Oil Cooler 2008 Ford F-250 King Ranch

2008 Ford F250 engine oil cooler diagram

  1. Oil Filter
  2. Oil Cooler Hoses
  3. Oil Cooler Coolant Hose Clamps
  4. Oil Cooler

The truck is showing high oil temperature, thermostats were replaced and temperature sensor but the problem persists, do I have to replace the oil cooler of the engine?


The engines cooling system is not overheating, the engines oil is. If the engine temperature is good, then that part of the system is fine.  It is possible for the oil cooler to be clogged or obstructed.  The most common cause for overheating would be from a Snow Plow blade blocking the air flow.

Use Motorcraft SAE 5W-20 Premium Synthetic Blend Motor Oil.

Engine coolant provides freeze protection, boil protection, cooling efficiency and corrosion protection to the engine and cooling components. In order to obtain these protections, the engine coolant must be maintained at the correct concentration and fluid level in the degas bottle.

When adding engine coolant, use a 50/50 mixture of engine coolant and distilled water.

Removal and Installation

  1. With the vehicle in NEUTRAL, position it on a hoist. For additional information, refer to Section 100-02.
  1. Drain the engine cooling system. For additional information, refer to Section 303-03.
  1. Remove and discard the oil filter.
    • To install, tighten to 16 Nm (12 lb-ft).
  1. Disconnect the oil cooler coolant hoses and position aside.
  1.  CAUTION: If metal foreign material is present in the oil cooler, mechanical concerns exist. To diagnose mechanical concerns, refer to Section 303-00. If the mechanical concern is not diagnosed and repaired, engine failure may occur.Remove and inspect the engine oil cooler.
    • To install, tighten to 58 Nm (43 lb-ft).
  1. To install, reverse the removal procedure.