REPAIR GUIDES

Understand the System Before Replacing Parts

Symptoms can have multiple causes. Good diagnosis reduces unnecessary parts replacement.

Brake and wheel

Brake Noise: What to Inspect

Noise may relate to pad material, wear, rotor condition, hardware, contamination or another component.

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Mechanic diagnosing engine

Check-Engine Light Basics

A diagnostic trouble code identifies a system or fault condition; it does not automatically identify the part that must be replaced.

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Headlight

Lighting Faults

Check bulb condition, connectors, grounds, fuses, control modules and circuit integrity as appropriate.

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Wheel and tire

Uneven Tire Wear

Pressure, alignment, worn suspension, rotation history and driving conditions can all contribute.

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