Removing
Remove the camshaft timing belt cover and toothed belt.
Remove the drive belt pulley and toothed belt pulley from the crankshaft.
After placing a screwdriver under the oil seal, remove it from the socket in the front cover.
Installation
Lubricate the seal lip with engine oil and install the seal with the seal lip inward.
Using a special tubular mandrel and a hammer, install the oil seal into the seat with light, even blows.
Install the toothed belt pulley and the crankshaft drive belt pulley.
Install the camshaft timing belt and belt guards.