DOHC Engines

Installation

~2min read

PROCEDURE

1. Install the bushing and the crankshaft pulley as shown in the illustration. Pay attention to their installation direction.

Tightening torque: 140–150 N·m

2. Install the camshaft pulley and secure it with the bolt, tightening to the specified torque.

Tightening torque: 80–100 N·m

3. Установите направляющий ролик и закрепите болтом, затянув его требуемым моментом.

3. Install the guide pulley and secure it with the bolt, tightening to the specified torque.

Tightening torque: 43–55 N·m

4. Align the timing marks on the camshaft and crankshaft pulleys with the pointers, so that the piston of cylinder No. 1 is at TDC on the compression stroke.

5. При установке механизма натяжения зубчатого ремня в первую очередь установите

5. When installing the timing belt tensioner, first install the tensioner, spring, and spacer sleeve. Temporarily tighten the bolts. Then temporarily compress the tensioner by inserting the bolt into the elongated hole. Install the rear end of the flat spring against the front cover, as shown in the illustration.

6. Lock the tensioner retracted toward the water pump.
7. Install the timing belt onto the crankshaft pulley.

8. Установите зубчатый ремень на шкив распределительного вала, при этом убедитесь,

8. Install the timing belt onto the camshaft pulley, making sure there is no slack on the tension side.

9. Ослабьте болты 1 и 2 крепления механизма натяжения в последовательности, показанной

9. Loosen tensioner mounting bolts 1 and 2 in the sequence shown in the illustration. The tensioner spring will extend.
10. Tighten tensioner mounting bolts 1 and 2 in the same sequence.
11. Turn the crankshaft clockwise two full revolutions and align the timing mark on the crankshaft timing belt pulley with the pointer on the cylinder block. Check that the mark on the camshaft pulley is aligned with the pointer on the cylinder head cover.

Do not turn the crankshaft counterclockwise.

12. In the same sequence, loosen tensioner mounting bolts 1 and 2.
13. Tighten tensioner mounting bolts 1 and 2 in the same sequence.
Tightening torque: 20–27 N·m

14. Повторно проверьте натяжение зубчатого ремня. При нажатии на натянутую ветвь

14. Recheck the timing belt tension. When 49 N is applied to the tension side of the timing belt, the belt should deflect until it reaches the center of the tensioner mounting bolt head.

15. Установите кожухи зубчатого ремня.

15. Install the timing belt covers.
Tightening torque: 8–10 N·m
16. Install the crankshaft pulley.
Tightening torque: 140–150 N·m
17. Install the V-ribbed belt for the cooling fan drive and adjust its tension.
18. Install the water pump pulley.

19. Установите поликлиновой ремень и отрегулируйте его натяжение.

19. Install the V-ribbed belt and adjust its tension.

Test yourself

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