F 150 4WD Pickup V8-4.6L SOHC VIN W (1998)
14. Position the LH timing chain tensioner and install the bolts.
15. Remove both the RH and LH retaining pins from the timing chain tensioner.
16. Make sure that the copper (marked) chain links are lined up with the dots on the crankshaft sprockets and the camshaft sprocket.