Infiniti G37 Coupe. Manual - part 894

CHASSIS MAINTENANCE

MA-29

< ON-VEHICLE MAINTENANCE >

• Regarding spare tire (for emergency) wheel, wrong assembly pro-

tection pin through hole (1) has been set in addition to regular bolt
holes (2) in order to enable installation to front wheel.
NOTE:
Protection pin through hole of 18 inch spare wheel is non-through
type.

BRAKE FLUID LEVEL AND LEAKS

BRAKE FLUID LEVEL AND LEAKS : Inspection

INFOID:0000000001679258

• If fluid level is extremely low, check brake system for leaks.

BRAKE LINES AND CABLES

BRAKE LINES AND CABLES : Inspection

INFOID:0000000001679259

• Check brake fluid lines and parking brake cables for improper

attachment, leaks, chafing, abrasions, deterioration, etc.

BRAKE FLUID

BRAKE FLUID : Changing

INFOID:0000000001679260

Drain brake fluid from each bleed valve.

Refill until new brake fluid comes out from each bleed valve.
Use same procedure as in bleeding hydraulic system to refill
brake fluid.
Refer to

BR-12, "Bleeding Brake System"

• Refill with recommended Genuine NISSAN Super Heavy Duty

Brake Fluid or equivalent DOT 3 (US FMVSS No. 116).
Refer to

MA-10, "Fluids and Lubricants"

• Never reuse drained brake fluid.
• Be careful not to splash brake fluid on painted areas.

DISC BRAKE

JPEIC0029ZZ

SBR451D

SBR389C

SBR419C

MA-30

< ON-VEHICLE MAINTENANCE >

CHASSIS MAINTENANCE

DISC BRAKE : Inspection

INFOID:0000000001679261

DISC ROTOR

Check condition, wear, and damage.

CALIPER

• Check for leakage.

BRAKE PAD

• Check for wear or damage.

DISC BRAKE : Front Disc Brake

INFOID:0000000001766473

1 PISTON TYPE

Unit: mm (in)

4 PISTON TYPE

Unit: mm (in)

DISC BRAKE : Rear Disc Brake

INFOID:0000000001766474

1 PISTON TYPE

SMA922A

BRA0010D

Brake pad

Standard thickness

10.3 (0.406)

Wear limit thickness

2.0 (0.079)

Disc rotor

Standard thickness

32.0 (1.260)

Wear limit thickness

30.0 (1.181)

Thickness variation (measured at 8 positions)

0.015 (0.0006)

Runout limit (with it attached to the vehicle)

0.035 (0.0014)

Brake pad

Standard thickness

11.0 (0.433)

Wear limit thickness

2.0 (0.079)

Disc rotor

Standard thickness

32.0 (1.260)

Wear limit thickness

30.0 (1.181)

Thickness variation (measured at 8 positions)

0.015 (0.0006)

Runout limit (with it attached to the vehicle)

0.035 (0.0014)

CHASSIS MAINTENANCE

MA-31

< ON-VEHICLE MAINTENANCE >

Unit: mm (in)

2 PISTON TYPE

Unit: mm (in)

STEERING GEAR AND LINKAGE

STEERING GEAR AND LINKAGE : Inspection

INFOID:0000000001679264

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:0000000001679265

Check fluid level in reservoir tank with engine off.
Use “HOT” range at fluid temperatures of 50 to 80

C (122 to 176

or “COLD” range at fluid temperatures of 0 to 30

C (32 to 86

F).

CAUTION:

• Do not overfill.
• Recommended fluid is Genuine NISSAN PSF or equivalent.

Refer to

MA-10, "Fluids and Lubricants"

Brake pad

Standard thickness

8.5 (0.335)

Wear limit thickness

2.0 (0.079)

Disc rotor

Standard thickness

16.0 (0.631)

Wear limit thickness

15.0 (0.591)

Thickness variation (measured at 8 positions)

0.015 (0.0006)

Runout limit (with it attached to the vehicle)

0.055 (0.0022)

Brake pad

Standard thickness

8.5 (0.335)

Wear limit thickness

2.0 (0.079)

Disc rotor

Standard thickness

20.0 (0.787)

Wear limit thickness

18.0 (0.709)

Thickness variation (measured at 8 positions)

0.015 (0.0006)

Runout limit (with it attached to the vehicle)

0.055 (0.0022)

SLIA0014E

SST850C

MA-32

< ON-VEHICLE MAINTENANCE >

CHASSIS MAINTENANCE

• Check lines for improper attachment, leaks, cracks, damage,

loose connections, chafing and deterioration.

• Check rack boots for accumulation of power steering fluid.

AXLE AND SUSPENSION PARTS

AXLE AND SUSPENSION PARTS : Inspection

INFOID:0000000001679266

Check front and rear axle and suspension parts for excessive play,
cracks, wear or other damage.
• Shake each wheel to check for excessive play.
• Check wheel bearings for smooth operation.
• Check axle and suspension nuts and bolts for looseness.
• Check strut (shock absorber) for oil leakage or other damage.
• Check suspension ball joint for grease leakage and ball joint dust

cover for cracks or other damage.

SST851C

SMA525A

SFA392B

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