Contents: SOHC engines ⤓ DOHC engines ⤓
SOHC engines
1. Align the TDC mark on the camshaft with the mark on the cylinder head (Figure 3.7).
Figure 3.7. Align the TDC mark on the camshaft with the mark on the cylinder head
2. Align the TDC mark on the crankshaft with the mark on the front timing belt cover (Figure 3.8).
Figure 3.8. Align the TDC mark on the crankshaft with the mark on the front timing belt cover
3. Having tensioned one side of the timing belt, install it first on the toothed pulley of the crankshaft, then on the pulley of the camshaft and then on the tensioner roller (Figure 3.9).
Figure 3.9. Having stretched one side of the timing belt, install it first on the toothed pulley of the crankshaft, then on the pulley of the camshaft and then on the tensioner roller
4. Loosen the tensioner mounting bolts 1/4-1/2 turn so that the tensioner spring can tension the timing belt.
5. Turn the crankshaft twice in the direction of its rotation (clockwise) and check the alignment of the TDC marks.
6. Tighten the timing belt tensioner roller mounting bolts.
DOHC engines
7. Align the TDC marks on the camshaft pulleys with the marks on the cylinder head (Figure 3.10)
Figure 3.10. Align the TDC marks on the camshaft pulleys with the marks on the cylinder head
Attention! After aligning the TDC marks on the camshaft pulley, it will unlock. To lock, turn it one tooth in the direction of the arrow.
8. Align the TDC mark on the crankshaft with the mark on the front timing belt cover (Figure 3.8).
9. Turn the camshaft pulley in the direction of the arrow (Figure 3.11). Install the timing belt, making sure the TDC marks are aligned.
Figure 3.11. Rotate the camshaft pulley in the direction of the arrow. Install the timing belt, with the TDC marks aligned
10. To prevent the timing belt teeth from slipping, use a retainer.
11. Install the timing belt first on the intermediate roller, then on the crankshaft toothed pulley and then on the tensioner roller (Figure 3.12).
Figure 3.12. Install the timing belt first on the intermediate roller, then on the crankshaft toothed pulley and then on the tensioner roller
Caution! When installing the timing belt, the TDC marks must be constantly aligned and one side of the timing belt must remain taut.
12. Loosen the tensioner mounting bolts 1/4-1/2 turn so that the tensioner spring can tension the timing belt.
13. Remove the retainer.
14. Turn the crankshaft twice in the direction of its rotation (clockwise) and check the alignment of the TDC marks.
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15. Tighten the timing belt tensioner roller mounting bolts.