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REAR SUSPENSION - Upper Arm Assembly 34-9 REMOVAL SERVICE POINTS A A" UPPER ARM BALL JOINT AND KNUCKLE DISCONNECTION Caution 1. To prevent the ball joint thread from damage, only loosen but do not remove the nut securing the upper arm to the knuckle from the ball joint and use the special tool. 2. The special tool should be suspended from a cord to prevent it from being dropped. INSPECTION UPPER ARM BALL JOINT ROTATION TORQUE CHECK use the special tool to measure the rotation torque of the upper arm ball joint. 2. When the measured value exceeds the standard value, replace the upper arm assembly. 3. When the measured value is lower than the standard value, check that the upper arm ball joint turns smoothly without excessive play. If there is no excessive play, the ball joint can be reused. UPPER ARM BALL JOINT DUST COVER CHECK it with finger. 2. If the dust cover is cracked or damaged, replace the upper arm assembly. Cracks or damage of the dust cover may cause damage of the ball joint. When it is damaged during service work, replace the dust cover. UPPER ARM BALL JOINT DUST COVER REPLACEMENT Only when the dust cover is damaged accidentally during service work, replace the dust cover as follows: 1. Remove the dust cover. 2. Fill the multipurpose grease in the dust cover and lublicate the lip. (Amount of filling grease in the dust cover:approx.7g) 3. Using the special tool, punch the dust cover until it contacts the snap ring. 4. Press the dust cover with your finger to check that there are no cracks or damage in the dust cover. Cord Ball joint Nut MB991406, MB990635 or MB991113 MB990326 MB990968 MB990800 |