Basic Preventive Maintenance

Suggested Basic Preventive Maintenance for most diesel light trucks

  • Always consult your owner's manual, but a good rule of thumb is to have the oil and filter changed regularly - every 3,000 to 4,000 miles. Diesel oil changes are even more important.
  • Regularly changing diesel fuel filters and can extend diesel fuel pump and diesel injector life and ensure optimum engine performance.
  • A simple, inexpensive fuel system service which cleans the total fuel system, including intake valve seats, compression chambers, fuel injectors and fuel lines. This helps return compression to factory levels increasing power and performance while protecting against carbon build-up and reducing emissions.
  • Have all fluids checked, including brake, power steering, transmission/transaxle, windshield washer solvent and antifreeze. These fluids play a large role in the safety and performance of the vehicle.
  • Air filters have a great impact on fuel mileage and should be inspected frequently. The air filter should be checked every other oil change for clogging or damage. This ensures that your vehicle is performing at its peak condition.
  • Check tire inflation. Under-inflated tires can result in a loss of diesel fuel efficiency. This is the least expensive form of preventive and safety maintenance. Tires should be checked once a month.
  • Keep your diesel engine tuned. A worn or defective fuel injector can reduce fuel efficiency by as much as 30 percent.
  • Always consult your owner's manual for individual diesel service schedules. Maintenance requirements vary by manufacturer.
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