Replacing camshaft seals

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If traces of oil leakage through the camshaft seals are found, first check if the crankcase ventilation system is clogged and if the hoses of this system are pinched, if necessary, repair the problem. If the oil leak continues, replace the seals.

You will need: all the tools needed to remove the cylinder head cover (see «Replacing the cylinder head cover gasket»), timing belt drive (see «Replacing the timing belt»), as well as the key «at 19», end head «at 16», flat blade screwdriver.

1. Disconnect the wire from the terminal «minus» battery.

2. Remove all spark plugs (see «Replacement and maintenance of spark plugs»).

3. Remove the cylinder head cover (see «Replacing the cylinder head cover gasket»).

4. Remove the timing belt (see «Replacing the timing belt»).

5. Holding the camshafts from turning with a key for the hexagonal sections on the shafts, unscrew the bolts securing the camshaft drive pulleys..



6.... and remove the pulleys from the shafts.



7. Prying with a screwdriver, remove the oil seals from the sockets of the cylinder head.


8. Before installing new oil seals, inspect their working edges. They should be smooth, without tears, dents and rubber influxes. Gland springs must be intact and unstretched. Lubricate the working edges with engine oil.

Note. To facilitate the pressing of the seals, make small chamfers on their seating edges with a needle file or a fine emery wheel.




9. Install the oil seals with the working edges inside the sockets of the block head, carefully fill the working edges on the camshafts (e.g. with a wooden stick) and press it in with a suitable mandrel. As a mandrel, you can use a suitable size head from the tool kit or an old oil seal.

10. Establish all removed details and knots in an order, the return to removal.

11. Adjust the tension of the timing belt (see «Replacing the timing belt»).







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