B2500 SE Regular Cab 2WD L4-2.5L VIN C (1998)
12. Align the timing marks.
1) Align the crankshaft sprocket mark to the front cover notch.
2) Align the oil pump sprocket diamond to the engine front cover diamond.
3) Align the camshaft sprocket triangle to the engine front cover triangle.
13. Install the timing chain/belt over the crankshaft sprocket, proceeding counterclockwise over the oil pump sprocket and over the camshaft sprocket.
14. Loosen the bolt allowing the tensioner pulley to press against the timing chain/belt.
NOTE: The timing belt tensioner must not be tightened or belt tension will not be distributed over the entire belt.
15. Rotate the crankshaft two revolutions clockwise. Bring crank slowly to number one position firing position (keyway on crank facing up). The dot
on the crankshaft gear is aligned with the notch on the front cover.
16. Recheck timing mark alignment. Repeat if required.
17. Install in reverse order of removal.