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http://www.fordrangerforum.com/how-s...procedure.html
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First off, I suggest you remove the exhaust #1 cylinder spark plug. That's the closest to the front of the vehicle on the passenger side.
Look into the spark plug hole with a flashlight. You should be able to see the top of the piston. That means #1 is at the correct stroke, and then move on to proper alignment of the crank, oil pump, and camshaft.
You will have to place the timing cover on to properly align the crankshaft.
53. Install the new timing tensioner
- Tighten tensioner adjustment bolt down with tensioner in the fully "untensioned" position.
54. Ensure that all timing marks align to TDC position, start routing timing belt starting at the crankshaft sprocket. Remove all tension between crankshaft sprocket and oil pump sprocket and route timing belt around oil pump sprocket. Remove all tension between oil pump sprocket and camshaft sprocket. Route timing belt around camshaft sprocket. Route the back side of the timing belt around the tensioner pulley and loosen the tensioner adjustment bolt - tighten adjustment bolt and spring bolt (17mm).
Place crankshaft pulley slightly onto the shaft and rotate the motor two full revolutions by hand (and make sure your timing marks still align - if they don't, repeat step 54).
Remove crankshaft pulley from shaft.
Tighten down all parts (such as the crankshaft positon sensor) that you had previously removed and re-install any components to the crankshaft that you had previously removed.