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Chery A15 Maintenance Manual system parts if not. 2. Checking Steering Knuckle Tie Rod (1). Check tie rod ball, and replace if it is found loose in ball joint. (2). Check tie rod ball dust boot and repair or replace it if it is damaged. 3. Checking Steering Gear (1). Check steering gear dust cover and replace any cracked one to prevent water and dust from entering the parts and causing early part damage. Check if the dust cover clamp is well fixed. (2). Check steering gear clearance and adjust if not proper. 4. Checking Hydraulic Assistant Pump (1). Check assistant pump and replace if it is found blocked. (2). Check assistant pump bearing and replace if abnormal sound is heard. (3). Check hydraulic system and replace if leakage is found.
IV. Airtightness Inspection of Power Steering System Airtightness inspection of power steering system shall be perform when warming up the vehicle. Inspection steps: (1). Turn the steering wheel quickly to left and right extreme positions and hold still to maximize the system pressure. (2). Visually inspect steering control valve, rack gear seal, vane pump (power steering pump), oil pipe connection, and replace sealing elements if oil leakage is found. (3). Check oil tank, and then the airtightness of power steering system if the oil tank is short of ATF oil. (4). If the gear rack sealing element in power steering gear shell is not working, ATF oil may flow into corrugated tube, in this case all sealing rings in the steering system shall be replaced. (5). Check the oil pipe connection of power steering system, in case of oil leakage check for cause and reconnect it.
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