Assembly - Chevrolet 1988 Light Duty Truck Repair Manual

3B3-6 POWER STEERING
214
n j
e
A. In s ta ll B a lls In T h is H o le W h ile S lo w ly
R o ta tin g W o rm C o u n te rc lo c k w is e
B. W o rm F la n g e
210. S cre w
211. C la m p
212. B all G u id e s
213. B a lls
Figure 13— Installing the Balls into the Rack Piston
— Ground surface of the stub shaft (251). If a
crocus cloth cannot clean the nicks or burrs,
replace the entire valve assembly.
— Outside diam eter of the valve spool and inside
diam eter of the valve body (250). If a crocus
cloth cannot clean the nicks or burrs, replace
the entire shaft and valve assembly.
— The small notch in the skirt of the valve for
wear. If worn replace the com plete valve

assembly.

— Valve spool inside the valve body (250). The
valve spool, w hen lubricated with steering
fluid, must rotate freely w ithout binding. If
binding occurs, replace the complete valve
and shaft assembly.
5. Steering gear hose connectors.
— Brass in ve rte d fla re co n n e cto rs (229) for
looseness.
ASSEMBLY
-►<- In s ta ll o r C o n n e c t (F ig u re s 1, 4 ; a n d
th ro u g h 15)
Tools Required:
J 4245 Snap Ring Pliers
J 6217 Valve Connector
J 21552 Ball Retainer
J 22407 Bearing Installer
J 8092 Bearing Driver
J 7079 Bearing Remover and Installer
J 8524-1 Driver
'
- 2 ,°
214. R ack P is to n
B-06517
10
J 7624 Bearing Preload Spanner W rench
1. Connectors (229), using J 6217 (figure 12).
2. Balls (213), alternately by color, in the rack piston
(214) (figure 13). Use J 21552 in the rack piston.
• Lubricate the 24 balls with power steering
fluid.
3. Balls (213), alternating by color, in the ball
guide (212) (figure 14).
• Retain the balls in the guide with petroleum
jelly.
4. Ball guide (212), clam p (211) and screws (210) to the
rack piston (214).
5. Stub shaft (251) into the valve body (250) (figure 10).
• Lubricate the stub shaft (251) with power
steering fluid.
6. Valve spool (252) and seals (230, 231) into the valve
body (250).
• Lubricate the valve spool (252) and seals (230,
231) w ith p o w e r s te e r in g
assembling.
7. Valve body (250), seal (249), w orm sha ft (248),
bearing races (246) and roller bearing (247).
flu id b e fo re