Note: For the catalog number of the seal, see here or here.
Removal
Place the vehicle on a two-post lift, apply the parking brake, turn off the ignition and disconnect the ground wire from the battery.
Remove the front right wheel.
Remove the timing belt (see here).
Remove the crankshaft timing pulley (see here).
Remove oil seal 1, Figure 6-1, front crankshaft (flat screwdriver, technological hook).
Figure 6-1 - Removing the crankshaft oil seal: 1 - front crankshaft oil seal; 2 - front cover of the cylinder block
Installation
Clean the crankshaft oil seal seats and the crankshaft oil seal seat in the front cylinder block cover (wiping rags).
Install the front crankshaft oil seal using the tool (mot. 1385 or 67.7853-9707 L, hammer).
Install the crankshaft toothed pulley.
Install the timing belt.
Install the front right wheel.
Connect the ground wire terminal to the battery.