Operation CHARM: Car repair manuals for everyone.

Rear Suspension

CONTROL LINK, UPPER ARM AND LOWER ARM






REMOVAL AND INSTALLATION

CAUTION: Indicates parts which should be temporarily tightened, and then fully tightened with the vehicle on the ground in an unladen condition.

REMOVAL SERVICE POINTS
[[A]] CONTROL LINK REMOVAL





After making a mating mark on the toe-in adjusting bolt, remove the control link.

[[B]] LOWER ARM AND TRAILING ARM DISCONNECTION





After supporting the lower arm with a jack, separate the lower arm and the trailing arm.

INSTALLATION SERVICE POINTS
]]A[[ UPPER ARM INSTALLATION





Install the upper arm so that its impression "A" faces inside of the vehicle.

]]B[[ CONTROL LINK INSTALLATION





Install the control link so that its identification mark faces front outside of the vehicle.

INSPECTION
^ Check the bushings for wear and deterioration.
^ Check the control link, upper arm and lower arm for bending or breakage.
^ Check all bolts for condition and straightness.

CONTROL LINK/UPPER ARM/LOWER ARM PILLOW BALL BUSHING BREAKAWAY TORQUE CHECK

Required Special Tool:
^ MB990326: Preload Socket





Check each pillow ball bushing as follows.
1. Insert the mounting bolt to the pillow ball bushing. In the opposite direction, insert a washer, then install the mounting nut.





2. After rotating the inner sleeve (contained washer) several times, measure the breakaway torque of the pillow ball bushing using the special tool MB990326.
Standard value: 0.5 - 3.0 Nm (4.4 - 26.6 inch lbs.)
3. If the measured value exceeds the standard value, replace the control link, the upper arm, or the lower arm pillow ball bushing.
4. If the measured value is lower than the standard value, check that the pillow ball bushing turns smoothly without excessive play. If there is no excessive play and it turns smoothly, the pillow ball bushing can be reused.

LOWER ARM BUSHING AND LOWER ARM PILLOW BALL BUSHING REPLACEMENT





Replace the lower arm bushing and lower arm pillow ball bushing as follows.

LOWER ARM BUSHING REPLACEMENT

Required Special Tools:
^ MB991447: Bushing Remover and Installer
^ MB991448: Bushing Remover and Installer Base
^ MB991449: Bushing Remover and Installer Supporter

CAUTION: Because the outside of both edges of the bushing are different, be careful not to mistake the direction.








Use the special tools MB991447, MB991448, and MB991449 to drive out and press fit the bushing. After press fitting, the space between the edges of the bushing outer sleeve and of the lower arm should be 1.5 mm (0.06 inch).

LOWER ARM PILLOW BALL BUSHING REPLACEMENT

Required Special Tools:
^ MB990957: Lower Arm Bushing Remover and Installer
^ MB990996: Lower Arm Bushing Arbor





Use the special tools MB990969, MB990971, and MB990996 to drive out and press fit the bushing. After press fitting, the space between the edges of the bushing outer sleeve and of the lower arm should be 3 mm (0.12 inch).