FRONT AXLE
M6040, M7040, WSM
6-S1
1. TROUBLESHOOTING
9Y1210143FAS0001US0
Symptom Probable Cause Solution
Reference
Page
Front Wheels
Wander to Right or
Left
Tire pressure uneven Adjust G-79
Improper toe-in adjustment (improper alignment) Adjust 6-S5
Clearance between front axle case boss and
front axle bracket (front, rear) bushing excessive
Replace 6-S11,
6-S19
Front axle rocking force too small Adjust 6-S5
Front wheel sway excessive Replace 6-S5
Tie-rod end loose Tighten 6-S5
Aeration of the hydraulic fluid in power steering
circuit
Bleed –
Front Wheels Can
Not Be Driven
Propeller shaft broken Replace 6-S7
Front wheel drive gears in transmission broken Replace –
Front differential gear broken Replace 6-S11
Coupling displaced Reassemble 6-S7
Noise Gear backlash excessive Adjust or replace –
OIl insufficient Replenish G-10
Bearings damaged or broken Replace –
Gears damaged or broken Replace –
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