4X2 - Independent Front Suspension

4X2

1. Tape the isolator pad to the top of the coil spring. Position the spring in the lower suspension arm well. Be sure that the coil spring is seated in the well.




2. Install Spring Compressor DD-1278 (2) up through the lower suspension arm, coil spring and shock hole in the frame.
3. Tighten the tool nut to compress the coil spring.




4. Install the steering knuckle Front Steering Knuckle - Installation .
5. Install the retaining nut on the upper ball joint and tighten to 54 Nm (40 ft. lbs.)(on 1500 series only an additional 90° turn is required) or 68 Nm (50 ft. lbs.)(HD 4X2 only).
6. Remove the spring compressor tool.
7. Support the lower control arm at the outboard side of the lower control arm to support vehicle weight.
8. Install the shock absorber. Installation .
9. Install the stabilizer link Front Stabilizer Link - Installation .
10. Remove the lower control arm support.
11. Install the wheel and tire assembly and lower the vehicle. Removal and Replacement .
12. Lower the vehicle to the floor with vehicle weight and Tighten the front and rear control arm frame pivot bolts if loosened to 204 Nm (150 ft. lbs.)for (LD) or 285 Nm (210 ft. lbs.)for (HD).
13. Perform a wheel alignment Service and Repair .