GMC T Series 1994 Repair Manual page 112

3. REMOVE AND INSTALL WORMSMAFT
AND BALL NUT
REMOVE
1. Loosen lock nut. Use punch
against edge of slot.
2. Remove parts as shown.
NOTICE:
Use care that the ball nut does not run down to
either end of the worm. Damage may be done to the ends of
the ball guides if the ball nut is allowed to rotate until
stopped at the end of the worm.
WORM BEARING
ADJUSTER LOCKNUT
"I r -
BRASS
DRIFT
Remove bearing cup
from housing only
if necessary.
Remove Cup
4. DISASSEMBLE AND ASSEMBLE WORM
INSTALL
Install parts as shown. 1.
2.
5. DISASSEMBLE AND ASSEMBLE
1. Disassemble parts as
2. Clean and inspect all
J-35365
BALL GUIDE
CLAMP SCREW
Install Cup
BEARING ADJUSTER
DISASSEMBLE
Pry lower bearing retainer
out with screwdriver.
Remove cup using
J 29369-1 puller and
slide hammer.
WORM BEARING
ADJUSTER
LOWER WORM
BEARING CUP
/ LOWER WORM
f /
BEARING
LOWER BEARING RETAINER
WORMSHAFT AND BALL NUT
DISASSEMBLE
1. Assemble parts as
shown. shown.
2. Refer to figure 3
parts for excessive
(fig. A) for number
wear.
of balls used.
BALLS
Installing Balls
ASSEMBLE
Press cup into adjust
using Tool A
Install parts as shown.
ASSEMBLE
BALL NUT
WORMSHAFT
Viewed From
Splined End of
Wormshaft
F5904