Suspension Spring ( Coil / Leaf ): Service and Repair

REMOVAL
1. SUPPORT BODY WITH SAFETY STANDS
a. Jack up and support the body on safety stands.
b. Lower the axle housing until the leaf spring tension is free, and keep it at this position.
2. REMOVE REAR WHEEL





3. REMOVE U-BOLTS
a. Remove the 4 U-bolt mounting nuts and washers.
b. Remove the spring seat and 2 U-bolts.
c. Remove the spring bumper.
4. REMOVE LEAF SPRING





a. Remove the nut, washer and bolt.





b. Remove the 2 nuts, washers, bolts, shackle and leaf spring.

REPLACEMENT
1. REPLACE BUSHINGS





a. Using a saw, cut the both bushing tabs as shown in the illustration.





b. Using SST and a press, press out the both inner tubes and rubber parts of the bushings.
SST 09950-60010 (09951-00350) 09950-70010 (09951-07150)





c. Using a chisel and hammer, tap out the outer tubes.





d. Using SST and a press, install 2 new bushings.
SST 09710-28012 (09710-07062), 09710-30041 (09710-03211)
2. REPLACE LEAF SPRING





a. Bend to open the spring clips.
Using a chisel and hammer, pry up the 2 spring clips.
b. Remove the center bolt and nut.
Hold the spring near the spring center bolt in a vise and remove the center bolt and nut.





c. Replace the spring clip.
1. Drill off the head of the rivet and drive it out.
2. Install a new rivet into the holes of the spring leaf and clip. Then rivet with a press.
d. Install spring center bolt and nut.
1. Align the leaf spring holes and secure the leaves with a vise.
2. Install the spring center bolt and nut.
Torque: 44 Nm (450 kgf-cm, 33 ft. lbs.)





e. Bend the spring clips.
Using a hammer, bend the spring clips into the position.

INSTALLATION
1. INSTALL LEAF SPRING
Install the shackle and leaf spring with 3 bolts, washers and nuts.
Torque: 170 Nm (1,735 kgf-cm, 125 ft. lbs.)

HINT: After stabilizing the suspension, torque the nuts.





2. INSTALL U-BOLTS
Install the spring bumper, spring seat and 2 U-bolts with the 4 washers and nuts.
Torque: 133 Nm (1,350 kgf-cm, 98 ft. lbs.)

HINT: Tighten the U-bolts so that the lengths of all the U-bolts under the spring seat are the same.

3. INSTALL REAR WHEEL
Torque: 110 Nm (1,150 kgf-cm, 81 ft. lbs.)
4. REMOVE SAFETY STANDS