G 1500 1/2 Ton Van V6-4.3L VIN W (1997)
Remove or Disconnect
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Steering gear from vehicle. Refer to "Power Steering Gear Replacement."
Disassemble
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Tool Required:
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J 21552 Rack Piston Arbor
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Or Equivalent
1. Pitman shaft and side cover. Refer to " Pitman Shaft and Side Cover Replacement."
2. Housing end plug. Refer to "Housing End Plug Replacement."
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Turn stub shaft counterclockwise until the rack piston (26) begins to come out of the housing (20).
3. Rack piston plug (27).
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Insert J 21552 into bore of rack piston (26). Hold J 21552 tightly against worm shaft while turning the stub shaft counterclockwise.
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The rack piston (26) will be forced onto J 21552 and hold the rack piston balls (25) in place.
4. Rack piston (26), rack piston balls (25), and J 21552 together from housing (20).
5. Valve. Refer to "Valve Replacement."
6. Worm shaft (13).
7. Thrust bearing (16) and races (15).
8. J 21552 from rack piston (26).
9. Rack piston balls (25).
10. Screws (21), clamp (22) and ball guide (23).
11. Teflon ring (5).
12. O-ring seal (6).
Clean
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All disassembled parts.
Inspect
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All disassembled parts for wear. Replace if necessary.
Assemble
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Tools Required:
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J 8947 Rack Piston Teflon Ring Compressor
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J 21332 Rack Piston Arbor
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Or Equivalents
1. O-ring seal (6) and teflon ring (5) and lubricate with power steering fluid.