Nissan ENGINE - Timing Chain Tensioner Service

TIMING CHAIN TENSIONER
EM-67
< REMOVAL AND INSTALLATION >
[VQ40DE]
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TIMING CHAIN TENSIONER
Exploded View INFOID:0000000008798985
Removal and Installation (Primary Timing Chain Tensioner) INFOID:0000000008798986
NOTE:
When removing components such as hoses, tubes/lines, etc., cap or plug openings to prevent fluid from spill-
ing.
REMOVAL
1. Remove engine under cover. Refer to EXT-15, "Removal and Installation".
2. Partially drain engine coolant. Refer to CO-11, "Changing Engine Coolant"
.
3. Remove lower fan shroud. Refer to CO-15, "Exploded View"
.
4. Disconnect crankcase ventilation hose and remove air duct and resonator assembly. Refer to EM-24,
"Removal and Installation".
5. Disconnect mass air flow sensor and remove air cleaner case (upper). Refer to EM-24, "Removal and
Installation".
6. Remove coolant reservoir hose.
7. Disconnect upper radiator hose from radiator.
8. Disconnect and remove engine cooling fan (Motor driven type). Refer to CO-19, "Removal and Installation
(Motor driven type)".
9. Remove upper fan shroud. Refer to CO-15, "Exploded View"
.
10. Remove drive belt. Refer to EM-13, "Removal and Installation"
.
AWBIA0859GB
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
Revision: January 2013 2013 Xterra