Timing chain 1. Dampener bar; 2. Bolt. Replace. 10 Nm + 90° turn; 3. Bolt; 4. Axial locking washer for the drive sprocket; 5. Left drive chain sprocket; 6. Bolt. Replace. 10 Nm + 90° turn; 7. Timing drive chain. Before removing, mark the direction of travel with paint; 8. Dampener bar; 9. Bolt. Replace. 10 Nm + 90° turn; 10. Bolt; 11. Bracket of the leading sprocket of the chain drive for the camshaft drive chain, right; 12. Axial lock washer; 13. Right drive chain sprocket; 14. Drive sprocket support pins; 15. Bolt; 16. Sealing ring. Replace; 17. Chain tensioner; 18. Bolt. 9 Nm; 19. Crankshaft; 20. Bolt. Replace. 10 Nm + 90° turn
Mounting position of drive chain sprocket bearing housing on the right
The dowel pins in the bearing cover bolts "3" of the right camshaft drive sprocket must fit into the hole in the dowel washer "1" and the cylinder block.
- 2. Drive sprocket for camshaft drive chain right
- 4. Bolt
Removal the timing chain
Gearbox removed. Remove lower cover of drive chains. Remove chains from camshafts. Install chain drive of auxiliary units. Press on slider of chain tensioner damper in "direction of arrow" and fix chain tensioner with locking pin "T40071".
Risk of failure due to reverse running of the drive chain already in use. For reassembly, mark the direction of the drive chain with an arrow, use paint for this. Do not make notches with a center punch or similar tools. Unscrew bolt "1" and remove the damper bar. Unscrew bolts "2" and remove the chain tensioner. Remove the chain drive.
Installation
Installation in reverse order, note the following: Replace the bolts that were tightened with additional tightening. Install the drive chain in accordance with the markings applied during removal, on the chain drive sprockets. Install the tensioner bar and tighten the bolts "1". Install the chain tensioner and tighten the bolts "2". Press the chain drive tensioner damper bar in the "direction of the arrow" and remove the locking pin "T40071" from the tensioner. Install the accessory chain drive. Install the drive chains on the camshafts. Install the lower cover of the drive chains.