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Workman HD SeriesPage 7 − 6Chassis
Suspension and Steering (Continued)
Problem Possible Causes
Hard steering. Loose, worn or glazed hydraulic pump drive belt
(Workman HD vehicles).
Binding or damaged steering linkage.
Low or uneven tire pressure.
Low hydraulic pressure (see Chapter 9 − Hydraulic
System).
Damaged or binding steering cylinder.
Worn or damaged steering control valve.
Incorrect front wheel alignment.
Vehicle pulls to one side when not braking. Low or uneven tire pressure.
Broken or weak rear leaf spring.
Incorrect front wheel alignment.
Damaged or bent suspension or steering
component.
Worn or damaged brake components.
Brakes
Problem Possible Causes
Brake pedal goes to floor. Low brake fluid level.
Air in brake system.
Leaking wheel caliper(s).
Loose or broken brake lines.
Leaking or worn brake master cylinder.
Excessively worn brake pads or rotors.
Spongy brake pedal. Air in brake system.
Excessively worn brake pads or rotors.
Broken or worn brake pedal pivot bushing.
Squealing brakes. Glazed, saturated or worn brake pads.
Contaminants on brake pads and/or rotors.
Missing anti−rattle clip in brake caliper.
Scored or bent brake rotors.