Class B / C / D Preventive PM Checklists

Engine & Powertrain Systems

Engine Oil & Fluids

Check engine oil level and condition - change if due per schedule

Verify coolant level and inspect for leaks in radiator and hoses

Check transmission fluid level and color (should be red/pink)

Air & Fuel Systems

Inspect air filter condition and replace if dirty or clogged

Replace fuel filter per manufacturer maintenance schedule

Inspect diesel exhaust fluid (DEF) level (diesel engines)

Brake System Inspection

Brake Components

Check brake fluid level and color (should be clear, not dark)

Inspect brake pads/shoes for thickness and even wear patterns

Examine brake rotors/drums for scoring, cracking, or excessive wear

Brake Operation

Test service brake pedal travel and firmness

Verify parking brake adjustment and holding capability

Check air brake system pressure (should build to 120 PSI)

Steering & Suspension

Steering System

Check power steering fluid level and condition

Inspect steering linkage for wear, damage, or excessive play

Test steering wheel play (should be less than 2 inches)

Suspension Components

Inspect shock absorbers/struts for leaks or damage

Check suspension components for worn bushings or ball joints

Inspect leaf springs or coil springs for damage or sagging

Tires & Wheels

Tire Inspection

Check tire pressure on all tires including spare (use proper PSI)

Inspect tire tread depth using penny test or tread depth gauge

Look for uneven wear patterns indicating alignment issues

Wheel Components

Inspect wheel lug nuts for proper torque and condition

Check wheel rims for cracks, bends, or corrosion

Verify proper tire rotation per manufacturer recommendations

Electrical System

Battery & Charging

Test battery voltage and specific gravity (should be 12.6V+)

Clean battery terminals and check cable connections

Inspect alternator belt tension and charging system operation

Lighting & Signals

Check all exterior lights: headlights, taillights, turn signals

Test horn operation and backup alarm (commercial vehicles)

Verify proper operation of dashboard warning lights

Safety & Compliance

DOT Compliance

Verify current vehicle registration and inspection certificates

Verify proper DOT markings and placards (commercial vehicles)

Check driver's daily vehicle inspection report (DVIR) compliance

Emergency Equipment

Check first aid kit contents and expiration dates

Inspect emergency equipment: triangles, flares, fire extinguisher

Check load securement equipment and tie-down points

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Class B/C/D Preventive PM Checklist

Vehicle & Maintenance Information

PREVENTIVE MAINTENANCE REMINDER

Engine Oil & Fluids

Air & Fuel Systems

Brake Components

Brake Operation

Steering System

Suspension Components

Tire Inspection

Wheel Components

Battery & Charging

Lighting & Signals

DOT Compliance

Emergency Equipment

Maintenance Notes & Action Items

Preventive Maintenance Summary

Maintenance Analysis & Recommendations

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Features

Integration

Popular

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Industries

By Role

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Class B/C/D Preventive PM Checklist

Vehicle & Maintenance Information

PREVENTIVE MAINTENANCE REMINDER

Engine Oil & Fluids

Air & Fuel Systems

Brake Components

Brake Operation

Steering System

Suspension Components

Tire Inspection

Wheel Components

Battery & Charging

Lighting & Signals

DOT Compliance

Emergency Equipment

Maintenance Notes & Action Items

Preventive Maintenance Summary

Maintenance Analysis & Recommendations