Manual Steering Gear (Exploded) - Pontiac TRANS AM 1977 Service Manual

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MANUAL STEERING GEAR
382-3
1
d
1. WORM BEARING ADJUSTER LOCKNUT
9. UPPER WORM BEARING CUP
17. LASH ADJUSTER SHIM
2. WORM BEARING ADJUSTER
10. PITMAN SHAFT SEAL
18. HOUSING SIDE COVER AND
3. LOWER WORM BEARING CUP
11. HOUSING
BUSHING ASSEMBLY
4. LOWER WORM BEARING
12. WORMSHAFT SEAL
19. LASH ADJUSTER LOCKNUT
5. LOWER BEARING RETAINER
13. SIDE COVER GASKET
20. SIDE COVER BOLTS
6. BALL NUT
14. PITMAN SHAFT BUSHING
21. BALL GUIDE CLAMP SCREWS
7.
WORMSHAFT
15. PITMAN SHAFT
22. BALL GUIDE CLAMP
8. UPPER WORM BEARING
16. LASH ADJUSTER
23. BALL GUIDES
24. BALLS
3996
FIG.
382-5
MANUAL STEERING GEAR (EXPLODED)
7. Use a suitable size screwdriver to pry the lower
bearing retainer from the adjuster plug housing and remove
the bearing (Fig. 3B2-9).
8. Remove the locknut from the adjuster plug.
9. Remove the locknut from the lash adjuster screw in
the side cover. Remove the lash adjuster screw from the side
cover by turning the screw clockwise. Slide the adjuster screw
and shim out of the slot in the end of the pitman shaft.
Inspect the fit of the pitman shaft in bushings in side
cover and housing. If these bushings are worn, a new side
cover and bushing assembly or housing bushing should be
installed.
Check steering gear wormshaft assembly for being bent
or damaged in any way. NEVER ATTEMPT TO
SALVAGE STEERING PARTS BY WELDING OR
STRAIGHTENING.
10. Pry out and discard both the pitman shaft and
wormshaft seals.
Repairs
Inspection
With the steering gear completely disassembled, wash all
parts in cleaning solvent. Dry them thoroughly with air. With
a magnifying glass inspect the bearings and bearing races for
signs of indentation. Also check for any signs of chipping or
breakdown of the surface. Any parts that show signs of
damage should be replaced.
Inspect all seals. Any seal that is worn or has been
removed should be replaced.
The double lipped pitmanshaft and wormshaft seals
should be replaced each time a defective seal is indicated or
the steering gear is disassembled.
1. Remove pitman shaft seal by prying seal out with a
screwdriver (Fig. 3B2-10).
NOTE: Before installing a new seal, check the condition
of the pitman shaft bushing(s) and the wormshaft
bearing race installed in the gear housing.

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Firebird 1977

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