1st Timing Chain and Chain Tensioner

Removal
1. Disconnect negative cable at battery.
2. Drain engine oil.
3. Drain coolant.
4. Remove oil pan and oil pump strainer.
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 cylinder block match with those on sprockets as shown in figure.
8. Remove 2nd timing chain.





9. Remove timing chain guide No. 1 (1).
10. Remove timing chain tensioner adjuster No. 1 (2).
11. Remove timing chain tensioner (3).
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 (1) and tooth surface (2) are free from damage and latch functions properly.

Installation





1. Check that crank timing sprocket key (1) is in match with timing mark (2) on cylinder block.





2. Install crankshaft timing sprocket (2) as shown in figure. Match mark (4) faces to chain cover.
3. Apply oil to bush of idler sprocket (1).
4. Install sprocket shaft and idler sprocket.





5. Install 1st timing chain (3) by aligning dark blue plate (4) of 1st timing chain and match mark (2) on idler sprocket.





6. Bring yellow plate (4) of 1st timing chain (3) into match with match mark (2) on crankshaft timing sprocket (1).





7. Install timing chain tensioner (1) as shown in figure.





8. With latch (2) of tensioner adjuster No. 1 returned and plunger (1) pushed back into body (3), hold it at the position by inserting stopper (4) between latch (2) and body (3).





9. Install timing chain tensioner adjuster No. 1 (1).
10. Pull out stopper (3) from adjuster No.1 (1).





11. Install timing chain guide No.1 (1).





12. Check that dark blue (2) and yellow (4) plate 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 and oil pump strainer.
17. Adjust cooling fan belt tension.
18. Refill cooling system with coolant, front differential with gear oil, engine with engine oil and power steering system with specified fluid.
19. Verify that there is no coolant leakage, power steering fluid leakage, exhaust gas leakage and oil leakage at each connection.