The oil seal is behind the camshaft sprocket. To remove the oil seal, special tool No. 2085 is required (pic. 62). Its use will be described next. If you do not have one, then use a hook to remove the gland.
Remove the locking band after loosening the alternator mounting bolts and move it to the middle.
Disconnect the top casing of a gear belt from a head of the block of the engine.
Turn the crankshaft so that the piston of the first cylinder is at TDC. For installation, use the labels used to adjust the ignition.
Loosen the bolts holding the fluid pump (see section), and remove the toothed belt from it. The belt must be carefully tied up without twisting so that it cannot fall off the crankshaft toothed pulley. Now the crankshaft cannot be rotated, as the installation of the gas distribution phases will be violated. Block the camshaft pulley (like an old toothed belt) and loosen the bolts holding the pulley. Remove bolts and washers.
Remove the toothed pulley from the shaft. Remove the key from the shaft groove.
Turn out from a head of the block bolts of fastening of a back casing of a gear belt, the top bolt of fastening of the liquid pump, remove a casing.
Take the special puller Nq 2085 (see fig. 62), turn it inside (A) 2 turns, slide it out of the housing by 3 mm and lock it in this position with a screw (IN).
Lubricate the threaded part of the puller housing and put it on the camshaft until it comes into contact with the oil seahp constant force on the ratchet, screw the puller onto the stuffing box (pic. 63).
Loosen the screw (pos. B, see fig. 62) and turn the inside out until the oil seal is removed.
Secure the puller in a vice with pliers and remove the seal. Lubricate the seating surfaces of the shaft and the working lip of the new oil seal with engine oil. To install it, use a mandrel or a piece of pipe of a suitable diameter. It must be in full contact with the seal housing. Install the oil seal and seat it flush with the surface of the block head. Do not completely sink the oil seal, as it can close the hole in the oil return channel.
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