Nissan Sentra. Manual — part 845
TM-16
< SYSTEM DESCRIPTION >
[6MT: RS6F94R]
STRUCTURE AND OPERATION
Triple-cone synchronizers are adopted for the 1st and the 2nd gears
to reduce operating force of the shifter lever.
REVERSE GEAR NOISE PREVENTION FUNCTION (SYNCHRONIZING METHOD)
Reverse gear assembly consists of reverse input gear, return spring,
reverse baulk ring, and reverse output gear. When the shifter lever is
moved to the reverse position, the construction allows smooth shift
operation by stopping the reverse idler shaft rotation by frictional
force of synchronizer.
1.
: 1st main gear
2.
: 1st-2nd coupling sleeve
3.
: Insert key
4.
: Outer baulk ring
5.
: 2nd main gear
6.
: Synchronizer cone
7.
: Inner baulk ring
8.
: 1st-2nd synchronizer hub
SCIA7636E
1.
: Reverse fork rod
2.
: Reverse output gear
3.
: Return spring
4.
: Reverse baulk ring
5.
: Reverse input gear
SCIA7621E
POSITION SWITCH
TM-17
< DTC/CIRCUIT DIAGNOSIS >
[6MT: RS6F94R]
C
E
F
G
H
I
J
K
L
M
A
B
TM
N
O
P
DTC/CIRCUIT DIAGNOSIS
POSITION SWITCH
BACK-UP LAMP SWITCH
BACK-UP LAMP SWITCH : Component Inspection
INFOID:0000000009759269
1.
CHECK BACK-UP LAMP SWITCH
1. Disconnect position switch harness connector. Refer to
TM-21, "Removal and Installation"
2. Check continuity between position switch terminals.
Is the inspection result normal?
YES
>> INSPECTION END
NO
>> Replace position switch. Refer to
PARK/NEUTRAL POSITION (PNP) SWITCH
PARK/NEUTRAL POSITION (PNP) SWITCH : Component Inspection
INFOID:0000000009759270
1.
CHECK PARK/NEUTRAL POSITION (PNP) SWITCH
1. Disconnect position switch harness connector. Refer to
TM-21, "Removal and Installation"
2. Check continuity between position switch terminals.
Is the inspection result normal?
YES
>> INSPECTION END
NO
>> Replace position switch. Refer to
Terminals
Condition
Continuity
1
2
Reverse gear position
Existed
Except reverse gear position
Not existed
PCIB1781E
Terminals
Condition
Continuity
2
3
Neutral gear position
Existed
Except neutral gear position
Not existed
JPDIC0091ZZ
TM-18
< SYMPTOM DIAGNOSIS >
[6MT: RS6F94R]
NOISE, VIBRATION AND HARSHNESS (NVH) TROUBLESHOOTING
SYMPTOM DIAGNOSIS
NOISE, VIBRATION AND HARSHNESS (NVH) TROUBLESHOOTING
NVH Troubleshooting Chart
INFOID:0000000009759271
Use the chart below to find the cause of the symptom. The numbers indicate the order of the inspection. If nec-
essary, repair or replace these parts.
SUSPECTED PARTS
(Possible cause)
OIL
(Oil
lev
el
is
lo
w)
OI
L (W
ro
ng
oi
l)
OIL
(Oil
lev
el
is
h
igh
)
GASKE
T (Damaged)
OIL SEAL (W
orn or
damaged)
O
-RING
(W
orn
or
da
ma
ge
d)
SHIF
T CONTROL L
INKAGE
(W
o
rn)
SHIF
T FORK (W
orn)
G
EAR (W
o
rn o
r da
m
age
d)
BEAR
ING
(W
orn
o
r
da
ma
ge
d)
BAUL
K
RING
(W
orn
o
r da
ma
ge
d)
INSE
R
T S
P
RING
(Dam
ag
ed
)
Reference
Symptoms
Noise
1
2
3
3
Oil leaks
3
1
2
2
2
Hard to shift or will not shift
1
1
2
3
3
Jumps out of gear
1
2
2
M/T OIL
TM-19
< PERIODIC MAINTENANCE >
[6MT: RS6F94R]
C
E
F
G
H
I
J
K
L
M
A
B
TM
N
O
P
PERIODIC MAINTENANCE
M/T OIL
Inspection
INFOID:0000000009759272
OIL LEAKAGE
Make sure that gear oil is not leaking from transaxle or around it.
OIL LEVEL
1. Remove filler plug (1) and gasket from transaxle case.
2. Check the oil level from filler plug mounting hole as shown.
CAUTION:
Do not start engine while checking oil level.
3. Set a gasket on filler plug and then install it to transaxle case.
CAUTION:
Do not reuse gasket.
4. Tighten filler plug to the specified torque. Refer to
CAUTION:
Do not overtighten the filler plug as this could cause the
transaxle case to crack.
Draining
INFOID:0000000009759273
1. Start engine and let it run to warm up transaxle.
2. Stop engine. Remove drain plug (1) and gasket, using a suitable
tool and then drain gear oil.
3. Set a gasket on drain plug and install it to clutch housing, using
a suitable tool.
CAUTION:
Do not reuse gasket.
4. Tighten drain plug to the specified torque. Refer to
CAUTION:
Do not overtighten the filler plug as this could cause the
transaxle case to crack.
Refilling
INFOID:0000000009759274
1. Remove filler plug (1) and gasket from transaxle case.
2. Fill with new gear oil until oil level reaches the specified limit at
filler plug mounting hole as shown.
3. After refilling gear oil, check the oil level. Refer to
4. Set a gasket on filler plug and then install it to transaxle case.
CAUTION:
Do not reuse gasket.
5. Tighten filler plug to the specified torque. Refer to
CAUTION:
Do not overtighten the filler plug as this could cause the transaxle case to crack.
SCIA7623E
SCIA7622E
Oil grade and
viscosity
: Refer to
MA-11, "Fluids and Lubricants"
.
Oil capacity
: Refer to
MA-11, "Fluids and Lubricants"
.
SCIA7623E
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