(e) If there is any foam or emulsification phenomenon, it is necessary to exhaust air in power steering

system.

(f) Keep the engine at idling speed, and measure the oil

level of oil storage tank.

(g) Engine extinguishes.

(h) After waiting for several minutes, measure the oil level

of oil storage tank again.

Maximal increased height of oil level: 5mm

If finding any problem, it is necessary to exhaust

the air in power steering system.

(i) Check the oil level.

4. Check steering oil pressure.

(a) Disassemble oil pressure supply pipe from power steering gear. (referring to page 205)

(b) Connect special tool liking that shown in figure.

Note: when checking, the valve of special tool should be opened.

(c) Exhaust the air in power steering system.

(d) Start the engine, and keep it at idling speed.

(e) Turn steering wheel from left bottom to right bottom for several times to make oil temperature

Power steering--Poser steering system

increase.

Oil temperature: 80°C

(f) Keep the engine at idling speed, and close the valve of

special tool, then observe the reading of special tool.

Minimal oil pressure: 6400kPa

Note:

y

The closing time of oil pressure meter valve could not

Accessory

 Power steering
gear

In

Out

Accessory

Oil pressure supply pipe

Power

steering

gear

Close

Pump

Oil tank

Special tool

¡Ü

¡Ü

¡Ü

¡Ü

¡Ü

5mm

Special tool

 201 

Power steering--Power steering system

exceed 10 seconds.

y

Do not make oil temperature become too high.

(g) When engine is running at idling speed, open the valve

completely.

(h) Measure the 1.000 rpm and 3.000 rpm oil pressure of

engine.

Oil pressure difference: 490 kPa or less

Note: do not turn the steering wheel.

(i) When engine is running at idling speed, open the valve

completely, and turn the steering wheel to bottom.

Minimal oil pressure: 6,400kPa

Note:

y

Do not keep the wheel locate at bottom for over 10

seconds.

y

Do not make oil temperature become too high.

(j) Disassemble the special tool.

(k) Connect oil pressure supply pipe with power steering gear

(referring to page 205)

(l) Exhaust the air in power steering system.

5. Check the steering force

(a) Put the steering wheel at central position.

(b) Disassemble safety airbag assembly at the side of driver.

(c) Start engine, and make it run at idling speed.

(d) Measure the steering force of two directions.

Steering force (reference): 5.5 N

xxxxx

m

Hint: before diagnosing, it is necessary to consider

the tyre type, tyre pressure and contacting sur-

face at first.

(e) Tighten fixed screw cap of steering wheel.

Torque: 50 ± 5 N

xxxxx

m

(f) Assemble the safety airbag assembly at the side of driver.

Power

steer-

ing

gear

Open

Pump

Oil tank

Open

Pump

Oil tank

Power

steering

gear

Turn the steering wheel
to the bottom position

Special tool

Special tool

 202 

Power steering--Power steering oil pump assembly

Power steering oil pump assembly

Overhaul

1. Disassemble front wheel

2. Disassemble right bottom defender board [68000004]

3. Disassemble driving belt.

4. Disassemble oil storage tank to the No. 1 oil pipe

of power steering pump

Disassemble fixed clamp, and take down the oil storage tank

to the No. 1 oil pipe of power steering pump.

5. Disassemble in-out oil pipe assembly of power

steering gear [64000131]

(a) Use special tool to disassemble in-out oil pipe assembly.

(b) Disassemble the bolts and disconnect the fixed clamp of

in-out oil pipe.

6. Disassemble rear bracket of power steering pump

Disassemble the bolt and rear bracket of power steering pump.

7. Disassemble power steering oil pump assembly

[64000132]

(a) Disconnect the joint of oil pressure switch.

(b) Disassemble two bolts, two screw caps, then take down

the power steering oil pump assembly.

8. Assembly power steering oil pump assembly

(a) Assemble power steering oil pump assembly with two

bolts and two screw caps.

Torque: 37 N

xxxxx

m

(b) Connect the joint of oil pressure switch.

Note: the joint could not contact any oil.

9. Assemble the rear bracket of power steering oil pump assembly

Assemble rear bracket of power steering oil pump assembly with bolts.

Torque: 37 N

xxxxx

m

Hint: Insure the stop lever of bracket has contacted the body of power steering pump, then

tighten the bolt.

 203 

Special tool

10. Connect the in-out oil pipe assembly of power

steering gear [64000131]

(a) Assemble fixed clamp of in-out oil pipe with bolt.

Torque: 7.8 N

x

m

(b) Connect in-out oil pipe with special tool.

Torque: 41 Nz

x

m

Hint:

z

Use torque wrench whose lever length is 345 mm.

z

Special tool should be parallel with torque wrench,

only this could make practical torque value.

11. Connect the N0. 1 oil pipe of oil storage tank to power steering oil pump assembly.

Connect oil pipe with fixed clamp.

12. Assemble driving belt.

13. Assemble front wheel.

Torque: 103 

±

 10 N

xxxxx

m

14. Add power steering oil.

15. Exhaust the air in power steering system.

16. Check whether there is any oil leakage.

17. Assemble right bottom defender board of engine [68000004].

Power steering--Power steering oil pump assembly

Special
tool

¸Ü

¸Ü

¸Ü

¸Ü

¸Ü

¸Ë

¸Ë

¸Ë

¸Ë

¸Ë

³¤

³¤

³¤

³¤

³¤

¶È

¶È

¶È

¶È

¶È

 204