ST-997 crankshaft rear oil seal driver is used as both a cover alinement tool and
seal driver. With pin removed, tool is used as alinement device. With pins
installed, tool is a driver.
Remove pins from ST-997 driver.
Slide driver into bore of rear cover and over end of crank shaft. Rear cover will pilot over tool.
Snug capscrews so cover can be shifted.
With feeler gage and steel straightedge, measure distance between oil pan surface of block and
bottom surface of cover.