4-cylinder in-line engine
Removing
1. Remove the air filter cross tube by loosening the clamps.
Pic. 5.17. Removing the cylinder head cover: 1, 3 - bolt; 2 - bushing; 4 – a tip of a spark plug; 5 - hose; 6 - side cover; 7 - gasket; 8, 9 - cover
2. Disconnect hose 5 (pic. 5.17) crankcase ventilation system from the cylinder head cover.
3. Disconnect the cover clip 6 and remove it upwards.
4. Unscrew bolt 1, then remove cover 9 with bushing 2.
5. Remove tips from spark plugs.
6. Disconnect the oxygen concentration sensor wire.
7. Turn away bolts of fastening of a cover of a head of cylinders.
Attention! The bolts come in different lengths, so mark where they fit.
8. Remove cover 8 with gasket 7.
Installation
9. Check the technical condition of the cover gasket: it should not have porosity and crushed places. Install cover 8 with gasket 7 on the block head.
Attention! Pay attention to the correct installation of the gasket on the side of the rear grooves.
10. Fasten the cover bolts evenly with a torque of 10 Nm.
11. Attach the oxygen concentration sensor wire.
12. Install spark plug tips.
13. Install and bolt the remaining covers.
14. Connect a hose of system of ventilation of a crankcase and fix it with a collar.
15. Install the air filter cross tube.
16. Start the engine and warm it up to operating temperature.
17. Check up tightness of a cover of a head of cylinders. Pay special attention to the rear recesses and niches for spark plugs.
6-cylinder V-engine
Removing
1. Disconnect the connector from the air meter sensor.
2. Remove the air filter resonator.
3. Remove the air filter.
Pic. 5.18. Removing the cylinder head covers of the 6-cylinder V-twin engine: 1 - inlet pipe; 2 - pin connector; 3, 5 - ignition coil; 4 – spark plug tip
4. Turn away from a cover an inlet pipe 1 (pic. 5.18), disconnect it from the throttle assembly and remove together with the mass air flow sensor.
For models with automatic transmission:
5. Disconnect the oil level indicator tube in the gearbox.
For all models:
6. Disconnect fastening of coils 3, 5 of ignition to covers of heads of cylinders.
7. Remove tips of 4 spark plugs.
8. Disconnect the vacuum hoses facing the intake manifold from the cylinder head covers.
9. Disconnect the crankcase ventilation hose from the rear end of the left cylinder head cover.
10. Turn away bolts of fastening of covers of heads of cylinders and remove them with a sealing lining.
Installation
11. Establish a cover of a head of cylinders with a lining and wrap bolts of fastening a cross on a cross the moment of 10 Н·м. Check that the gasket is installed correctly by feeling with your fingers.
12. Connect from behind to a cover of the left head of cylinders a hose of system of ventilation of a crankcase of the engine.
13. Connect to covers of heads of cylinders vacuum hoses.
14. Screw ignition coils 3 and 5 with a torque of 8 Nm.
15. Fix tips of 4 spark plugs to covers of heads of cylinders according to their marking and connect to ignition coils.
For models with automatic transmission:
16. Screw the guide tube of the oil level indicator in the gearbox.
For all models:
17. Install the air filter.
18. Attach the air filter with the intake pipe, mass air flow sensor and throttle assembly to the cylinder head cover.
19. Connect the connector to the mass air flow sensor and install the resonator.