Other Major Vehicle Component Oils

Schedule Service

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Contaminated or worn out oils cause breakdowns and repair/replacements of expensive components.

The schedule on which your fluids will need to be changed is determined by:

  • Year & Model of the vehicle
  • Operating Conditions such as:
    • Dusty conditions
    • High speed travel for long distances
    • High frequency of travel under 30mph
    • High or low ambient temperatures
    • Towing
    • Load carrying
    • Idling frequency
    • High periods of stop and go driving
  • Mileage or running hours since your last component oil change.
  • Time between specific component oil changes
  • Compenent type:
    • Transmission
    • Brakes
    • Power Steering
    • Rear Differential
    • Front Differential
    • Transfer Case

Regular changing of the above oils will maximize performance, fuel economy, and reliability. While some driving patterns may need more, and some factory schedules may vary, a safe and conservative long term cost effective approach for most drivers would be:

  • Consider the potential cost of major repairs and breakdowns in your decisions. (A minor cost now safes a major cost later.)
  • Consider early oil changes, oil changes before long trips or heavy use.
  • Every 30,000 miles have a professional technician check your transmission oil.
    • Models prior to 2008 routinely call for replacement at 30,000 mile increments
    • Transmission replacements can cost thousands of dollars!
  • Every 50,000 miles have a professional technician check your brake and power steering fluids. Safety has NO cost/benetfit formula
  • Every 60,000 miles have a professional technician check your differential and transfer case oils. Repairing these components can cost thousands of dollars.

Motorcraft Engine Oil & Filter Schedules

Schedules are dependent on driving conditions, engine type, and year. Severe conditions are caused by towing, heavy stop and go, long trips at high speed, excessive heat or cold, carrying loads, excessive idling, running in dusty conditions, using biodiesel, or excessive short trips or running under 25 mph. Many customers use a more severe schedule than they think do. Oil filters should ALWAYS be changed when the oil is changed.

Gas Engines:
  • Prior to 2008—Every 5,000 miles or every 6 months—Normal Driving
    Every 3,000 miles or every 3 months –Severe Driving
  • 2008 & beyond—Every 7,500 miles or every 6 months—Normal Driving
    Every 5,000 miles or every 3 months—Severe Driving
Due to customer’s average driving habits and the difficulty in identifying when you need an oil change in your busy lives SINCLAIR RECOMMENDS A 5,000 MILE OR 6 MONTH SCHEDULE and consultation with the advisor about their driving habits and needs.
Diesel Engines:
  • 7.3L —Every 5,000 miles or every 6 months —Normal Driving
    Every 3,000 miles or every 3 months—Severe Driving
  • 6.0L —Every 7,500 miles or 6 months—Normal Driving
    -Every 5,000 miles or 200 running hours—Severe Driving
  • 6.4L –Every 10,000 miles or 6 months hours—Normal Driving
    Every 5,000 miles or 200 running hours–Severe Driving
  • 4.5L –Every 7.500 miles or 6 months—Normal Driving
    Every 5,000 miles or 200 running hours—Severe Driving
Since most customers’ diesel vehicles are used in a way to match Severe Duty Schedules SINCLAIR RECOMMENDS a 5,000 MILE or 200 running hour schedule.
Hybrid Engines
  • Every 10,000 miles or six(6) months for Normal
  • Every 5,000 miles or six (6) months for Severe

SINCLAIR RECOMMENDS a 10,000 MILE OR 6 MONTH SCHEDULE and consultation with the advisor about their driving habits.