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Home >> GMC Truck >> 1999 >> K 1500 Truck 4WD V8-4.8L VIN V >> Repair and Diagnosis >> Transmission and Drivetrain >> Differential Assembly >> Service and Repair >> Front Drive Axle >> Differential Carrier (R&R Differential Assembly) >> Replacement

Replacement

Removal Procedure





1. Raise the vehicle. Refer to Vehicle Lifting.
2. Drain the front axle. Refer to Lubricant Change.
3. Remove the front propeller shaft. Refer to Propeller Shaft Replacement (Front Drive) in Propeller Shaft.
4. Remove the left and the right drive axle wheel drive shaft. Refer to Halfshaft Assembly Replacement.
5. Remove the axle tube nuts (2) from the bracket (1).
6. Remove the wiring at the axle.
7. Remove the vent hose at the axle. Refer to Vent Hose Replacement





8. Remove the carrier assembly lower mounting bolt (8) and the nut (4).
9. Disconnect the idler arm from the relay rod. Refer to Idler Arm Replacement in Steering Linkage (Non-Rack and Pinion).
10. Disconnect the pitman arm from the relay rod. Refer to Pitman Arm Replacement (S4WD) in Steering Linkage (Non-Rack and Pinion).
11. Attach a transmission jack to the carrier assembly (5).
12. Remove the upper carrier assembly mounting bolt (1) and the nut (2).
13. Remove the carrier assembly (5) from the vehicle.


Installation Procedure





1. Install the carrier assembly (5) to the vehicle.

Notice: Refer to Fastener Notice in Service Precautions.

2. Install the carrier assembly upper mounting bolt (1), and the nut (2).
Install the lower carrier assembly mounting bolt (3) and the nut (4).
^ Tighten the bolts to 100 Nm (75 ft. lbs.).
3. Remove the transmission jack.
4. Install the pitman arm to the relay rod. Refer to Pitman Arm Replacement (S4WD) in Steering Linkage (Non-Rack and Pinion).
5. Install the idler arm to the relay rod. Refer to Idler Arm Replacement in Steering Linkage (Non-Rack and Pinion).





6. Install the axle tube nuts (2) to the bracket.
^ Tighten the bolts to 100 Nm (75 ft. lbs.).
7. Install the vent hose. Refer to Vent Hose Replacement.
8. Install the wiring to the axle.
9. Install the left and the right drive axle wheel drive shaft. Refer to Halfshaft Assembly Replacement
10. Install the front propeller shaft to the pinion flange. Refer to Propeller Shaft Replacement (Front Drive) in Propeller Shaft.
11. Fill the front differential with lubricant until the level is 12mm (0.5 inch) below the fill plug.
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