Inner Tri-Pot Seal Replacement - GMC 1989 Light Duty Truck Repair Manual

GENTLY TAP ON CAGE
UNTIL TILTED ENOUGH
TO REMOVE FIRST BALL
REMOVE OTHER BALLS
IN SIMILAR MANNER.
15. Ball
Inner Race
16.
17. Cage
O uter Race
18.
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
Figure 49—Separating Outer Race and Cage
ROTATE INNER RACE UP
AND OUT OF CAGE
LAND
16. Inner Race
17. Cage
Figure 5 0 — S ep aratin g In n er R ace and Cage
HAMMER
BRASS
DRIFT
F-6728
F-6729
17
WINDOW
F-6730
K TRUCK FRONT AXLE 4C4-25
; Important
Be sure that the retaining ring side of the inner
race (16) face the axle shaft (
Perforin steps 1 th rough 3 in " O u te r J o in t Seal
Replacem 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 Clamp Tool
J 36652 Swage Clamp 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 damage the sealing surface of the tri-pot
1
outer housing ( ).
2 Small seal-retaining clam p (
.
12
( ) with a side cutter and discard.
Separate seal (10) from the tri-pot housing (
large diam eter and slide the seal away from the joint
along the axle shaft ( 12
1
3. Tri-pot housing ( ) from the spider (3) and shaft (12).
Spread the spacer ring (
spacer ring and the tri-pot spider (3) back on the axle
shaft (12) as shown (figure 51).
4.
Shaft retaining ring (2) from the groove on the axle
shaft ( 12 ) and slide the spider assembly 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 (
axle shaft ( 12 ).
Flush grease from the housing.
-►*- install or Connect
1 . Small seal-retaining clamp (
10
( ).
• Do not crimp.
2 (1
. Slide the seal 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 (
N-m (100 Lbs. Ft.).
8
3. Spacer ring ( ) on the axle shaft (12) and beyond the
second groove as shown (figure 52).
• Slide the tri-pot spider assembly against the spacer
8 12
ring ( ) and the shaft (
Important
Be sure that the counterbored face of the tri-pot
spider (3) faces the end of the shaft (12).
12
).
11
) from the axle shaft
1 ) at the
).
8 ) with J 8059 and slide the
8
) and the seal (10) from the
11 ) on the neck of the seal
11
) with J 35910 to 136
).