1st Timing Chain and Chain Tensioner

REMOVAL
1. Disconnect negative cable at battery.
2. Drain engine oil.
3. Drain coolant.
4. Remove oil pan.
5. Remove cylinder head cover.
6. Remove timing chain cover.





7. For reinstallation of timing chain, turn crankshaft so that timing marks on cylinder head and lower crankcase match with those on sprockets as shown in figure.
8. Remove 2nd timing chain.





9. Remove timing chain guide No.1.
10. Remove timing chain tensioner adjuster No.1.
11. Remove timing chain tensioner.
12. Remove idler sprocket and 1st timing chain.
13. Remove crankshaft timing sprocket.

INSPECTION





Timing chain guide No.1
^ Check shoe for wear or damage.





Timing chain tensioner
^ Check shoe for wear or damage.





Crankshaft timing sprocket
^ Check teeth of sprocket for wear or damage.





Idler sprocket
^ Check teeth and bush of sprocket for wear or damage.





1st timing chain
^ Check timing chain for wear or damage.





Timing chain tensioner adjuster No.1
^ Check that latch and tooth surface are free from damage and latch functions properly.

INSTALLATION





1. Check that match mark on crankshaft timing sprocket is in match with timing mark on lower crankcase.





2. Install crankshaft timing sprocket as shown in figure.
3. Apply oil to bush of idler sprocket.
4. Install idler sprocket and sprocket shaft.





5. Install 1st timing chain by aligning dark blue plate of 1st timing chain and match mark on idler sprocket.





6. Bring yellow plate of 1st timing chain into match with match marks on crankshaft timing sprocket.





7. Install timing chain tensioner as shown in figure.
Tightening Torque (a): 25 Nm (2.5 kg-m, 18.0 ft. lbs.)





8. With latch of tensioner adjuster No.1 returned and plunger pushed back into body, insert stopper into latch and body. After inserting it, check to make sure that plunger will not come out.





9. Install timing chain tensioner adjuster No.1.
Tightening Torque (a): 11 Nm (1.1 kg-m, 8.0 ft. lbs.)
10. Pull out stopper from adjuster No.1.





11. Install timing chain guide No.1.
Tightening Torque (a): 9 Nm (0.9 kg-m, 6.5 ft. lbs.)





12. Check that dark blue and yellow plates of 1st timing chain are in match with match marks on sprockets respectively.
13. Install 2nd timing chain.
14. Install timing chain cover.
15. Install cylinder head cover.
16. Install oil pan.
17. Install cooling system and other parts.
18. Refill cooling system with coolant and engine with engine oil.
19. Check to make sure that there is no water leakage and oil leakage at each connection.