Chevrolet 1977 light duty truck Service Manual page 307

Servicing Spindle Components
1. Secure the spindle in a vise by locating on the
high step diameter. Be sure that the machined surface o f
the spindle will not be dam aged by the vise jaws.
2. Remove the oil seal.
3. Remove the needle roller bearing.
4. Place the spindle in a vise on the high step and
install needle roller bearing.
a. Use J-23445 and Drive Handle J-8092 for
K10, K20.
b. Use J-21465-17 for K-30.
5. Install grease seal onto slinger with lip toward
spindle.
6. Relubricate the needle b earing and the spindle
end with a high melting point type wheel bearing grease.
Installation
1. Install the bronze thrust washer over the axle
shaft with the c h a m fe r toward the slinger and install the
spindle as shown in Figure 3C-7K.
2. Assemble spindle to knuckle.
NOTE: Torque spindle nuts to 25 ft. lbs. (K10, 20);
torque to 60 ft. lbs. (K30).
See CAUTION on page 1 o f this section.
C A U TIO N :
KNUCKLE
K 10, K 20, (W IT H BALL J O IN T S )
Rem oval
1. R em ove hub an d
outlined earlier.
2. If the steering arm is to be removed, disconnect
the tie rod.
a. Remove cotter pin.
b. Loosen tie rod nuts and tap on nut with a soft
h a m m e r to break the studs loose from the knuckle arm.
c. Remove nuts and disconnect the tie rod.
CAUTION: I f it is necessary to remove the
spindle co m p on ents as
CHAMFER
TOW ARD
Fig. 3C -8K-R em oving Steering Arm Nuts
steering arm, discard the self-toeking nuts (Fig.
3C-8K) an d replace with new nuts at assembly.
3. Remove the cotter pin from the upper ball
socket nut.
4. Remove the retaining nuts from the upper and
lower ball sockets as shown in Figure 3C-9K.
5. Remove the knuckle assembly from the yoke by
inserting a suitable wedge-shaped tool between the lower
ball stud and the yoke and tapping on the tool to release
the knuckle assembly. Repeat as required at the upper
ball stud location.
Ball Joint Service
CAUTION: Do not remove the yoke upper ball
stud adjusting sleeve unless new ball studs are
being installed. I f it is necessary to loosen the
sleeve to remove the knuckle, do not loosen it
more than two threads using Spanner J -23447
as shown in Figure 3C -I4K . The nonhardened