Chevrolet 1988 Light Duty Truck Repair Manual page 118

3B3-4 POWER STEERING
6. Pitman shaft (221). Turn the stub shaft (251) to the
left until the pitm an shaft teeth (221) and rack piston
(214) disengage.
7. Retaining ring (205) with J 4245.
8. Washers (207) and seals (208) using a screwdriver.
9. Bearing (209). If necessary, use tool J 6278 (figure
5).
10. Rack piston (214) and balls (213).
• Insert tool J 21552 into the rack piston bore
with the pilot of the tool seated into the end of
the worm (248).
• Hold the tool against the worm and turn the
stub shaft to the left. The rack piston (214) will
be forced onto the tool.
• Hold the tool and pull the rack piston toward
the handle until it is against the flange on the
tool. This will prevent the end circuit balls from
falling out.
11. Adjuster nut (245).
12. Adjuster plug (240) using J 7624 (figure 6).
• Retaining ring (244) using J 4245.
• Washer (243), seal (242) and bearing (241).
240. A d ju s te r P lug
8
Figure — Removing the Needle Bearing
• Bearing retainer (234). Pry the retainer with a
screwdriver at the raised area (figure 7).
• Seal (239) and needle bearing (241). Use
J 8524-1 and J 7079-2 (figure 8).
13. Valve (250) and w orm shaft (248) as an assembly,
with both races (246) and bearing (247).
• W orm shaft (248) from valve assembly (figure
9).
• R aces (246) and b e a rin g (247) from the
worm shaft (248).
• Seal (249).
14. Stub shaft (251) from valve body (250) (figure 10).
• Hold the assem bly and lightly tap the stub
shaft against the bench until the shaft cap is
free from the valve body.
Figure 9— Separating the W orm shaft from the
Valve Assembly