Envoy 2WD V6-4.3L VIN W (1998)
Power Steering Bleeding: Service and Repair
Bleeding Procedure
1. Switch ignition "OFF".
2. Turn steering wheel full left.
3. Fill fluid reservoir to "FULL COLD" level. Leave cap off.
4. Raise front wheels off ground.
5. With assistant checking fluid level and condition, turn steering wheel lock-to-lock at least 20 times. Engine remains "OFF".
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On systems with long return lines or fluid coolers, turn steering wheel lock-to-lock at least 40 times.
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Trapped air may cause fluid to overflow. Thoroughly clean any spilled fluid to allow for leak check.
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Keep fluid level at "FULL COLD".
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Be alert to periodic bubbles that could indicate a loose connection or leaky O-ring seal.
6. While turning wheel, check fluid constantly. No bubbles are allowed. For any sign of bubbles, recheck connections. Repeat Step 5.
7. Start engine. With engine idling, maintain fluid level. Reinstall cap.
8. Return wheels to center. Lower front wheels to ground.
9. Keep engine running for two minutes.
10. Turn steering wheel in both directions.
Important
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Verify smooth power assist.
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Verify noiseless operation.
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Verify proper fluid level.
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Verify no system leaks.
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Verify proper fluid condition.
11. If all proper conditions apply, procedure is complete.
12. If any problem remains, see "Special Conditions".