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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 >> Lower Oil Pan Replacement (4WD with F47) >> Installation Procedure

Installation Procedure

WARNING: This page is about a different variant/trim than selected.
  1. 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

  2. GM5199046Courtesy of GENERAL MOTORS COMPANY
    NOTE:

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

    Lower Oil Pan (1) - Install NEW

  3. GM5145845Courtesy of GENERAL MOTORS COMPANY

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

    4. CAUTION:

    Refer to Fastener Caution .

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

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

    Front Axle (1) - Install

  6. Front Axle Vent Hose - Connect
  7. GM5589730Courtesy of GENERAL MOTORS COMPANY

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

  8. GM5589729Courtesy of GENERAL MOTORS COMPANY

    Front Differential Carrier Bolt (2) - Install

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

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

  11. GM5568896Courtesy of GENERAL MOTORS COMPANY

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

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

    Front Differential Carrier Bolt (2) - Install NEW

  14. Front Differential Carrier Nut (1) - Install
    15. CAUTION:

    Refer to Torque-to-Yield Fastener Caution

  15. Using the EN-45059-A  Angle Meter, tighten the front differential carrier nut (1). Fastener Specifications
  16. GM5589726Courtesy of GENERAL MOTORS COMPANY

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

  17. Reposition the harness and secure the two harness retainers (2).
  18. 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.
  19. Front Axle Propeller Shaft (1) - Install
  20. Align the reference marks made between the front axle propeller shaft (1) and the front differential drive pinion gear yoke.
  21. Front Axle Propeller Shaft Washer (3) - Install [3x]
  22. Install the 6 front axle propeller shaft bolts (2) and tighten in a crisscross pattern. Fastener Specifications
    23. NOTE:

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

  23. Apply anti-corrosion wax to the frame shock tower. ANTI-CORROSION TREATMENT AND REPAIR
  24. Support the front shock absorber using a suitable jack stand.
  25. GM5681196Courtesy of GENERAL MOTORS COMPANY

    Reposition the air line, then install and tighten the air line nut (1). Fastener Specifications

  26. GM5613680Courtesy of GENERAL MOTORS COMPANY

    Front Shock Absorber (1) - Install

  27. GM5613678Courtesy of GENERAL MOTORS COMPANY

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

  28. Remove the front shock absorber support.
  29. GM5613679Courtesy of GENERAL MOTORS COMPANY

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

  30. GM5613681Courtesy of GENERAL MOTORS COMPANY

    Reposition and install the chassis wiring harness bracket (1) to the frame shock tower.

  31. GM5613676Courtesy of GENERAL MOTORS COMPANY

    Connect the electrical connector for the electronic suspension wheel front vertical accelerometer (1) and the front air shock harness electrical connector (2).

  32. 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.

  33. GM5595902Courtesy of GENERAL MOTORS COMPANY

    Front Wheel Drive Shaft Seal (2) - Install NEW

  34. Front Wheel Drive Shaft Retaining Ring (1) - Install NEW
  35. 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
  36. 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.

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

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

  41. GM5588267Courtesy of GENERAL MOTORS COMPANY

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

  42. GM5615179Courtesy of GENERAL MOTORS COMPANY

    Install the electronic suspension wheel front vertical accelerometer (3) with the harnesses (1).

  43. Electronic Suspension Rear Vertical Accelerometer Bolt (2) - Install and tighten - Fastener Specifications
  44. GM5582579Courtesy of GENERAL MOTORS COMPANY

    Front Wheel Speed Sensor (2) - Install

  45. Front Wheel Speed Sensor Bolt (1) - Install and tighten - Fastener Specifications
  46. Front Wheel Speed Sensor Bracket (4) - Install
  47. Front Wheel Speed Sensor Bracket Bolt (3) - Install and tighten - Fastener Specifications
  48. 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.
  49. Front Brake Caliper (1) - Install
  50. Front Brake Caliper Bolt (2) - Install and tighten [2x] - Fastener Specifications
  51. GM5527943Courtesy of GENERAL MOTORS COMPANY

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

  52. 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

  53. 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.

  54. GM5595902Courtesy of GENERAL MOTORS COMPANY

    Front Wheel Drive Shaft Seal (2) - Install NEW

  55. Front Wheel Drive Shaft Retaining Ring (1) - Install NEW
  56. 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
  57. 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.

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

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

  62. GM5591251Courtesy of GENERAL MOTORS COMPANY

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

  63. GM5615183Courtesy of GENERAL MOTORS COMPANY

    Install the harness (1) and the electronic suspension wheel front vertical accelerometer (3).

  64. Electronic Suspension Rear Vertical Accelerometer Bolt (2) - Install and tighten - Fastener Specifications
  65. GM5591242Courtesy of GENERAL MOTORS COMPANY

    Front Wheel Speed Sensor (2) - Install

  66. Front Wheel Speed Sensor Bolt (1) - Install and tighten - Fastener Specifications
  67. Front Wheel Speed Sensor Bracket (4) - Install
  68. Front Wheel Speed Sensor Bracket Bolt (3) - Install and tighten - Fastener Specifications
  69. 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.
  70. Front Brake Caliper (1) - Install
  71. Front Brake Caliper Bolt (2) - Install and tighten [2x] - Fastener Specifications
  72. GM5591237Courtesy of GENERAL MOTORS COMPANY

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

  73. Have an assistant apply the brakes.
  74. 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

  75. 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

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

    Front Differential Carrier Oil Filler Plug (1) - Remove

  78. Inspect the gear lubricant level, it should be 16 - 22 mm (0.6-0.9 in) below the plug opening.
  79. 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
    80. CAUTION:

    Refer to Component Fastener Tightening Caution .

  80. Front Differential Carrier Oil Filler Plug (1) - Install and tighten - Fastener Specifications
  81. 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
  82. 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
  83. GM5591026Courtesy of GENERAL MOTORS COMPANY
    NOTE:

    Support the front stabilizer shaft.

    Front Stabilizer Shaft (3) - Install

  84. Front Stabilizer Shaft Clamp (2) - Install [2x]
  85. 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.
  86. Front Stabilizer Shaft Bolt (1) - Install and tighten [4x] - Fastener Specifications
  87. GM5633908Courtesy of GENERAL MOTORS COMPANY

    Front Stabilizer Shaft Link@Front Lower Control Arm - Install

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

    Front Stabilizer Shaft Link@Lower Control Arm - Install

  90. Front Stabilizer Shaft Link Nut (1) - Install and tighten - Fastener Specifications
  91. Fill the engine oil to the proper level with NEW engine oil. Engine Oil and Oil Filter Replacement 
  92. Connect the battery negative cable. Battery Negative Cable Disconnection and Connection (9C1, 5W4) , or Battery Negative Cable Disconnection and Connection (KL9)
  93. Turn service mode off.
  94. With the vehicle off the hoist and on flat level ground, use the scan tool to reset trim heights. Trim Height Inspection
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