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FRONT AXLE HUB ASSEMBLY TSB Revision FRONT AXLE 26-9 INSPECTION M1261001800071 WHEEL BEARING BREAKAWAY TORQUE CHECK 1. Install special tools MB990998 and MB990326 to the front hub assembly and tighten the nut to the specified torque. Tightening torque: 196 −−−− 255 N ⋅⋅⋅⋅ m (145 −−−− 188 ft-lb) 2. Measure the wheel bearing breakaway torque with special tools. Limit: 1.0 N ⋅⋅⋅⋅ m (9 in-lb) or less 3. Wheel bearing breakaway torque must be under the limit value and there should be no roughness when rotating the WHEEL BEARING PLAY CHECK M1261001100050 1. Install the special tool MB991017 to the front hub assembly and tighten the nut to the specified torque. Tightening torque: 196 −−−− 255 N ⋅⋅⋅⋅ m (145 −−−− 188 ft-lb) 2. Measure the play in the hub axial direction. Limit: 0.05 mm (0.002 inch) 3. If the play exceeds the limit, replace the front hub assembly. AC001152 MB990998 BOLT MB990326 196 – 255 N·m AC WOOD AC001153 WOOD BOLT AC WOOD |