Ranger 2WD V6-245 4.0L VIN X SFI (1997)
4. Install the crankshaft key and check the timing marks on the crankshaft sprocket and camshaft sprocket for correct alignment (as shown).
NOTE: Make sure that the tensioner side of the timing chain is held inward, and that the guide side of the chain is straight and tight.
5. Install the camshaft sprocket retaining bolt, and tighten to 60-80 Nm (44-50 ft. lbs.).
6. Remove the clip from the timing chain tensioner.
7. Check the camshaft end play.
8. Install the engine front cover.
9. Fill and bleed the cooling system.
10. Fill the crankcase with clean engine oil of the recommended grade and viscosity.
11. Start the engine and operate at fast idle. Check for coolant and oil leaks.
