Engines 111.948
1. Turn off the ignition.
2. Disconnect and remove intake pipe 1 from intake manifold (see fig.1.18a).
Pic. 1.18 a. Disconnect and remove the intake pipe from the intake manifold and remove the spark plug cap.
1. Inlet pipe,
2. Spark plug cover
3. Remove the spark plug cover 2.
4. Remove ignition coils 3 with high-voltage wires.
5. Remove adapters from spark plugs 4 (see fig. 1.18 b).
Pic. 1.18 b. Remove the spark plugs.
3. Ignition coils,
4. Spark plugs.
6. Remove the spark plugs and screw in new ones (see fig. 1.18 in). Use only recommended spark plugs.
Installation
7. Installation is made in an order, the return to removal.
Engine 104.900
8. Turn off the ignition.
9. Remove mass air flow sensor 1 (see fig.1.19).
Pic. 1.19. Replacing spark plugs on engine 104.900:
1. Mass air flow sensor,
2. Spark plug adapter,
3. Spark plug.
10. Remove the decorative engine panel.
11. Remove spark plug adapters 2.
12. Remove spark plugs 3.
13. Install all elements in the reverse order of removal.