GMC 1982 Light Duty Truck Service Manual page 376

3 C -3 4 FRONT SUSPENSION
Fig. 3C-18K~Removing Nuts Alternately
4. Torque the upper ball socket nut to 100 ft. lbs. as shown
in Figure 3C-16K. A fter torquing the nut, do not loosen
to install cotter pin, apply additional torque, if
necessary, to line up hole in stud with slot in nut.
5. Apply F IN A L torque to lower nut, 95 N-m (70 ft. lbs.).
6. If the tie rod and steering arm were removed:
a. Assemble the steering arm using the three stud
adapters and three new self-locking nuts. Torque the
nuts to 120 N-m (90 ft. lbs.).
b. Assemble the tie rod to the knuckle arm. Torque the
tie rod nuts to 60 N-m (45 ft. lbs.) and install cotter
pin.
KNUCKLE - K30 (WITH KING PINS)
Removal
1. Remove the hub and spindle as outlined earlier. If
necessary, tap lightly with a rawhide hammer to free it
from the knuckle. Check bronze spacer located
Fig. 3C-19K--Removing Cap, Spring and Gasket
Fig. 3C-20K~Removing Lower Bearing Cap
between axle shaft joint assembly and bearing. If wear
is evident, replace with a new one. See Figure 3 C - 17K.
2. Remove four nuts from upper king pin cap. Remove
nuts alternately as compression spring will force cap
up. Refer to Figure 3 C - 18K.
3. Remove cap, compression spring, and gasket, as shown
in Figure 3C-19K. Discard gasket, replace with new
one at time of assembly.
4. From the underside of the knuckle, remove four cap
screws from the lower king pin bearing cap. Remove
the bearing cap-and-lower king pin. See Figure 3C-
20K.
5. Remove upper king pin tapered bushing and knuckle
from yoke. Remove king-pin felt seal. See Figure 3C-
21 K. Remove knuckle.
6. Remove upper king-pin from yoke with large breaker
bar and J-2 6 8 7 1, as seen in Figure 3C-22K.
Torque specification is 677-81 3 N-m (500-600 ft. lbs.).
Fig. 3C-21 K--Removing Tapered Bushing