Mark LT 2WD V8-5.4L VIN 5 (2007)
1. With the vehicle in NEUTRAL, position it on a hoist.
2. Drain the engine cooling system.
3. Disconnect the engine oil pressure (EOP) sensor electrical connector.
4. Disconnect the lower radiator hose from the oil filter adapter and position it aside.
5. Disconnect the degas bottle hose from the oil filter adapter and position it aside.
6. Remove and discard the engine oil filter.
7. Remove the 4 bolts and the oil filter adapter. To install, tighten to 25 Nm (18 ft. lbs.).
8. CAUTION: Do not use metal scrapers, wire brushes, power abrasive discs or other abrasive means to clean the sealing surfaces. These may cause
scratches and gouges resulting in leak paths. Use a plastic scraper to clean the sealing surfaces.
Remove and discard the oil filter adapter gasket. Clean the sealing surfaces with silicone gasket remover and metal surface prep. Follow the
directions on the packaging. Inspect the mating surfaces.
9. To install, reverse the removal procedure.
IN-VEHICLE REPAIR
Engine Oil Pressure (EOP) Switch
1. With the vehicle in NEUTRAL, position it on a hoist.
2. Disconnect the battery ground cable.
3. Disconnect the engine oil pressure (EOP) sensor electrical connector.
4. Remove the EOP sensor.
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To install, tighten to 21 Nm (15 ft. lbs.).
5. To install, reverse the removal procedure.
