Infiniti G37 Coupe. Manual — part 892
CHASSIS MAINTENANCE
MA-21
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A/T fluid level will be greatly affected by temperature as shown in figure. Therefore, be certain to
perform operation while checking data with CONSULT-III.
a.
Connect CONSULT-III to data link connector.
b.
Select “DATA MONITOR” mode for “TRANSMISSION”.
c.
Read out the value of “ATF TEMP 1”.
6.
Re-check A/T fluid level at A/T fluid temperatures of approximately 65
°
C (149
°
F) using “HOT” range on A/
T fluid level gauge.
CAUTION:
• When wiping away the A/T fluid level gauge, always use lint-free paper, not a cloth one.
• Firmly fix the A/T fluid level gauge to the A/T fluid charging pipe using a stopper attached.
7.
Install the removed A/T fluid level gauge in the A/T fluid charging pipe.
A/T FLUID CONDITION CHECK
Check the A/T fluid condition.
A/T FLUID : Changing
INFOID:0000000001766202
1.
Warm up ATF.
2.
Stop engine.
3.
Drain ATF from drain plug and refill with new ATF. Always refill same volume with drained ATF.
• To replace the ATF, pour in new ATF at the A/T fluid charging pipe with the engine idling and at the same
time drain the old ATF from the radiator cooler hose return side.
• When the color of the ATF coming out is about the same as the color of the new ATF, the replacement is
complete. The amount of new ATF to use should be 30 to 50% increase of the stipulated amount.
CAUTION:
SLIA0016E
Fluid condition
Conceivable Cause
Required Operation
Varnished (viscous var-
nish state)
Clutch, brake
scorched
Replace the ATF and check the A/T
main unit and the vehicle for mal-
functions (wire harnesses, cooler
pipes, etc.)
Milky white or cloudy
Water in the fluid
Replace the ATF and check for
places where water is getting in.
Large amount of metal
powder mixed in
Unusual wear of
sliding parts within
A/T
Replace the ATF and check for im-
proper operation of the A/T.
SAT638A
ATF
: Refer to
TM-329, "General Specification"
.
Fluid capacity
: Refer to
TM-329, "General Specification"
.
MA-22
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CHASSIS MAINTENANCE
• Use only Genuine NISSAN Matic J ATF. Do not mix with other ATF.
• Using ATF other than Genuine NISSAN Matic J ATF will cause deterioration in driveability and A/
T durability, and may damage the A/T, which is not covered by the NISSAN new vehicle limited
warranty.
• When filling ATF, be careful not to scatter heat generating parts such as exhaust.
• Do not reuse drain plug gasket.
4.
Run engine at idle speed for 5 minutes.
5.
Check A/T fluid level and condition. Refer to
MA-20, "A/T FLUID : Inspection"
. If ATF is still dirty, repeat
step 2. through 5.
6.
Install the removed A/T fluid level gauge into A/T fluid charging pipe.
M/T OIL
M/T OIL : Inspection
INFOID:0000000001766210
LEAKAGE
Make sure that gear oil is not leaking from transmission or around it.
LEVEL
1.
Remove filler plug (1).
2.
Check oil level from filler plug mounting hole as shown in the fig-
ure.
CAUTION:
Never start engine while checking oil level.
3.
Set a gasket on filler plug and then install it to transmission
case.
CAUTION:
Never reuse gasket.
4.
Tighten filler plug to the specified torque. Refer to
M/T OIL : Draining
INFOID:0000000001766222
1.
Start the engine and let it run to warm up transmission.
2.
Stop the engine. Remove drain plug and then drain gear oil.
3.
Set a gasket on drain plug and install it to transmission case.
CAUTION:
Never reuse gasket.
4.
Tighten drain plug to the specified torque. Refer to
M/T OIL : Refilling
INFOID:0000000001766223
1.
Remove filler plug (1). Fill with new gear oil to transmission as
shown in the figure.
2.
After refilling gear oil, check oil level. Refer to
.
3.
Set a gasket on filler plug and then install it to transmission
case.
CAUTION:
Never reuse gasket.
Drain plug - tightening torque
: Refer to
JPDIC0331ZZ
Oil grade and viscosity
: Refer to
Oil capacity
: Refer to
.
JPDIC0331ZZ
CHASSIS MAINTENANCE
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4.
Tighten filler plug to the specified torque. Refer to
CLUTCH FLUID
CLUTCH FLUID : Inspection
INFOID:0000000001679240
If fluid level is extremely low, check clutch system for leaks.
REAR PROPELLER SHAFT: 3S80A
REAR PROPELLER SHAFT: 3S80A : Inspection
INFOID:0000000001766224
NOISE
• Check the propeller shaft tube surface for dents or cracks. If damaged, replace propeller shaft assembly.
• If center bearing is noisy or damaged, replace propeller shaft assembly.
VIBRATION
• If vibration is present at high speed, inspect propeller shaft runout first.
1.
Measure propeller shaft runout at several points by rotating final
drive companion flange with hands.
2.
If runout still exceeds specifications, separate propeller shaft at
final drive companion flange; then rotate companion flange 90,
180, 270 degrees and install propeller shaft.
3.
Check runout again. If runout still exceeds specifications,
replace propeller shaft assembly.
4.
Check the vibration by driving vehicle.
RUNOUT MEASURING POINT
• Propeller shaft runout measuring point (Point “ ”).
REAR PROPELLER SHAFT: 3S80A-R
REAR PROPELLER SHAFT: 3S80A-R : Inspection
INFOID:0000000001766265
NOISE
• Check the propeller shaft tube surface for dents or cracks. If damaged, replace propeller shaft assembly.
• If center bearing is noisy or damaged, replace propeller shaft assembly.
JPDIB0032ZZ
Limit
Propeller shaft runout
: Refer to
.
SDIA1087E
: Vehicle front
Dimension
A: 192 mm (7.56 in)
B: 172 mm (6.77 in)
C: 170 mm (6.69 in)
PDIA0770J
MA-24
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CHASSIS MAINTENANCE
VIBRATION
• If vibration is present at high speed, inspect propeller shaft runout first.
1.
Measure propeller shaft runout at several points by rotating final
drive companion flange with hands.
2.
If runout still exceeds specifications, separate propeller shaft at
final drive companion flange; then rotate companion flange 120,
240 degrees and install propeller shaft.
3.
Check runout again. If runout still exceeds specifications,
replace propeller shaft assembly.
4.
Check the vibration by driving vehicle.
RUNOUT MEASURING POINT
• Propeller shaft runout measuring point (Point “ ”).
REAR DIFFERENTIAL GEAR OIL: R200
REAR DIFFERENTIAL GEAR OIL: R200 : Inspection
INFOID:0000000001766346
OIL LEAKEGE
• Make sure that oil is not leaking from final drive assembly or around it.
OIL LEVEL
• Remove filler plug (1) and check oil level from filler plug mounting
hole as shown in the figure.
CAUTION:
Never start engine while checking oil level.
• Set a gasket on filler plug (1) and install it on final drive assembly.
CAUTION:
Never reuse gasket.
REAR DIFFERENTIAL GEAR OIL: R200 : Draining
INFOID:0000000001766347
1.
Stop engine.
Limit
Propeller shaft runout
SDIA1087E
: Vehicle front
Dimension
A: 192 mm (7.56 in)
B: 172 mm (6.77 in)
C: 172 mm (6.77 in)
JSDIA0169ZZ
PDIA0749J
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