1 - bolt, 23–27 Nm + tighten by an angle of 60–62°+ tighten by an angle of 60–62°; 2 – a head of cylinders; 3 – laying of a head of cylinders.
Withdrawal
1. Drain the coolant and disconnect the upper radiator hose.
2. Remove the wide hose located between the air filter and the head cover.
3. Remove the air intake hose.
4. Remove the vacuum hose, fuel supply hose and coolant hose.
5. Remove the high voltage wire ends from the spark plugs.
6. Remove the ignition coil.
7. Remove the air chamber.
8. Remove the intake manifold.
9. Remove the heat shield and exhaust manifold.
10. Remove the water pump pulley and crankshaft pulley.
11. Remove the toothed belt cover.
12. Move the toothed belt tensioner to the water pump and temporarily secure it in this position.
13. Remove the toothed belt.
14. Remove the cylinder head cover.
15. Using a special tool 09221-21000, unscrew the cylinder head bolts in a certain sequence.
16. Remove the remnants of the cylinder head gasket from the cylinder block and cylinder head.
Warning! When removing gasket residues, be careful that they do not get into the channels of the cylinder block.
Examination
1. Inspect the cylinder head for damage, cracks, oil and coolant leaks. If necessary, replace the cylinder head.
2. Remove carbon deposits from combustion chambers. Blow out the lubrication channels with compressed air.
3. With a metal ruler and feeler gauge in six directions, check the flatness of the cylinder head. Regrind the cylinder head if necessary.
Maximum grinding: 0.08 mm
4. Replace or repair the cylinder head if the following defects are present:
- burnt valve seats;
- damage to the mating surface for installing the intake and exhaust manifolds;
- damage to the seats for installing oil sealing rings of the camshafts.
Installation
1. Clean the mating surfaces of the cylinder block and cylinder head.
2. Install a new cylinder head gasket to the cylinder block.
3. Screw in bolts of fastening of a head of cylinders. In a certain sequence, tighten the cylinder head bolts in the following order:
- A. tighten the bolts with a tightening torque of 23–27 Nm;
- b. tighten the bolts at an angle of 60–62°;
- With. tighten the bolts at an angle of 60–62°.
4. Move the toothed belt tensioner to the water pump and temporarily secure it in this position.
5. Install the toothed belt on the camshaft pulley, while checking that the timing marks of the pulleys are aligned with the pointers.
6. Adjust the toothed belt tension.
7. Install the cylinder head cover and secure with bolts, tightening them to the required torque.
Tightening torque: 8–10 Nm
8. Install the toothed belt guard.
9. Install a new intake manifold gasket and intake manifold. Tighten nuts and bolts to the required torque.
Tightening torque: 15–20 Nm
10. Install a new exhaust manifold gasket and exhaust manifold. Tighten nuts and bolts to the required torque.
11. Install the air chamber and secure with bolts and nuts, tightening them to the required torque.
Tightening torque: 15–20 Nm
12. Install the ignition coil.
13. Install the air intake hose.
14. Connect the vacuum hose, fuel supply hose and coolant hose.
15. Install wide hose.