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Home >> GMC >> 2007 >> Yukon Base, 4.8 C >> Repair and Diagnosis >> External Pages >> Different car >> Section 1848 (Front Suspension System) >> Repair Instructions >> Lower Control Arm Ball Joint Replacement >> Installation Procedure
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Installation Procedure

WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2011 GMC Yukon XL, 2011 GMC Yukon, 2011 Chevrolet Tahoe, 2011 Chevrolet Suburban, and 2011 Chevrolet Avalanche. However, it is still accessible from the selected car via links, so may be relevant.
    Fig 1: Positioning Lower Ball Joint
    GM2422636Courtesy of GENERAL MOTORS CORP.
  1. Position the lower ball joint (1) in the lower control arm.
    2. Fig 2: Aligning Lower Ball Joint Grease Fitting
    GM2422644Courtesy of GENERAL MOTORS CORP.
  2. Align the lower ball joint grease fitting (1) with the channel (2) in the lower control arm
    3. Fig 3: Installing Lower Ball Joint
    GM2356335Courtesy of GENERAL MOTORS CORP.
    NOTE:

    Ensure that the upper ball joint is not being rubbed on the ratchet during the removal or installation of the lower ball joint. Rubbing on the upper ball joint seal will cause premature failure of the upper ball joint.

  3. Using the J 41805  remover/installer (1), the appropriate adapter (3), and the CH 49240  install Kit (2), install the lower ball joint.
    4. Fig 4: Ensuring Ball Joint Is Fully Seated
    GM2422655Courtesy of GENERAL MOTORS CORP.
  4. Ensure that the ball joint (2) is fully seated against the lower control arm (1).
    5. Fig 5: Creating Lock Tabs
    GM2356321Courtesy of GENERAL MOTORS CORP.
  5. Using a hammer and a punch, created the lock tabs (1) for the lower ball joint.
  6. Install the knuckle. Refer to Steering Knuckle Replacement (1500) , Steering Knuckle Replacement (2500) .
  7. Install the lower ball joint stud nut and tighten to:
    • First Pass: 50 N.m (37 lb ft)
    • Final Pass: additional 95 degrees
  8. Remove the support and lower the vehicle.


    Fig 1: Positioning Ball Joint
    GM2354986Courtesy of GENERAL MOTORS CORP.
  1. Position the ball joint (1) in the lower control arm.
    2. Fig 2: Installing Ball Joint
    GM2353285Courtesy of GENERAL MOTORS CORP.
    NOTE:

    Ensure that the upper ball joint is not being rubbed on the ratchet during the removal or installation of the lower ball joint. Rubbing on the upper ball joint seal will cause premature failure of the upper ball joint.

    NOTE:

    When using adapter CH-49240-2, the ensure that the teeth for the lock tabs are facing upward.

  2. Using the and a shallow socket J-41805  kit (2), CH-49240-3 (1), CH-49240-1 (4) and the CH-49240-2 (2), install the ball joint.
    3. Fig 3: Creating Lock Tabs
    GM2355055Courtesy of GENERAL MOTORS CORP.
  3. Reverse the CH-49240-2 (3).
  4. Using the J-41805  kit (2), CH-49240-3 (1), CH-49240-1 (4) and the CH-49240-2 (2), collapse the edge of the ball joint to create the lock tabs (5). Tighten the CH-49240-3 to 250 N.m (184 lb ft).
    5. NOTE:

    Repeat step 4 to ensure that all of the lock tabs are of the same depth and size.

  5. Rotate the J-41805  kit (2) 180 degrees and repeat the process.
  6. Install the wheel drive shaft, if needed. Refer to Wheel Drive Shaft Replacement (2500) , Wheel Drive Shaft Replacement (1500) .
  7. Install the steering knuckle in the vehicle. Refer to Steering Knuckle Replacement (1500) , Steering Knuckle Replacement (2500) .
  8. Install the lower ball joint stud nut and tighten to:
    • First Pass: 50 N.m (37 lb ft)
    • Final Pass: plus 95 degrees
  9. Remove the supports and lower the vehicle.
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