Removing
Installation details of the upper front covers
1a - Retainer; 3 - Distributor rotor (engines 120.980); 4 - Slider (engine 120.980); 5 - Protective cover (engines 120.980); 5a - Seal (engine 120.980); 6 - Rubber gasket; 7 - O-ring; 8 - Power steering pump reservoir; 9a - Pipe of the cooling system; 11 - Bracket; 12 - Power steering pump; 12a - Power steering pump adapter; 12b - Seal; 13 - Guide bridge; 30 - Right front cover; 30a - Left front cover
Support bracket installation details
11 - Bracket
13, 14 - M8x85 bolts
1. Remove cylinder head covers.
2. Remove the radiator.
3. Remove the alternator drive belt.
4. Remove the thermostat housing.
5. Remove the guide roller.
6. Remove the nozzle (9a) cooling systems.
7. Remove rotor and slider (4) distributor (motors series 120.980).
8. Remove the protective cover and seal.
9. Lift the reservoir of the power steering pump up and remove it together with the tubes.
10. Unscrew the bracket (11) and take it off. 11. Unscrew the adapter (12a) power steering pump (12).
12. Turn away bolts (arrows) and remove the front covers.
13. Replace the rubber gasket and sealing ring under the cooling system pipe.
14. Wipe the sealing surfaces of the front cover and cylinder head. 15. Check the gaskets of the timing chain guide bridge for signs of damage and, if necessary, replace it.
Installation
When installing the top covers, make sure that the rubber seal is not moved down (arrows)
1 - Bushing
2 - sealing edge of the stuffing box
31 — a finger of the directing lever
Bolts of fastening of the left top cover (right top cover installed mirror)
1, 2 - M8x65 bolts
3 - Bolts left upper M8x50 right upper M8x65
1. Apply sealant 002 989 7320 10 to the groove of the timing chain cover of the left and right cylinder heads. Insert a new gasket (without sealant) into a dry groove. Lubricate the top of the gasket with engine oil. Lubricate the contact surfaces of the cylinder head with the same sealant.
2. On motors 120.980 install the sleeve (1) to the exhaust camshaft. Lubricate the sealing lip of the radial oil seal (2) engine oil.
3. Install the front covers. When installing them, make sure that the rubber gasket is not shifted down, chamfer the bottom of the gasket. Remove the cap on the left cover (31), guide arm pin, and reinstall them after installing the cover.
4. Install the cover bolts. Tighten the bottom bolts first.
5. Further installation is made in an order, the return to removal. Cutout on the slider (4) should line up with the pin on the camshaft.