  87. GM5535970Courtesy of GENERAL MOTORS COMPANY

    Front Differential Carrier Oil Filler Plug (1) - Remove

  88. Inspect the gear lubricant level, it should be 16 - 22 mm (0.6-0.9 in) below the plug opening.
  89. If the level is low, add gear lubricant until the level is 16 - 22 mm (0.6-0.9 in) below the plug opening. Use the appropriate axle lubricant: Adhesives, Fluids, Lubricants, and Sealers
    90. CAUTION:

    Refer to Component Fastener Tightening Caution .

  90. Front Differential Carrier Oil Filler Plug (1) - Install and tighten - Fastener Specifications
  91. GM5519600Courtesy of GENERAL MOTORS COMPANY

    {with RC1} Install the underbody skid shield:

    1. Underbody Skid Shield (3) - Install
    2. Underbody Splash Shield Bolt (2) - Install and tighten [2x] - Fastener Specifications
    3. Underbody Skid Shield Bolt (1) - Install and tighten [2x] - Fastener Specifications
  92. GM5513633Courtesy of GENERAL MOTORS COMPANY

    {With WTX} Install the underbody skid shield:

    1. Underbody Skid Shield (2) - Install
    2. Underbody Skid Shield Bolt (1) - Install and tighten [4x] - Fastener Specifications
  93. GM5591026Courtesy of GENERAL MOTORS COMPANY
    NOTE:

    Support the front stabilizer shaft.

    Front Stabilizer Shaft (3) - Install

  94. Front Stabilizer Shaft Clamp (2) - Install [2x]
  95. If NEW threaded components are being installed, loosen the adhesive using a metal pick or similar tool before proceeding. If threaded components are reused, prepare the threaded components using the following steps:
    1. Remove any loose cured adhesive from the external threads of the components using a lint free cloth.
    2. Thread the cleaned components into the internal mating threads and remove to loosen trapped cured adhesive.
    3. Apply thread locking adhesive to the external threads of the components. Adhesives, Fluids, Lubricants, and Sealers
    4. Ensure there are no gaps in the thread locking adhesive once applied to the component.
  96. Front Stabilizer Shaft Bolt (1) - Install and tighten [4x] - Fastener Specifications
  97. GM5633908Courtesy of GENERAL MOTORS COMPANY

    Front Stabilizer Shaft Link@Front Lower Control Arm - Install

  98. Front Stabilizer Shaft Link Nut (1) - Install and tighten - Fastener Specifications
  99. GM5633900Courtesy of GENERAL MOTORS COMPANY

    Front Stabilizer Shaft Link@Lower Control Arm - Install

  100. Front Stabilizer Shaft Link Nut (1) - Install and tighten - Fastener Specifications
  101. Fill the engine oil to the proper level with NEW engine oil. Engine Oil and Oil Filter Replacement 
  102. Connect the battery negative cable. Battery Negative Cable Disconnection and Connection (9C1, 5W4) , or Battery Negative Cable Disconnection and Connection (KL9)
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