Infiniti G37 Coupe. Manual — part 1227
ST-8
< PREPARATION >
PREPARATION
PREPARATION
PREPARATION
Special Service Tools
INFOID:0000000001666217
The actual shapes of Kent-Moore tools may differ from those of special service tools illustrated here.
Tool number
(Kent-Moore No.)
Tool name
Description
ST27180001
(J-25726-A)
Steering wheel puller
Removing steering wheel
ST3127S000
(J-25765-A)
Preload gauge
Inspecting sliding torque, steering torque, and
rotating torque for ball joint
KV48103400
(
—
)
Preload adapter
Inspecting rotating torque
ST35300000
(
—
)
Drift
a: 45.1 mm (1.776 in) dia.
b: 59.0 mm (2.323 in) dia.
Installing oil pump oil seal (Except for 4WAS
models)
KV48103500
(J-26357)
Oil pressure gauge
Measuring oil pump relief pressure
KV48102500
(J-33914)
Oil pressure gauge adapter
Measuring oil pump relief pressure
S-NT544
ZZA0806D
ZZA0824D
ZZA0881D
S-NT547
S-NT542
PREPARATION
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Commercial Service Tools
INFOID:0000000001666218
Tool number
Tool name
Description
Power tool
Loosening bolts and nuts
PBIC0190E
ST-10
< ON-VEHICLE MAINTENANCE >
POWER STEERING FLUID
ON-VEHICLE MAINTENANCE
POWER STEERING FLUID
Inspection
INFOID:0000000001666219
FLUID LEVEL
1.
Check fluid level with engine stopped.
2.
Ensure that fluid level is between MIN and MAX.
3.
Fluid levels at HOT and COLD are different. Do not confuse
them.
CAUTION:
• The fluid level should not exceed the MAX line. Excessive fluid causes fluid leakage from the
cap.
• Never reuse drained power steering fluid.
FLUID LEAKAGE
• Check hydraulic connections for fluid leakage, cracks, damage,
looseness, or wear.
1.
Run engine until the fluid temperature reaches 50 to 80
°
C (122
to 176
°
F) in reservoir tank, and keep engine speed idle.
2.
Turn steering wheel several times from full left stop to full right
stop.
3.
Hold steering wheel at each lock position for five seconds and
carefully, check for fluid leakage.
CAUTION:
Never hold the steering wheel in a locked position for more
than 10 seconds. (There is the possibility that power steer-
ing oil pump assembly may be damaged.)
4.
If fluid leakage at connections is noticed, then loosen flare nut and then retighten. Do not overtighten con-
nector as this can damage O-ring, washer and connector.
5.
If fluid leakage from oil pump is noticed, check oil pump. Refer to
ST-43, "SPORT MODELS : Inspection"
(Sport models).
6.
Check steering gear boots for accumulation of fluid indicating from steering gear.
AIR BLEEDING HYDRAULIC SYSTEM
If air bleeding is not complete, the following symptoms can be observed.
• Bubbles are created in reservoir tank.
• Clicking noise can be heard from oil pump.
• Excessive buzzing in the oil pump.
NOTE:
Fluid noise may occur in the steering gear or oil pump. This does not affect performance or durability of the
system.
1.
Turn steering wheel several times from full left stop to full right stop with engine off.
CAUTION:
Fill reservoir tank with a sufficient amount of fluid so that fluid level is not below the MIN line while
turning steering wheel.
2.
Start engine and hold steering wheel at each lock position for 3 seconds at idle to check for fluid leakage.
HOT
: Fluid temperature 50 – 80
°
C (122 – 176
°
F)
COLD
: Fluid temperature 0 – 30
°
C (32 – 86
°
F)
Recommended fluid
: Refer to
.
Fluid capacity
: Refer to
.
PGIA0007J
SGIA0506E
POWER STEERING FLUID
ST-11
< ON-VEHICLE MAINTENANCE >
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3.
Repeat step 2 above several times at approximately 3 seconds intervals.
CAUTION:
Never hold the steering wheel in a locked position for more than 10 seconds. (There is the possi-
bility that oil pump may be damaged.)
4.
Check fluid for bubbles and while contamination.
5.
Stop engine if bubbles and white contamination do not drain out. Perform step 2 and 3 above after waiting
until bubbles and white contamination drain out.
6.
Stop the engine, and then check fluid level.
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