Toyota FJ Cruiser (GSJ 10, 15 series). Instruction - part 363

 

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Toyota FJ Cruiser (GSJ 10, 15 series). Instruction - part 363

 

 

POWER STEERING  –  POWER STEERING SYSTEM

PS–3

PS

(e) Start the engine.

(1) Run the engine at idle for a few minutes.

(f)

Turn the steering wheel.
(1) With the engine idling, turn the wheel to the left 

or right full lock position and keep it there for 2 
to 3 seconds. Then turn the wheel to the 
opposite full lock position and keep it there for 2 
to 3 seconds (step A).

(2) Repeat step A several times.

(g) Stop the engine.

(h) Check for foaming or emulsification.

Especially, if the system has to be bled twice 
because of foaming or emulsification, check for fluid 
leakage in the system.

(i)

Check the fluid level.

3.

INSPECT FLUID LEVEL
(a) Keep the vehicle level.
(b) With the engine stopped, check the fluid level in the 

oil reservoir.
If necessary, add fluid.
Fluid:

ATF "DEXRON" II or III

HINT:
Check that the fluid level is within the HOT level 
range in the reservoir tank. If the fluid is cold, check 
that it is within the COLD level range.

(c) Start the engine and let it idle.
(d) Turn the steering wheel from lock to lock several 

times to raise fluid temperature.
Fluid temperature:

75 to 80

°C (167 to 176°F)

(e) Check for foaming or emulsification.

If any foaming or emulsification is identified, bleed 
the power steering system.

Normal

Abnormal

C133819E01

C133820

Normal

Abnormal

C133819E01

PS–4

POWER STEERING  –  POWER STEERING SYSTEM

PS

(f)

With the engine idling, measure the fluid level in the 
oil reservoir.

(g) Stop the engine.
(h) Wait a few minutes and measure the fluid level in 

the oil reservoir again.
Maximum fluid level rise:

5 mm (0.20 in.)

If any problems are found, bleed the power steering 
system again.

(i)

Check the fluid level.

4.

INSPECT STEERING FLUID PRESSURE
(a) Disconnect the pressure feed tube from the vane 

pump (See page 

PS-8

).

(b) Connect SST as shown in the illustration.

SST

09640-10010 (09641-01010, 09641-01030, 
09641-01060)

NOTICE:
Check that the valve of SST is in the open 
position.

(c) Bleed the power steering system.
(d) Start the engine and let it idle.
(e) Turn the steering wheel from lock to lock several 

times to raise the fluid temperature.
Fluid temperature:

75 to 80 

°C (167 to 176 °F)

Engine ldling

Engine Stopped

5 mm (0.20 in.) 
or less

C133821E01

Attachment

Pressure Feed Tube

IN

OUT

SST

Attachment

F043676E02

POWER STEERING  –  POWER STEERING SYSTEM

PS–5

PS

(f)

With the engine idling, close the valve of SST and 
check the reading on SST.
Fluid pressure:

8,300 to 8,800 kPa (85 to 90 kgf/cm

2

, 1,209 to 

1,280 psi)

NOTICE:

Do not keep the valve closed for more than 10 
seconds.

Do not let the fluid temperature become too 
high.

(g) With the engine idling, fully open the valve.
(h) Measure the fluid pressure at the engine speeds of 

1,000 rpm and 3,000 rpm.
Fluid pressure difference:

490 kPa (5 kgf/cm

2

, 71 psi) or less

NOTICE:
Do not turn the steering wheel.

(i)

With the engine idling and valve fully open, turn the 
steering wheel to the full lock position.
Fluid pressure:

8,300 to 8,800 kPa (85 to 90 kgf/cm

2

, 1,209 to 

1,280 psi)

NOTICE:

Do not keep the steering wheel in the full lock 
position for more than 10 seconds.

Do not let the fluid temperature become too 
high.

(j)

Disconnect SST.

(k) Connect the pressure feed tube to the vane pump 

(See page 

PS-14

).

(l)

Bleed the power steering system.

5.

INSPECT STEERING EFFORT
(a) Center the steering wheel assembly.
(b) Remove the steering pad (See page 

RS-345

).

(c) Start the engine and let it idle.
(d) Measure the steering effort in both directions.

Steering effort (Reference):

6.0 N*m (60 kgf*cm, 53 in.*lbf) or less

HINT:
Check the tire type, pressure and contact surfaces 
before making a diagnosis.

(e) Install the steering wheel assembly set nut.

Torque: 50 N*m (510 kgf*cm, 37 ft.*lbf)

(f)

Install the steering pad (

RS-346

).

PS Gear

Closed

Oil

Reservoir

SST

PS Vane

Pump

Z015498E06

PS Gear

Oil
Reservoir

PS Vane
Pump

Open

SST

Z015499E04

Oil
Reservoir

PS Vane
Pump

SST

Open

Lock Position

PS Gear

Z015500E04

C135459

PS–6

POWER STEERING  –  VANE PUMP

PS

STEERING

POWER STEERING

VANE PUMP

COMPONENTS

FAN AND GENERATOR V BELT

PRESSURE FEED TUBE ASSEMBLY

VANE PUMP

WIRE HARNESS 
CLAMP

OIL PRESSURE SWITCH CONNECTOR

N*m (kgf*cm, ft*lbf)  : Specified torque

Non-reusable part

51 (520, 38)

GASKET

43 (438, 32)

8.0 (82, 71 in.*lbf)

NO. 1 OIL RESERVOIR 
TO PUMP HOSE

C133830E01

 

 

 

 

 

 

 

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