Rough Country 479.20 - Manual (Page 5)

5. Install the Rough Country block in between the leaf spring and the axle as shown in Photo 17. Jack up the axle and
align the pins in the blocks and axle seat. Secure with new u-bolts using a 24mm socket. Torque evenly to 85 ft/lbs.
6. Install the supplied square u-bolts and block shims on the block as shown in Photo 18 using a 5/8 wrench.
7. Locate shock part number 650377 shock and assemble poly bushings and sleeve in shock. Using a 18mm wrench,
for the upper, and a 19mm and 15mm wrench for the lower. Install using factory hardware on upper and lower shock
mount
8. Install the tires and wheels
9. Jack up the rear of the vehicle and remove the jack stands. Lower the vehicle to the floor.
Photo 17 Photo 18
REAR INSTALLATION
1. Chock front wheels and jack up the rear of the vehicle. Secure with jack stands on the frame rail.
2. Place a floor jack under the rear differential on the rear axle. Using a 18mm wrench for the upper, and 19mm and
15mm wrench for the lower, remove the stock shock absorbers, retain the stock hardware for reuse.
3. Remove the brake line bracket on the u-bolt plate as shown in Photo 15 using a 10mm wrench.
4. Using a 24mm socket, remove the stock u-bolts. Use the floor jack to lower the axle assembly to allow for lifted block
installation. See Photo 16. If equipped; the factory rear frame contact over load springs will not be reused.
Remove the over load springs and retain the main spring plate for reuse.
Photo 15 Photo 16