Pathfinder 4WD V6-4.0L (VQ40DE) (2006)
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After cooling down the engine, again check oil/fluid levels including engine oil and engine coolant. Refill to specified level if necessary.
Timing Chain Tensioner
1. Internal chain guide
2. O-ring
3. Timing chain tensioner (secondary) (RH)
4. Camshaft sprocket (EXH)
5. Timing chain (secondary)
6. Timing chain (primary)
7. Camshaft sprocket RH (INT)
8. Camshaft sprocket LH (INT)
9. Slack guide
10. Timing chain tensioner (primary)
11. Crankshaft sprocket
12. Timing chain tensioner (secondary) (LH)
13. O-ring
14. Tension guide
Removal and Installation (Primary Timing Chain Tensioner)
REMOVAL
1. Remove engine room cover.
2. Remove engine under cover.
3. Partially drain engine coolant.
4. Remove lower fan shroud.
5. Disconnect crankcase ventilation hose and remove air duct and resonator assembly.