GMC 1989 Light Duty Truck, Repair Manual, Page: 313 / 998

K TRUCK FRONT AXLE 4C4-25
HAMMER
15.
16.
17.
18.
BRASS
DRIFT
GENTLY TAP ON CAGE
UNTIL TILTED ENOUGH
TO REMOVE FIRST BALL
REMOVE OTHER BALLS
IN SIMILAR MANNER.
Ball
Inner Race
Cage
O uter Race
F-6728
Figure 48— Removing C/V Joint Balls
PIVOT CAGE AND INNER RACE AT 90° TO CENTER
LINE OF OUTER RACE WITH CAGE WINDOWS
ALIGNED WITH LANDS OF OUTER RACE.
LIFT OUT CAGE AND INNER RACE.
17. Cage
18. O uter Race
F-6729
2
.
3.
4.
Figure 49— Separating Outer Race and Cage
ROTATE INNER RACE UP
AND OUT OF CAGE
17
LAND
16. Inner Race
17. Cage
WINDOW
F-6730
; Important
Be sure that the retaining ring side of the inner
race (16) face the axle shaft (
12
).
P erforin steps 1 th ro ug h 3 in “ O u te r J o in t Seal
R eplacem ent” Install or Connect.
INNER TRI-POT SEAL
REPLACEMENT
Remove or Disconnect (Figures 41, 47, 51, 52, 53
and 54)
Tools Required:
J 8059 Snap Ring Pliers
J 35910 Seal Clam p Tool
J 36652 Swage Clam p Tool
1. Large swage ring (9) from the tri-pot joint, using a
chisel, and discard.
9
Important
Do not cut through the seal (10) with the chisel
and dam age the sealing surface of the tri-pot
outer housing (
1
).
Small seal-retaining clam p ( 11 ) from the axle shaft
( 12 ) with a side cutter and discard.
Separate seal (10) from the tri-pot housing (
1
) at the
large diam eter and slide the seal away from the joint
along the axle shaft (
12 ).
Tri-pot housing (
1
) from the spider (3) and shaft (12).
Spread the spacer ring ( 8 ) with J 8059 and slide the
spacer ring and the tri-pot spider (3) back on the axle
shaft (12) as shown (figure 51).
Shaft retaining ring (2) from the groove on the axle
shaft (
12 ) and slide the spider assem bly off the shaft.
9
Important
Handle the tri-pot spider assem bly with care or
the tri-pot balls and needle rollers may separate
from the spider trunions.
Remove the spacer ring (
8
) and the seal (10) from the
axle shaft (
12
).
Flush grease from the housing.
-►*- install or Connect
1 . Small seal-retaining clam p ( 11 ) on the neck of the seal
(
10).
• Do not crim p.
2 . Slide the seal (1 0) onto the shaft (12) and position the
neck of the seal in the seal groove on the axle shaft
(
12
).
• Crimp seal retaining clam p (
11
) with J 35910 to 136
N-m (100 Lbs. Ft.).
3. Spacer ring (
8
) on the axle shaft (12) and beyond the
second groove as shown (figure 52).
• Slide the tri-pot spider assembly against the spacer
ring (
8
) and the shaft (
12
).
Fig u re 5 0 — S e p a ra tin g In n e r R ace and C age
Important
Be sure that the counterbored face of the tri-pot
spider (3) faces the end of the shaft (12).