Mitsubishi — 4. Remove the plug on the cylinder block and

A Mitsubishi service procedure — check it applies to your exact model before use.

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Procedure

1. 5. Install the timing belt on the crankshaft sprocket,
2. oil pump sprocket, idler pulley, camshaft sprocket,
3. and tensioner pulley in that order.
4. 6. Lift up the tensioner pulley in the direction of the
5. arrow and tighten the center bolt.
6. 7. Check that all timing marks are aligned.
7. 8. Remove the screwdriver inserted in step 4 and
8. install the plug.

Source: manual:Mitsubishi-2.0L-2.4L-Service-Manual-106992-Revision-D.pdf. Figures and steps are as documented; always cross-check against the official manual and any later revisions for your exact serial number before servicing.