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Please note the following:
Brake problems listed below, cause of the problem and correction of the problem is only a small percentage of the trouble encountered on heavy vehicle brake application and is only a guide for your assistance. By using Taro's Premium brake materials and keeping the foundation brake and air serviced you should not experience any of these problems.
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| Problem | Cause | Correction |
| Low or soft pedal |
Worn out linings
Excessive clearance between lining and drum
Low air pressure in system
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Replace lining
Adjust clearance ie: Slackadjuster
Check lines, valves
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| Erratic braking |
Defective drums, cracked, oval, worn, grooved
Damaged or weak return springs
Lining contaminated, grease, paint, oil
Brake pressure high
Lining in constant contact with drum
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Replace drums
Replace springs
Replace linings clean drum
Check air system
Adjust clearance ie: Slackadjuster
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| Excessive lining wear |
Poor Quality Drum or worn drum
Slackadjusters worn or out of adjustment
Overloaded Vehicle
Excessive braking due to late application
Standard thickness lining in worn oversize drum
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Replace drums
Adjust slacks or replace
Check weight loads
Driver training
Change drum or Supply oversize lining
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| Slow brake application |
Brake system low air
Excessive clearance between lining and drum
Excessive pedal travel
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Check Lines, valves etc
Replace worn lining, drum, check Slackadjusters
Replace or repair
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| Locking brakes |
Weak or broken return springs
Sticky or faulty valves
Slackadjusters over adjusting
Drum Diameter wrong, too small
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Replace springs
Repair or replace
Adjust slacks, repair or replace
Machine or replace drum
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| Brake pulling |
Different quality lining, friction used on axle
Weak or broken return springs
Slackadjusters worn or out of adjustment
Faulty valve
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Use same lining material on left and right axel
Replace springs
Adjust slacks or replace
Repair or replace
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| Noise |
Loose fitted linings
Cracked lining
Hard spots in drum
Lining light constant contact with drum causing glazing
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All rivets and bolts must be fastened correctly
Replace lining
Machine or replace drum
Check and repair brake system,replace lining
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