Infiniti G37 Coupe. Manual — part 1305
SHIFT FORK AND FORK ROD
TM-73
< DISASSEMBLY AND ASSEMBLY >
[6MT: FS6R31A]
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SHIFT FORK AND FORK ROD
Exploded View
INFOID:0000000001732898
.
Disassembly
INFOID:0000000001732899
for disassembly procedure.
Assembly
INFOID:0000000001732900
Inspection
INFOID:0000000001732901
If the contact surface on striking lever, fork rod, shift fork, etc. has
excessive wear, abrasion, bend, or any other damage, replace the
components.
SCIA1681E
TM-74
< SERVICE DATA AND SPECIFICATIONS (SDS)
[6MT: FS6R31A]
SERVICE DATA AND SPECIFICATIONS (SDS)
SERVICE DATA AND SPECIFICATIONS (SDS)
SERVICE DATA AND SPECIFICATIONS (SDS)
General Specification
INFOID:0000000001732902
Engine type
VQ37VHR
Transmission
FS6R31A
Model code number
JK400
Number of speed
6
Shift pattern
Synchromesh type
Warner
Gear ratio
1st
3.794
2nd
2.324
3rd
1.624
4th
1.271
5th
1.000
6th
0.794
Reverse
3.446
Main gear
(Number of teeth)
Drive
26
1st
37
2nd
34
3rd
33
4th
31
6th
31
Reverse
42
Counter shaft gear
(Number of teeth)
Drive
32
1st
12
2nd
18
3rd
25
4th
30
6th
48
Reverse
15
Reverse idler gear (Number of teeth)
26
Oil capacity
(US pt, Imp pt)
Approx. 2.93 (6-1/4, 5-1/8)
Remarks
Reverse synchronizer
Installed
Double cone synchronizer
4th
Triple cone synchronizer
1st, 2nd, and 3rd
SCIA0955E
SERVICE DATA AND SPECIFICATIONS (SDS)
TM-75
< SERVICE DATA AND SPECIFICATIONS (SDS)
[6MT: FS6R31A]
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End Play
INFOID:0000000001732903
Unit: mm (in)
Baulk Ring Clearance
INFOID:0000000001732904
Unit: mm (in)
Item
Standard value
Counter shaft
0 - 0.10 (0 - 0.004)
Main drive gear
0 - 0.10 (0 - 0.004)
Mainshaft
0 - 0.10 (0 - 0.004)
Measurement point
Standard value
Limit value
4th
(Double-cone synchronizer)
Clearance between synchronizer cone
and inner baulk ring end face “A”
0.50 - 0.70 (0.020 - 0.028)
0.3 (0.012)
Clearance between outer baulk ring
pawl and synchronizer cone “B”
0.85 - 1.35 (0.033 -0.053)
0.7 (0.028)
1st, 2nd, and 3rd
(Triple-cone synchronizer)
Clearance between synchronizer cone
and clutch gear end face “A”
1st: 0.65 - 1.25 (0.026 - 0.049)
2nd: 0.60 - 1.30 (0.024 - 0.051)
3rd: 0.60 - 1.30 (0.024 - 0.051)
0.3 (0.012)
0.3 (0.012)
0.3 (0.012)
Clearance between outer baulk ring
pawl and synchronizer cone “B”
0.85 - 1.35 (0.033 - 0.053)
0.7 (0.028)
Clearance between inner baulk ring
and clutch gear end face “C”
1st: 0.80 - 1.2 (0.031 - 0.047)
2nd: 0.75 - 1.25 (0.030 - 0.049)
3rd: 0.75 - 1.25 (0.030 - 0.049)
0.3 (0.012)
0.3 (0.012)
0.3 (0.012)
5th and 6th
0.70 - 1.35 (0.028 - 0.053)
0.5 (0.020)
Reverse
0.75 - 1.20 (0.030 - 0.047)
0.5 (0.020)
PCIB0249E
PCIB0835J
TM-76
< BASIC INSPECTION >
[5AT: RE5R05A]
DIAGNOSIS AND REPAIR WORK FLOW
BASIC INSPECTION
DIAGNOSIS AND REPAIR WORK FLOW
Work Flow
INFOID:0000000001672103
INTRODUCTION
The TCM receives a signal from the vehicle speed sensor, accelera-
tor pedal position sensor (throttle position sensor) or PNP switch.
Then provides shift control or lock-up control via A/T solenoid valves.
The TCM also communicates with the ECM by means of a signal
transmitted from sensing elements used with the OBD-related parts
of the A/T system for malfunction-diagnostic purposes. The TCM is
capable of diagnosing malfunctioning parts while the ECM can store
malfunctions in its memory.
Input and output signals must always be correct and stable in the
operation of the A/T system. The A/T system must be in good oper-
ating condition and be free of valve seizure, solenoid valve malfunc-
tion, etc.
It is much more difficult to diagnose an error that occurs intermit-
tently rather than continuously. Most intermittent errors are caused
by poor electric connections or improper wiring. In this case, careful
checking of suspected circuits may help prevent the replacement of
good parts.
A visual check may not find the cause of the errors. A road test with
CONSULT-III (or GST) or a circuit tester connected should be per-
formed. Follow the “DETAILED FLOW”.
Before undertaking actual checks, take a few minutes to talk with the
customer who has the driveability complaint. The customer can sup-
ply good information about such errors, especially intermittent ones.
Find out what symptoms are present and under what conditions they
occur. A “Diagnostic work sheet” as shown in the example (Refer to
) should be used.
Start your diagnosis by looking for “conventional” errors first. This will
help troubleshoot driveability errors on an electronically controlled
engine vehicle.
Also check related Service bulletins.
DETAILED FLOW
1.
COLLECT THE INFORMATION FROM THE CUSTOMER
Get the detailed information from the customer about the symptom (the condition and the environment when
the incident/malfunction occurred) using diagnosis worksheet. Refer to
TM-77, "Diagnostic Work Sheet"
>> GO TO 2.
2.
CHECK SYMPTOM 1
Check the following items based on the information obtained from the customer.
• Fail-safe. Refer to
• A/T fluid inspection. Refer to
.
• Stall test. Refer to
TM-219, "Inspection and Judgment"
• Line pressure test. Refer to
TM-220, "Inspection and Judgment"
.
SAT631IB
SAT632I
SEF234G
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