Removal and Installation

FRONT AXLE HUB ASSEMBLY
REMOVAL AND INSTALLATION

Required Special Tools:
^ MB990241: Axle shaft puller
^ MB990242: Puller Shaft
^ MB990244: Puller Bar
^ MB991354: Puller Body
^ MB990767: End Yoke Holder
^ MB991897: Ball Joint Remover

REMOVAL SERVICE POINTS
[[A]] CALIPER ASSEMBLY REMOVAL
Secure the removed caliper assembly with wire, etc.

[[B]] BRAKE DISC REMOVAL





If the brake disc is seized, install a M8 x 1.25 bolts as shown, and remove the disc by tightening the bolts evenly and gradually.

[[C]] DRIVESHAFT NUT REMOVAL

CAUTION: Do not apply pressure to wheel bearing by the vehicle weight to avoid possible damage when driveshaft nut is loosened.





Use special tool MB990767 to fix the hub and remove the driveshaft nut.

[[D]] SELF-LOCKING NUT (TIE ROD END CONNECTION) REMOVAL

CAUTION:
^ Do not remove the nut from the ball joint. Loosen it and use the special tool to avoid possible damage to ball joint threads.
^ Hang the special tool with a cord to prevent from falling.





1. Install special tool MB991897 as shown in the figure.





2. Turn the bolt and knob as necessary to make the jaws of special tool MB991897 parallel, tighten the bolt by hand and confirm that the jaws are still parallel.

NOTE: When adjusting the jaws in parallel, make sure the knob is in the position shown in the figure.

3. Tighten the bolt with a wrench to disconnect the tie rod end.

[[E]] DRIVESHAFT REMOVAL








1. Use special tools MB990241 and MB990767 [Vehicles without center bearing], MB990242, MB990244, MB991354 and MB990767 [Vehicles with center bearing] to push out the driveshaft from the hub and knuckle.





2. Withdraw the drive shaft from the hub by pulling the bottom of the hub and knuckle towards you.
3. Hang the drive shaft on the vehicle body with a rope.

INSTALLATION SERVICE POINT
]]A[[ STABILIZER RUBBER/SELF-LOCKING NUT (STABILIZER BAR CONNECTION) INSTALLATION





Install the stabilizer rubber and collar as shown in the figure, and tighten the self-locking nut so that the protruding length of the stabilizer bar mounting bolt protruding part meets its standard value (A).
Standard value (A): 22 ± 1.5 mm (0.87 ± 0.06 inch)

]]B[[ WASHER/DRIVESHAFT NUT INSTALLATION

CAUTION: Before securely tightening the driveshaft nuts, make sure there is no load on the wheel bearings. Otherwise wheel bearing will be damaged.

1. Be sure to install the driveshaft washer in the specified direction.





2. Using special tool MB990767, tighten the driveshaft nut to the specified torque.
Tightening torque: 245 ± 29 Nm (181 ± 21 ft. lbs.)

INSPECTION
^ Check the hub for cracks and spline for wear.
^ Check the oil seal for damage.
^ Check the knuckle for cracks.
^ Check for defective bearing.

NOTE: If the meshing of the wheel bearing outer race and the knuckle, or of the wheel bearing inner race and the hub, is loose, replace the bearing or damaged parts.