Suburban 3/4 Ton 4WD V8-305 5.0L (1986)
Suspension Spring ( Coil / Leaf ): Service and Repair
Spring Bushings Replace
Fig. 14 U-bolt nuts torque chart
SERIES 10---30/1500---3500
1.
Raise and support vehicle and allow axle to hang freely.
2.
Loosen, but do not remove, spring to shackle retaining nut.
3.
Remove shackle to spring hanger retaining nut and bolt.
4.
Remove spring to front hanger retaining nut and bolt.
5.
Remove U-bolt retaining nuts, then the U-bolt and spring plate.
6.
Remove leaf spring from vehicle.
7.
To replace bushing, position spring on an arbor press and press bushing from spring using a suitable rod or pipe. On some vehicles equipped
with heavy duty leaf springs, the front bushing is staked in place. Before attempting to remove these bushings, the staked locations must
be straightened with a suitable drift. After installation of bushing, re-stake bushing in three equally spaced locations.
8.
Reverse procedure to install, installing U-bolts as follows:
a. Install four attaching nuts uniformly on U-bolts to retain and position anchor plate in proper position.
b. Torque four nuts to 18 ft. lbs. in diagonal sequence.
c. Torque four nuts to specifications in diagonal sequence, Fig. 14.
