Mitsubishi 1989-1993 GALANT Service Manual page 100

Center bolt i
Timina mark
Timing
mark
Crankshaft sprocket
ENGINE <SOHC> - Timing Belt
(2) Install the auto tensioner.
Caution
Leave the wire installed in the auto tensioner.
13. INSTALLATION OF TENSIONER PULLEY
(1) Install the tensioner pulley onto the tensioner arm.
(2) Locate the pinhole in the tensioner pulley shaft to the
left of the center bolt. Then, tighten the center bolt
finger-tight.
Caution
Leave the wire installed in the auto tensioner.
12. INSTALLATION OF TIMING BELT
(1) Ensure that the timing marks of the camshaft sprocket,
the crankshaft sprocket, and the oil pump sprocket are
all aligned.
Timing
mark
(2) Remove the plug on the cylinder block and insert a
Phillips screwdriver [shank diameter 8 mm (.31 in.)]
through the hole.
If it can be inserted as deep as 60 mm (2.4 in.) or more,
the timing marks are correctly aligned. If the inserted
depth is only 20-25 mm (.8-1.0 in.), turn the oil pump
sprocket one turn and realign timing marks. Then check
to ensure that the screwdriver can be inserted 60 mm
(2.4 in.) or more. Keep the screwdriver inserted until the
installation of the timing belt is finished.
NOTE
Step (2) is performed to ensure that the oil pump
sprocket is correctly positioned with reference to the
silent shafts.