Nissan Altima L32. Instruction — part 1431
TM-68
< DISASSEMBLY AND ASSEMBLY >
[6MT: RS6F52A]
MAINSHAFT AND GEAR
16. Select 6th main gear adjusting shim and then install it onto mainshaft.
• Calculate thickness “S” of 6th main gear adjusting shim follow-
ing the procedure below so that end play dimension between
6th main gear and mainshaft rear bearing becomes the dimen-
sion shown below.
CAUTION:
Only one adjusting shim can be selected.
a. Measure dimension “S
1
” and “S
2
” using a height gauge (A) and
pick tester (B).
b. Install selected 6th main gear adjusting shim to mainshaft.
17. Press in mainshaft rear bearing using Tools.
18. Install mainshaft C-ring onto mainshaft and check that end play
of mainshaft rear bearing satisfies the standard value.
• If measurement is outside the standard range, reselect main-
shaft C-ring.
End play :Refer to
Dimension “S” = (S
1
- S
2
) - End play
S
: Thickness of adjusting shim
S
1
: Dimension from mainshaft standard face to
mainshaft rear bearing press-fit end face
S
2
: Dimension from mainshaft standard face to
6th main gear end face
PCIB1887E
Tool numbers
A: ST30720000 (J-25405)
B: ST30901000 (J-26010-01)
WCIA0314E
End play standard value : Refer to
.
SCIA0979E
MAINSHAFT AND GEAR
TM-69
< DISASSEMBLY AND ASSEMBLY >
[6MT: RS6F52A]
C
E
F
G
H
I
J
K
L
M
A
B
TM
N
O
P
19. Install C-ring holder and then install snap ring.
CAUTION:
Do not reuse snap ring.
20. Check end play of 1st and 2nd main gears.
Inspection
INFOID:0000000004201606
MAINSHAFT AND GEAR
Check items below. If necessary, replace them with new ones.
• Damage, peeling, dent, uneven wear, bending, and other non-
standard conditions of the shaft.
• Excessive wear, damage, peeling, and other non-standard condi-
tions of the gears.
SYNCHRONIZER
Synchronizer Hub and Coupling Sleeve
Check items below. If necessary, replace them with new ones.
• Damage and unusual wear on contact surfaces of coupling sleeve,
synchronizer hub and shifting insert.
• Coupling sleeve and synchronizer hub must move smoothly.
Baulk Ring and Spread Spring
PCIB0805E
End play standard value
: Refer to
SCIA0973E
SCIA1076J
SMT387A
TM-70
< DISASSEMBLY AND ASSEMBLY >
[6MT: RS6F52A]
MAINSHAFT AND GEAR
Check items below. If necessary, replace them with new ones.
• If any crack, damage, or excessive wear is found on cam face of
baulk ring or working face of insert, replace it.
Baulk Ring Clearance for Triple Cone Synchronizer (1st and 2nd)
• Check the clearance between outer baulk ring, synchronizer cone,
and inner baulk ring as follows.
CAUTION:
The clearances “A”, “B”, and “C” are controlled with outer
baulk ring, synchronizer cone, and inner baulk ring as a set.
Replace them as a set if the clearances are outside the limit
value.
1. Measure the clearance “A” at two points or more diagonally
opposite using a feeler gauge (B) when pressing outer baulk
ring (1), synchronizer cone (2), and inner baulk ring (3) toward
gear taper cone (C). Then calculate mean value.
2. Measure the clearance “B” at two points or more diagonally
opposite using a feeler gauge. Then calculate mean value.
SMT867D
PCIB1358E
Clearance “A”
Standard value : Refer to
Limit value
: Refer to
JPDIC0034ZZ
Clearance “B”
Standard value
: Refer to
Limit value
: Refer to
PCIB1360E
MAINSHAFT AND GEAR
TM-71
< DISASSEMBLY AND ASSEMBLY >
[6MT: RS6F52A]
C
E
F
G
H
I
J
K
L
M
A
B
TM
N
O
P
3. Measure the clearance “C” at two points or more diagonally
opposite using a feeler gauge (A) when pressing outer baulk
ring (1), synchronizer cone (2), and inner baulk ring (3) toward
gear taper cone (B). Then calculate mean value.
BEARING
Check bearing for damage and rough rotation. If necessary, replace
with new one.
Clearance “C”
Standard value : Refer to
Limit value
: Refer to
JPDIC0035ZZ
MTF0041D
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