Removal Procedure

The optional oil cooler is either an integral part of the radiator or a separate unit placed in front of the radiator. The cooler lines and hoses are serviceable.

1. Remove Air Cleaner Assembly. Refer to Air Cleaner Assembly Replacement
Fig 1: Oil Cooler Hoses And Clips
Courtesy of GENERAL MOTORS COMPANY
2. Disconnect the oil cooler lines from the radiator. Refer to Metal Collar Quick Connect Fitting Service .
3. Remove the oil cooler hoses from the clip.
4. Raise and suitably support the vehicle. Refer to Lifting and Jacking the Vehicle .
5. Place a jack or utility stands at the rear of the vehicle.
6. If equipped, remove the underbody skid shield. Refer to Underbody Skid Shield Replacement .
7. If equipped, remove the steering gear skid shield. Refer to Steering Gear Skid Shield Replacement .
Fig 2: Differential Carrier Nuts And Bolts
Courtesy of GENERAL MOTORS COMPANY
8. Support the front differential carrier with a suitable adjustable jack.
9. For 8.25 inch axle, remove the front axle right side nuts and the left side bolts.
10. For 9.25 inch axle, remove the front differential carrier bracket nuts and bolts from the front differential carrier assembly.
    • For the right side, refer to Front Differential Carrier Bracket Replacement - Right Side (9.25 HD Inch Axle)Front Differential Carrier Bracket Replacement - Right Side (8.25 Inch Axle) .
    • For the left side, refer to Front Differential Carrier Bracket Replacement - Left Side (9.25 HD Inch Axle)Front Differential Carrier Bracket Replacement - Left Side (8.25 Inch Axle) .
Fig 3: Oil Cooler Hose Bracket And Bolt
Courtesy of GENERAL MOTORS COMPANY
11. Lower the differential carrier.
12. Remove the oil cooler hose bracket bolt. (1)
Fig 4: Engine Oil Cooler Hose Adapter, Bolts And Gasket
Courtesy of GENERAL MOTORS COMPANY
13. Remove the oil cooler hose adapter bolts. (1)
14. Remove the oil cooler hose assembly (2). Discard the gasket (3).
15. Inspect the fittings, connectors, and cooler hoses for damage or distortion.