Alero L4-144 2.4L DOHC VIN T SFI (2000)
12. Leave the alignment dowel pins installed.
13. The keyway on the crankshaft and the mark on the cylinder block should be aligned with the slack removed from the chain between the intake
camshaft sprocket and the crankshaft sprocket. If the mark and the keyway are not aligned, move the chain one tooth forward or rearward. Remove
the slack and recheck the marks.
Important: Use the following steps in order to reset the timing chain tensioner assembly to the zero position:
14. Reset the timing chain tensioner assembly.
A. Insert the tensioner plunger assembly into the tensioner housing.
B. With the tensioner plunger fully extended, turn the complete assembly upside down on a bench or other flat surface.
C. With the plunger face against the workbench, press firmly on the bottom of the tensioner housing.
D. Compress the plunger until the plunger is seated flush in the tensioner.
15. Check the plunger to make sure that the plunger is out of the cylinder at the correct dimension. The correct dimension for the plunger to extend out
of the cylinder is 1.7 mm ( 0.07 in ) maximum.
