Fig. 1: Exploded view of the B Series Pick-up U-bolt
and spring plate assembly — Navajo similar
Fig. 2: Exploded view of the spring-to-rear shackle assembly
Fig. 3: View of the spring-to-front bracket mounting
Raise the vehicle and install jackstands under the frame. The vehicle must
be supported in such a way that the rear axle hangs free with the tires still
touching the ground.
Remove the nuts from the spring U-bolts and drive the U-bolts from the U-bolt
plate.
Remove the spring to bracket nut and bolt at the front of the spring.
Remove the shackle upper and lower nuts and bolts at the rear of the spring.
Remove the spring and shackle assembly from the rear shackle bracket.
To install:
Position the spring in the shackle. Install the upper shackle spring bolt
and nut with the bolt head facing outward.
Position the front end of the spring in the bracket and install the bolt
and nut.
Position the shackle in the rear bracket and install the nut and bolt.
Position the spring on top of the axle with the spring tie bolt centered
in the hole provided in the seat.
Lower the vehicle to the floor. Torque the spring U-bolt nuts to 65–75
ft. lbs. (88–102 Nm). Torque the front spring bolt to 74–115 ft.
lbs. (100–155 Nm). Torque the rear shackle nuts and bolts to 74–115
ft. lbs. (100–155 Nm).