Nissan Murano. Manual — part 1368
TM-14
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MECHANICAL SYSTEM
MECHANICAL SYSTEM
Cross-Sectional View
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1.
Converter housing
2.
Oil pump
3.
Forward clutch
4.
Reverse brake
5.
Planetary carrier
6.
Primary pulley
7.
Steel belt
8.
Sun gear
9.
Side cover
10. Internal gear
11.
Secondary pulley
12. Final gear
13. Differential case
14. Idler gear
15. Reduction gear
16. Taper roller bearing
17. Output gear
18. Parking gear
19. Input shaft
20. Torque converter
SCIA4837E
MECHANICAL SYSTEM
TM-15
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System Diagram
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System Description
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Transmits the power from the engine to the drive wheel.
JSDIA1367GB
TM-16
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MECHANICAL SYSTEM
Component Parts Location
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Component Description
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JSDIA1368GB
MECHANICAL SYSTEM
TM-17
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Item
Function
Torque converter
The torque converter is the device that increases the engine torque as well as the con-
ventional AT and transmits it to the transaxle.
Oil pump
The adoption of a trochoid oil pump with a flow control valve actuated directly by the en-
gine enables the sufficient discharge from an oil pump in the low-rpm range and the ad-
equate discharge adjustments in the high-rpm range.
Planetary gear
Perform the transmission of drive power and the switching of forward/backward move-
ment.
Forward clutch
Reverse brake
Primary pulley
It is composed of a pair of pulleys (the groove width is changed freely in the axial direc-
tion) and the steel belt (the steel star wheels are placed continuously and the belt is guid-
ed with the multilayer steel rings on both sides). The groove width changes according to
wrapping radius of steel belt and pulley from low status to overdrive status continuously
with non-step. It is controlled with the oil pressures of primary pulley and secondary pul-
ley.
Secondary pulley
Steel belt
Output gear
Reduction gear consists of primary deceleration (output gear and idler gear in pair) and
secondary deceleration (reduction gear and final gear in pair). Each of them uses a he-
lical gear.
Idler gear
Reduction gear
Final gear
Differential
Manual shaft
The parking rod rotates the parking pole and the parking pole engages with the parking
gear when the manual shaft is in “P” position. As a result the parking gear and the output
axis are fixed.
Parking rod
Parking pawl
Parking gear
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