Mitsubishi 4G1 Service Manual page 453

(11 )Hold the center of the tension side span of the timing
(between the camshaft and oil pump sprockets) between
your thumb and index finger as shown. Then, make sure
that the clearance between the belt back surface and cover
is standard value.
Standard value: 14 mm (.55 in.)
installed in position. (See eB4)
(2) Align timing mark on camshaft sprocket with timing mark
on cylinder head.
(3) Align timing mark on crankshaft sprocket with timing mark
on front case.
(4) Align the timing mark on oil pump sprocket with its mating
mark.
(5) Remove the plug on cylinder block and insert a Phillips
screwdriver [shank diameter 8 mm (31 in.)] through the
hole (Engine with silent shafts).
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 installation of
timing belt is finished.
TSB Revision
11 F-47
belt