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211-00-3 Steering System — General Information 211-00-3 GENERAL PROCEDURES 6. While turning wheel, check fluid constantly. Power Steering System Bleeding Air NOTE: No bubbles are allowed. CAUTION: You should bleed after any connections. Repeat step 5. component replacement or after disconnecting fluid line in case of steering system noise. 7. Start engine. With engine idling, maintain fluid Bleeding is important to prevent pump damage, to level. Reinstall cap. ensure proper system operation and to stop 8. Return wheels to centre. Lower front wheels to steering system noise. ground. NOTE: Inspect steering system. Check, and correct 9. Keep engine running for two minutes. as needed: 10. Turn steering wheel in both directions. Hoses must not touch any other part of vehicle. 11. Verify: Hose touching frame, body, or engine could cause steering system noise. Smooth power assist All hose connections must be tight. Loose Noiseless operation connections might not leak but could allow air into Proper fluid level system. No system leaks NOTE: Use only clean, new power steering fluid. Fluid Proper fluid condition (i.e. No bubbles, no must be: foam and no discolouration) Conventional climate: 12. If all proper conditions apply, procedure is GM #1052884 - 16 ounce. complete. GM #1050017 - 32 ounce. 13. If any problem remains, check these special conditions: Cold climate: Fluid: If there is foam or bubbles in the fluid. GM #12345866 - 16 ounce. The fluid must be completely free of bubbles. GM #12345867 - 32 ounce. In step 5, be alert to periodic bubbles that 1. Switch ignition off. could indicate a loose connection or leaky O-ring seal in either the return hose or 2. Raise front wheels off ground. pressure hose. Also check for discoloured 3. Turn steering wheel full left. fluid. Follow the following steps top remedy 4. Fill fluid reservoir to “FULL COLD” level. Leave the situation: cap off. Switch ignition off. Wait two minutes. Recheck hose connections. Repeat steps 7-10 of procedure. If condition still exists then check: return hose clamps, return hose O-ring, pressure hose O-rings and gear cylinder line O-rings Noise: If the pump whines or groans then with engine running, recheck hoses for possible contact with frame body or engine. If no contact is found, follow either of the below methods: Method one: Normal cool down Switch engine off. Wait for system to cool. 5. With assistant checking fluid level and condition, Install reservoir cap. turn steering wheel lock-to-lock at least 20 times. Method two: Partial fluid replacement Engine remains off. Switch engine off. NOTE: On systems with long return lines or fluid Use a suction device to remove fluid coolers, turn steering wheel lock-to-lock at least from reservoir. 40 times. Refill with cool, clean fluid. NOTE: Trapped air may cause fluid to overflow. Install reservoir cap. Thoroughly clean any spilled fluid to allow for leak NOTE: After either method of cooling, start engine check. and allow engine to come up to operating NOTE: Keep fluid level at “FULL COLD”. temperature. If noise persists, remove and replace G27361 en |