Troubleshooting - Toro 500 EFI Service Manual

Troubleshooting

Problem: Handling too heavy or stiff
Condition
1. Front wheel alignment incorrect
2. Steering shaft binding
3. Tire inflation pressure incorrect
4. Tie rod ends seizing
5. U-joints seized
Problem: Steering oscillation
Condition
1. Tires inflated unequally
2. Wheel(s) bent
3. Wheel hub studs loose - missing
4. Wheel hub bearing worn - damaged
5. Tie rod ends worn - loose
6. Tires defective - incorrect
7. A-arm bushings damaged
8. Bolts - nuts (frame) loose
Problem: Steering pulling to one side
Condition
1. Tires inflated unequally
2. Front wheel alignment incorrect
3. Wheel hub bearings worn - broken
4. Frame distorted
5. Shock absorber defective
Problem: Steering impaired
Condition
1. Tire pressure too high
2. Steering linkage worn
3. Cap screws (suspension system) loose
Problem: Tire wear rapid or uneven
Condition
1. Wheel hub bearings worn - loose
2. Front wheel alignment incorrect
Problem: Steering noise
Condition
1. Caps screws - nuts loose
2. Wheel hub bearings broken - damaged
3. Lubrication inadequate
Problem: Rear wheel oscillation
Condition
1. Rear wheel hub bearings worn - loose
2. Tires defective - incorrect
3. Wheel rim distorted
4. Wheel hub cap screws loose
5. Rear suspension arm-related bushing worn
6. Rear shock absorber damaged
7. Rear suspension arm nut loose
Remedy
1. Adjust alignment
2. Lubricate/replace steering shaft
3. Adjust pressure
4. Replace tie rod ends
5. Replace U-joints
Remedy
1. Adjust pressure
2. Replace wheel(s)
3. Tighten - replace wheel studs
4. Replace bearing
5. Replace - tighten tie rod ends
6. Replace tires
7. Replace bushings
8. Tighten bolts - nuts
Remedy
1. Adjust pressure
2. Adjust alignment
3. Replace bearings
4. Repair - replace frame
5. Replace shock absorber
Remedy
1. Adjust pressure
2. Replace linkage
3. Tighten cap screws
Remedy
1. Replace bearings
2. Adjust alignment
Remedy
1. Tighten cap screws - nuts
2. Replace bearings
3. Lubricate appropriate components
Remedy
1. Replace bearings
2. Replace tires
3. Replace rim
4. Tighten cap screws
5. Replace bushing
6. Replace shock absorber
7. Tighten nut
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