Oil Pump Chain

REMOVAL
1. Disconnect negative cable at battery.
2. Drain engine oil.
3. Drain coolant.
4. Remove timing chain cover. Refer to Timing Cover.
5. Remove LH bank 2nd timing chain. Refer to Timing Chain.
6. Remove 1st timing chain. Refer to Timing Chain.





7. Put match marks to oil pump chain and oil pump sprocket.
8. Remove oil pump chain guide.
9. Remove oil pump chain.
10. Remove oil pump drive sprocket.

INSPECTION





Oil Pump Chain Guide
Check shoe for wear or damage.





Oil Pump Drive Sprocket
Check teeth of sprocket for wear or damage.





Oil Pump Sprocket
Check teeth of sprocket for wear or damage.





Oil Pump Chain
Check oil pump chain for wear or damage.

INSTALLATION





1. Install oil pump drive sprocket as shown in figure.





2. Install oil pump chain by aligning match marks on oil pump chain and oil pump sprocket.





3. Install oil pump chain guide and hand-tighten oil pump chain guide bolts.
4. To take up slack of oil pump chain, push center of oil pump chain guide with a force of 0.5 to 0.6 N (50 - 60 g, 0.11 - 0.13 lbs.) then tighten oil pump chain guide bolts to specified torque.
Tightening Torque (c): 11 Nm (1.1 kg-m, 7.5 ft. lbs.)
5. Install 1st timing chain. Refer to Timing Chain.
6. Install LH bank 2nd timing chain. Refer to Timing Chain.
7. Install timing chain cover. Refer to Timing Cover.
8. Install oil pan, front differential housing, P/S system, cooling system, intake manifold with throttle body and other parts.
9. Refill cooling system with coolant, front differential with gear oil, P/S system with specified fluid and engine with engine oil.
10. Check wheel alignment referring Wheel, Tires and Alignment.
11. Verify that there is no fuel leakage, water leakage and oil leakage at each connection.