Front Suspension

REMOVAL AND INSTALLATION

REMOVAL SERVICE POINT
[[A]] LOWER ARM AND CROSSMEMBER DISCONNECTION





Lift the transmission with a garage jack, and then withdraw the front mounting bolt on the left lower arm assembly.

INSTALLATION SERVICE POINT
]]A[[ SELF-LOCKING NUT INSTALLATION





Tighten the self-locking nut until the bolt protruding length meets the standard value.
Standard value (A): 22 ± 1.5 mm (0.87 ± 0.06 inch)

INSPECTION
^ Check the bushing for wear and deterioration.
^ Check the lower arm for bend or breakage.
^ Check all bolts for condition and straightness.

LOWER ARM BALL JOINT BREAKAWAY TORQUE CHECK





1. After shaking the ball joint stud several times, use special tool MB991006 to measure the breakaway torque of the ball joint.
Standard value: 0 - 3.9 Nm (0 - 35 inch lbs.)
2. If the measured value is not within the standard value, or if the ball joint is difficult to turn or has a gritty feeling, replace the lower arm assembly.

LOWER ARM BALL JOINT DUST COVER CHECK
1. Check the dust cover for cracks or damage by pushing it with your finger.
2. If the dust cover is cracked or damaged, replace the lower arm.

NOTE: Cracks or damage to the dust cover may cause damage to the ball joint. When it is damaged during service work, replace the dust cover.

BALL JOINT DUST COVER REPLACEMENT
If the dust cover is damaged accidentally during service work, replace the dust cover as follows:
1. Remove the dust cover.
2. Apply multipurpose grease to the lip and inside of the dust cover.





3. Using special tool MB990800, drive in the dust cover until it is fully seated.
4. Check the dust cover for cracks or damage by pushing it with your finger.

LOWER ARM REAR BUSHING REPLACEMENT





Replace the bushing as follows:





1. Use special tools MB990883, MB990971, MB990887, and MB990890 to drive out the bushing.





2. Position the bushing so that its projection is as shown, and then use special tools MB990883, MB990971, MB990887, and MB990890 to press in the bushing.
3. Press the bushing until its outer tube is flush with the lower arm assembly surface.