Nissan GT-R. Manual — part 204
MA-38
< PERIODIC MAINTENANCE >
CHASSIS MAINTENANCE
• Visually check final drive assembly surrounding area for smears
and leakage of differential gear oil.
*1: When the oil drops
*2: If oil leakage is detected, perform necessary procedures, check for oil leakage, and adjust oil level to the proper level.
JPDID0431ZZ
Status
Parts
Required operation
Leakage
*1, 2
Transmission assembly
(on-board/single unit)
A: Filler plug
1.
Replace gasket.
2.
If oil leakage continues even after replace the transmission as-
sembly. (This work is recommended to be performed by GT-R
certified NISSAN dealer.)
B: Side cover
Replace the transmission assembly. (This work is recommended to be
performed by GT-R certified NISSAN dealer.)
C: Oil seal
Replace side oil seal. (This work is recommended to be performed by
GT-R certified NISSAN dealer.)
CAUTION:
Always replace side oil seal together with side flange. (If side oil
seal is abnormal, then side flange may also be abnormal.)
D: Drain plug
1.
Replace gasket.
2.
If oil leakage continues even after replace the transmission as-
sembly. (This work is recommended to be performed by GT-R
certified NISSAN dealer.)
E: Guide hole
1.
Replace side oil seal (left side). (This work is recommended to be
performed by GT-R certified NISSAN dealer.)
CAUTION:
Always replace side oil seal (left side) together with side
flange (left side). [If side oil seal (left side) is abnormal, then
side flange (left side) may also be abnormal.]
2.
If oil leakage continues even after replacing side oil seal, check
guide hole. If guide hole is abnormal, replace transmission as-
sembly. (This work is recommended to be performed by GT-R
certified NISSAN dealer.)
F: Air vent
Replace the transmission assembly. (This work is recommended to be
performed by GT-R certified NISSAN dealer.)
Transmission assembly
(single unit)
G: Breather
Clean and wipe spouted oil with a part cleaner. Fill with oil to the spec-
ified oil level, if necessary.
Smears
*3
Each part on the final drive assembly, includ-
ing the parts requiring oil leakage check.
Use part cleaner or the equivalent to wipe out smeared oil. Then, check
for oil leakage.
CHASSIS MAINTENANCE
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*3: When the oil does not drop
• Visually check transmission assembly surrounding area (oil seal, drain plug, filler plug, transmission case,
etc.) for smears and leakage of transmission oil. Refer to
MA-32, "TRANSMISSION OIL : Inspection"
OIL LEVEL
CAUTION:
Oil volume cannot be checked by oil level height.
1.
Remove filler plug (1) and gasket.
CAUTION:
Never start engine while checking oil level.
2.
Insert wire (A) etc. from filler plug mounting hole to confirm if the
oil attaches.
• If oil does not attach at the end of the wire, confirm that there
is not leakage, then refill the oil. (This work is recommended to
be performed by GT-R certified NISSAN dealer.)
CAUTION:
Prevent foreign matter from getting into final drive.
3.
Set a gasket on filler plug and install it on final drive, and then
tighten to the specified torque.
CAUTION:
Never reuse gasket.
BRAKE LINES AND CABLES
BRAKE LINES AND CABLES : Inspection
INFOID:0000000009161789
• Check brake fluid lines and parking brake cables for improper
attachment, leaks, chafing, abrasions, deterioration, etc.
BRAKE FLUID
BRAKE FLUID : Inspection
INFOID:0000000009161790
BRAKE FLUID LEVEL
• Check that the fluid level in the reservoir tank is within the specified
range (MAX – MIN lines).
• Visually check for any brake fluid leakage around the reservoir
tank.
• Check the brake system for any leakage if the fluid level is
extremely low (lower than MIN).
• Check the brake system for fluid leakage if the warning lamp
remains illuminated even after the parking brake lever is released.
• Check the reservoir tank for the mixing of foreign matter (e.g. dust)
and oils other than brake fluid.
BRAKE LINE
Standard
Filler plug tightening
torque
: 34.5 N·m (3.5 kg-m, 25 ft-lb)
JPDID0425ZZ
SBR389C
JPFIA0007ZZ
MA-40
< PERIODIC MAINTENANCE >
CHASSIS MAINTENANCE
1.
Check the brake line (tube and hose) for any cracks or damage.
CAUTION:
Replace with new ones if necessary.
2.
Depress the brake pedal with a force of 785 N (80 kg, 176 lb) and hold down the pedal for approximately
5 seconds with the engine running. Check for any fluid leakage.
CAUTION:
Retighten each part to the specified torque and repair any abnormal (damaged, worn, or deformed)
part if any fluid leakage is present.
BRAKE FLUID : Draining
INFOID:0000000009161791
CAUTION:
• Never spill or splash brake fluid on painted surfaces. Brake fluid may seriously damage paint. Wipe it
out immediately and wash with water if it gets on a painted surface.
• Turn the ignition switch OFF and disconnect the ABS actuator and electric unit (control unit) con-
nector or the battery negative terminal before performing work.
• Wrap the flare nut wrench with waste cloth to protect the caliper from damage.
• If the brake fluid adheres to the caliper or disc rotor, quickly wipe it out.
1.
Remove tires. Refer to
2.
Connect a vinyl tube to the bleeder valve.
3.
Depress the brake pedal and loosen the bleeder valve to gradually discharge brake fluid.
BRAKE FLUID : Refilling
INFOID:0000000009161792
CAUTION:
• Never spill or splash brake fluid on painted surfaces. Brake fluid may seriously damage paint. Wipe it
out immediately and wash with water if it gets on a painted surface.
• Turn the ignition switch OFF and disconnect the ABS actuator and electric unit (control unit) con-
nector or the battery negative terminal before performing work.
• Wrap the flare nut wrench with waste cloth to protect the caliper from damage.
• If the brake fluid adheres to the caliper or disc rotor, quickly wipe it out.
• Never allow foreign matter (e.g. dust) and oils other than brake fluid to enter the reservoir tank.
• Since brake fluid is susceptible to deterioration from moisture, discard brake fluid remaining in the
container.
1.
Check that there is no foreign material in the reservoir tank, and refill the brake fluid with new one.
CAUTION:
Never reuse drained brake fluid.
2.
Loosen the bleeder valve, slowly depress the brake pedal to the full stroke, and then release the pedal.
Repeat this operation at intervals of 2 or 3 seconds until all of the brake fluid is discharged. Then close the
bleeder valve with the brake pedal depressed. Repeat the same work on each wheel.
3.
Perform the air bleeding. Refer to
BR-10, "Bleeding Brake System"
.
DISC BRAKE
DISC BRAKE : Inspection
INFOID:0000000009161793
DISC ROTOR
Check condition, wear, and damage.
CALIPER
• Check for leakage.
BRAKE PAD
CHASSIS MAINTENANCE
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• Check for wear or damage.
DISC BRAKE : Front Disc Brake
INFOID:0000000009161794
Unit: mm (in.)
DISC BRAKE : Rear Disc Brake
INFOID:0000000009161795
Unit: mm (in.)
STEERING GEAR AND LINKAGE
STEERING GEAR AND LINKAGE : Inspection
INFOID:0000000009161796
STEERING GEAR
• Check gear housing and boots for looseness, damage and grease
leakage.
• Check connection with steering column for looseness.
STEERING LINKAGE
Check ball joint, dust cover and other component parts for looseness, wear, damage and grease leakage.
POWER STEERING FLUID AND LINES
POWER STEERING FLUID AND LINES : Inspection
INFOID:0000000009161797
FLUID LEVEL
1.
Check fluid level with engine stopped.
2.
Check that fluid level is between MIN and MAX.
CAUTION:
NNFIA0007ZZ
Item
Limit
Brake pad
Wear thickness
4.5 (0.177)
Disc rotor
Wear thickness
32.0 (1.260)
Item
Limit
Brake pad
Wear thickness
4.5 (0.177)
Disc rotor
Wear thickness
28.0 (1.102)
SLIA0014E
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