✨ Introducing Fleet Rabbit Community for Commercial Fleet Operations Fleet Rabbit Community
Signup

Download our Apps and get 14 Days Free Trial

fleet app-storefleet google-play
©Fleetrabbit Official 2025. All right reversed.
  • Home
  • Checklists
  • the ultimate guide to 24000 mile truck and trailer maintenance

The Ultimate Guide to 24,000-Mile Truck & Trailer Maintenance

April 18, 2025 4 mins read
image

The ultimate guide to 24,000-mile truck & trailer maintenance, focusing on the comprehensive PM Schedule C checklist. As a responsible fleet manager, it's essential to understand the importance of regular preventive maintenance and the critical tasks involved in keeping your trucks and trailers running at their best. In this in-depth article, we'll explore the key components of PM Schedule C and provide expert insights on how to ensure your vehicle remains reliable, efficient, and safe for years to come.

The Importance of PM Schedule C

PM Schedule C is a crucial milestone in your fleet's maintenance journey, typically occurring every 24,000 miles. This comprehensive service is designed to address a wide range of essential components and systems, ensuring that your trucks & trailers continue to perform at their peak. By adhering to this schedule, you can enjoy numerous benefits, including:

1. Prolonged fleet lifespan
2. Optimized fuel efficiency
3. Enhanced overall performance
4. Improved safety and reliability
5. Reduced risk of costly breakdowns and repairs

PM Schedule C - Every 24,000 Miles Checklist

The PM Schedule C Checklist

Now, let's dive into the comprehensive checklist of tasks included in PM Schedule C. Our expert technicians will thoroughly inspect and service the following components:

1. Change oil and filter

  • Drain old oil completely
  • Replace oil filter with new, compatible filter
  • Refill with appropriate type and amount of oil
  • Check for any leaks after refill

2. Inspect tires

  • Check tire pressure and adjust as needed
  • Inspect tread depth and wear patterns
  • Look for any cuts, bulges, or other damage
  • Rotate tires if due

3. Inspect electrical system

  • Test battery and clean connections
  • Check alternator output
  • Inspect starter and wiring for any damage or corrosion

4. Check fluid levels

  • Engine oil
  • Coolant
  • Power steering fluid
  • Brake fluid
  • Windshield washer fluid
  • Transmission fluid

5. Lubricate chassis and doors

  • Grease all chassis lubrication points
  • Lubricate door hinges, locks, and latches

6. Check belts and hoses

  • Inspect all belts for cracks, fraying, or excessive wear
  • Check hoses for leaks, cracks, or soft spots
  • Adjust belt tension if needed

7. Inspect brakes

  • Check brake pads/shoes for wear
  • Inspect brake rotors/drums for damage or wear
  • Check brake fluid level and condition
  • Test parking brake operation

8. Check lights

  • Test all exterior lights (headlights, taillights, turn signals, etc.)
  • Check interior lights (dome lights, dashboard lights, etc.)

9. Inspect A/C system

  • Check A/C compressor operation
  • Inspect hoses and connections for leaks
  • Test A/C performance and temperature

10. Perform test drive

  • Check for any unusual noises, vibrations, or handling issues
  • Test brakes, steering, and acceleration
  • Monitor gauges for proper operation

11. Address minor body damage

  • Repair small dents, scratches, or chips
  • Touch up paint as needed

12. Take oil samples for analysis

  • Collect oil sample following proper procedures
  • Send sample to lab for analysis
  • Review results and address any concerns

13. Change transmission fluid and filter

  • Drain old transmission fluid completely
  • Replace transmission filter with new, compatible filter
  • Refill with appropriate type and amount of transmission fluid
  • Check for any leaks after refill

14. Check coolant levels and condition

  • Check coolant level and top off if needed
  • Inspect coolant for any contamination or discoloration
  • Check for leaks in the cooling system

15. Test coolant specific gravity and pH

  • Use a hydrometer to test coolant specific gravity
  • Test coolant pH using test strips or a digital pH meter
  • Compare results to manufacturer specifications and adjust as needed

16. Change fuel filter

  • Locate fuel filter and drain any residual fuel
  • Remove old fuel filter and dispose of properly
  • Install new, compatible fuel filter
  • Prime the fuel system if needed

17. Perform complete engine tune-up

  • Replace spark plugs (for gasoline engines)
  • Inspect and adjust valve clearances (if applicable)
  • Check and adjust ignition timing (for gasoline engines)
  • Clean fuel injectors (if needed)
  • Inspect and clean throttle body

18. Test engine compression

  • Warm up the engine to operating temperature
  • Remove all spark plugs (for gasoline engines)
  • Use a compression tester to check each cylinder
  • Record results and compare to manufacturer specifications

19. Replace air filter

  • Locate air filter housing and remove old filter
  • Clean air filter housing and inspect for damage
  • Install new, compatible air filter

20. Drain and refill differential lubricant

  • Locate differential drain plug and remove
  • Allow old lubricant to drain completely
  • Reinstall drain plug and refill with appropriate type and amount of lubricant
  • Check for any leaks after refill

Standard Operating Procedure (SOP) for PM Schedule C

To ensure a consistent and thorough PM Schedule C service, our technicians follow a strict standard operating procedure:

  1. Vehicle preparation: Park the vehicle on a level surface and engage the parking brake.
  2. Manufacturer's recommendations: Follow the manufacturer's guidelines for each task, using the proper tools and equipment.
  3. Comprehensive inspection: Thoroughly examine each component, noting any wear, damage, or irregularities.
  4. Replacement or repair: Replace or repair any parts that fail to meet the manufacturer's specifications.
  5. Waste disposal: Properly dispose of waste materials, such as used oil or filters, in accordance with local regulations.
  6. Post-maintenance testing: Test the vehicle after completing the maintenance to ensure proper operation and address any issues that arise.
  7. Documentation: Record the maintenance performed, including the date, mileage, and any parts replaced or repairs made.

Conclusion

The 24,000-mile PM Schedule C is a critical aspect of responsible fleet management. As a maintenance manager, ensuring that all trucks & trailers under your supervision adhere to this comprehensive maintenance checklist is crucial for optimizing performance, efficiency, and safety. By prioritizing regular preventive maintenance and utilizing tools like the FleetRabbit App, you can streamline the process of tracking and scheduling fleet maintenance tasks, ultimately contributing to the success and cost-effectiveness of your industry.

Streamline your fleet maintenance with the FleetRabbit App, designed to help you effortlessly track and schedule your preventive maintenance tasks. Download the app today and take the first step towards a healthier, longer-lasting truck & trailer fleet!

Top 10 FAQs

1. Q: What does PM Schedule C entail?

A: PM Schedule C is a comprehensive preventive maintenance service performed every 24,000 miles for trucks & trailers, which includes tasks such as oil and filter changes, tire inspections, fluid level checks, engine tune-ups, and more.

2. Q: Why should I follow the PM Schedule C?

A: Following the PM Schedule C helps prolong your vehicle's lifespan, optimize fuel efficiency, enhance overall performance, improve safety and reliability, and reduce the risk of costly breakdowns and repairs.

3. Q: What are the key components inspected during PM Schedule C?

A: The key components inspected during PM Schedule C include oil and filter, tires, electrical system, fluid levels, chassis and doors, belts, hoses, brakes, lights, A/C system, transmission fluid and filter, coolant, fuel filter, engine, air filter, and differential lubricant.

4. Q: How frequently should I have PM Schedule C performed on my vehicle?

A: PM Schedule C should be performed every 24,000 miles or as recommended by your vehicle's manufacturer.

5. Q: Is it necessary to have a professional technician perform PM Schedule C?

A: While some tasks in PM Schedule C can be performed by experienced DIY enthusiasts, it is highly recommended to have a qualified technician perform the maintenance to ensure proper procedures are followed and to identify any potential issues.

6. Q: What are the consequences of neglecting PM Schedule C?

A: Neglecting PM Schedule C can lead to decreased vehicle performance, reduced fuel efficiency, increased wear and tear on components, and a higher risk of unexpected breakdowns and costly repairs.

7. Q: How much time does PM Schedule C typically take?

A: The duration of PM Schedule C can vary depending on the vehicle and the specific tasks required, but it typically takes several hours to complete.

8. Q: What should I do if I experience issues with my vehicle between PM Schedule C services?

A: If you notice any unusual noises, vibrations, or changes in performance between PM Schedule C services, it is best to have your vehicle inspected by a qualified technician as soon as possible to address any potential problems.

9. Q: What kind of parts and fluids should I use for PM Schedule C?

A: It is recommended to use parts and fluids that meet or exceed the manufacturer's specifications to ensure optimal performance and compatibility with your vehicle.

10. Q: Is there an easy way to keep track of when my vehicle is due for PM Schedule C?

A: Yes, you can easily keep track of your vehicle's PM Schedule C due date by using the FleetRabbit App, which helps you schedule and track your preventive maintenance tasks, ensuring you never miss an important service.

Sign up into your Fleet Rabbit app today

Stay ahead with your fleet management

Web Portal
April 18, 2025By Fleet Rabbit
All Posts

Scan & Download Our Apps Now!

qr button-appstore button-google-play

Latest Posts