Bus Mechanical Maintenance Checklist

Engine and Powertrain

Check engine oil level and condition - replace if dirty or low

Inspect air filter and replace if clogged or dirty

Verify coolant level and inspect for leaks in hoses and connections

Check belt tension and condition (alternator, power steering, AC)

Inspect exhaust system for leaks, damage, or excessive emissions

Test engine idle speed and performance under load

Transmission and Drivetrain

Check transmission fluid level and condition

Inspect driveshaft and U-joints for wear and proper lubrication

Verify differential fluid level and inspect for leaks

Test transmission shifting operation (manual or automatic)

Braking System

Check brake fluid level and condition in master cylinder

Inspect brake pads and shoes for wear and thickness

Test brake pedal feel and travel distance

Verify air brake system pressure and compressor operation

Test anti-lock braking system (ABS) functionality

Suspension and Steering

Inspect shock absorbers and struts for leaks and wear

Check steering system for excessive play or binding

Verify power steering fluid level and condition

Check wheel alignment and tire wear patterns

Electrical Systems

Test battery voltage, specific gravity, and charging system

Inspect alternator output and belt condition

Check all exterior lights (headlights, taillights, signals)

Verify interior lighting and dashboard instrument operation

Tires and Wheels

Check tire pressure on all wheels including spare

Inspect tire tread depth and wear patterns

Verify wheel torque specifications and lug nut condition

Inspect wheel bearing condition and lubrication

Safety Systems

Test emergency exits and evacuation procedures

Check fire extinguisher pressure and accessibility

Verify first aid kit contents and expiration dates

Test backup cameras and safety sensors

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Vehicle & Maintenance Information

MAINTENANCE SAFETY REMINDER

Maintenance Notes & Observations

Maintenance Summary

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