Removing
1. Disconnect a wire from the negative plug of the storage battery.
2. Remove the ignition distributor.
3. Remove the timing belt.
Pic. 3.13. SOHC engine camshaft and camshaft seals: 1 – a plait of wires of a control system of the engine; 2 - high-voltage wire; 3 – a cover of a head of the block of cylinders; 4 - axle rocker assembly with rocker arms (exhaust valve side); 5 - axis of rocker arms assembled with rocker arms (intake valve side); 6 – an epiploon of a camshaft; 7 - camshaft pulley; 8 - bolt, 88 Nm; 9 – a sealing ring of a directing tube of a spark plug; 10 - camshaft; 11 - branch pipe of the forced crankcase ventilation system (PCV); 12 - crankcase ventilation hose connection
4. Turn away bolts, disconnect electric sockets and remove a plait 1 (pic. 3.13) wires of the engine control system.
5. Pulling up on the tips, disconnect the high-voltage wires 2 from the spark plugs.
6. Disconnect the crankcase ventilation hose 12 and the branch pipe 11 of the forced crankcase ventilation system from the cylinder head cover (PCV).
7. Turn away bolts and remove a cover 3 heads of the block of cylinders together with a lining.
8. Check up and if necessary adjust backlashes in a drive of valves.
9. Using a special tool, fix the camshaft pulley from turning, unscrew the bolt and remove the camshaft pulley.
10. Remove the camshaft seal 6.
11. Remove the o-rings of the 9 spark plug guide tubes.
12. Loosen and then unscrew the bolt securing the axis of the rocker arms of the intake valves, then remove the entire assembly together with the bolt, which should remain together with the assembly 5.
13. Loosen and then unscrew the bolt of the exhaust valve rocker shaft, then remove the entire assembly together with the bolt, which should remain together with the assembly 4.
Attention! Do not disassemble the rocker axle assembly.
14. Evenly and gradually unscrew the bolts securing the camshaft covers, remove the covers and camshaft 10.
Installation
Installation is carried out in the reverse order of removal, taking into account the following.
1. Grease with engine oil a working edge of an epiploon of a camshaft.
Pic. 3.14. Using a special tool when installing the camshaft oil seal: 1 – an epiploon of a camshaft; 2 - special tool MD998713
2. When pressing the camshaft oil seal, use a mandrel of the appropriate diameter or a special tool (pic. 3.14).
3. To fix the camshaft pulley from turning, use a special tool (the same as when removing) and then tighten the bolt to 88 Nm.
4. Install the ignition distributor.
5. Install the timing belt.