Geely Emgrand X7. Manual part — 410

Geely Emgrand X7. Manual part - 410


7.2.7.3 Fault symptom table

Help to determine the cause of the fault and part in the diagnostic process with reference to the following table.
Display the possible malfunction causes in the descending numerical order and check each component in order.
Repair or replace these components if necessary.

Symptoms

Suspected Parts

Measures / Refer to

1.

Tire(Charging is inadequate or tire
damaged)

For aeration or replacement of the tires, see 4.4
eheels and tires.

2.

Power steering liquid level (lower).

Refer to 7.2.8.2 inspection of power steering oil
level to add steering fluid.

3.

Drive belt (loosed)

Refer to 7.2.8.1 inspection of transmission belt
to pre-tighten or replace the transmission belt.

4.

Front wheel alignment (incorrect)

Adjust front wheel alignment. Refer to 4.4.3.1
wheel alignment.

5.

Power steering gear tie rod ball
(wear)

Replace tie rod ball head, refer to7.2.8.11
replace steering tie rod and ball head.

6.

Lower swing arm ball end (wear)

Replace lower swing alarm ball head, refer
to4.2.7.7 lower swing alarm ball head assembly
replacement.

7.

Front shock absorber upper support
seat assembly(worn)

Refer to 4.2.7.4 replacement of front damper
part and spring to replace the front damper
upper support assembly.

8.

Steering column inner shaft ( stuck )

Refer to 11.3.8.12 replacement of mechanical
steering column assembly to repair or replace
the steering column.

9.

Universal joint between the upper
and lower intermediate shaft
assemblies (wear and rusting)

Lubricate or replace the intermediate shaft of the
mechanical steering column assembly.

10. Power steering pumps assembly

(Inner decompression or plug. Pump
blade damaged)

Refer to 7.2.8.10 replacement of power steering
pump assembly to replace the power steering
pump assembly.

11. Power steering gear (Inner

decompression. Control vale or rake
clamping stagnation or damaged )

Refer to 7.2.8.13 replacement of power steering
gear assembly with tie rod to replace the power
steering gear.

It is difficult to

steer.

12. Air resistance occurred in the power

steering hydraulic system

Refer to 7.2.8.7 air exhaust procedure of power
steering system to exhaust air in the steering
system.

1.

Tire(Charging is inadequate)

For aeration or replacement of the tires, see 4.4
wheels and tires.

2.

Front wheel alignment (incorrect)

Adjust front wheel alignment. Refer to 4.4.3.1
wheel alignment.

3.

Lower swing arm ball head (seize)

Refer to 4.2.7.7 replacement of lower swing arm
ball head assembly to repair or replace the lower
swing arm ball head.

Poor Steering

Wheel Return

4.

Universal joint between upper and
lower counter shaft assemblies
(rusted and jammed)

Lubricate or replace upper and lower
intermediate shaft assemblies.

1639


5.

Steering column inner shaft ( stuck )

Refer to 11.3.8.12 replacement of mechanical
steering column assembly to repair and lubricate
or replace the steering column.

6.

Power steering gear (control valve
jammed or gear rack bearing over
pre-tensioned and jammed)

Wash the steering hydraulic system or repair
and replace the power steering gear. Refer to
7.2.8.13 replacement of power steering gear
assembly with tie rod.

7.

Front shock absorber top bearing
seat assembly (wear)

Refer to 4.2.7.4.replacement of front damper
part and spring to replace the front damper
upper support assembly.

1.

Steering gear tie rod (loosening)

Refer to 7.2.8.11 replacement of steering tie rod
and bulb to fasten or replace the steering tie rod.

2.

Lower swing arm ball head (abrasion
or loosening)

Replace lower swing alarm ball head , refer
to4.2.7.7 lower swing alarm ball head assembly
replacement .

3.

Front wheel bearing (worn or
loosed )

Refer to 4.2.7.9 replacement of front hub to
replace the front wheel bearing.

Steering system

stroke is too big

4.

Power steering gear steering tie rod
assembly (loosening of fixing bolt)

Refer to 7.2.8.13 replacement of power steering
gear assembly with tie rod to fasten the fixing
bolt.

1.

Power steering liquid level (low)

Refer to 7.2.8.2 inspection of power steering oil
level to add steering fluid.

2.

Steering pipe column (inner shaft,
bearing is loose)

Refer to 11.3.8.12 replacement of mechanical
steering column assembly to repair or replace
the steering column.

3.

Universal joint of upper and lower
intermediate shaft assembly (loosed )

Fasten or replace upper and lower intermediate
shaft assemblies.

4.

Power steering gear steering tie rod
assembly (loosening of fixing bolt)

Refer to 7.2.8.13 replacement of power steering
gear assembly with tie rod to fasten the fixing
nut.

5.

Steering gear tie rod (loosening)

Refer to 7.2.8.11 replacement of steering tie rod
and ball head to fasten the fixing nut or replace
the tie rod ball head.

6.

power steering gear ( preloading
force of rack bearing is too loose)

Refer to 7.2.8.13 replacement of power steering
gear assembly with tie rod to replace the power
steering gear.

Noise

7.

Power steering pump assembly(flow
control valve or pump blade
damaged )

Refer to 7.2.8.10 replacement of power steering
pump assembly to replace the power steering
pump assembly.

8.

Front wheel bearing (loosening)

Refer to 4.2.7.9 replacement of front hub to
replace the front wheel bearing.

1.

Power steering system(Included air )

Refer to 7.2.8.7 air exhaust procedure of power
steering system to exhaust air in the steering
system.

2.

Connection between upper, lower
middle shaft assembly and power
steering wheel tie rod assembly
(loose)

Fasten the connecting nut.

The steering

wheel rebounds

too large or

steering gear is

too relax.

3.

Steering tie rod ball head(loosed )

Refer to 7.2.8.11 replacement of steering tie rod

1640


and bulb to fasten or replace the steering tie rod
ball head.

4.

Front wheel bearing (abrasion)

Refer to 4.2.7.9 replacement of front hub to
replace the front wheel bearing.

5.

Power steering gear (Inside loosed )

Refer to 7.2.8.13 replacement of power steering
gear assembly with tie rod to repair or replace
the power steering gear assembly with the
steering tie rod.

1.

Frongt wheel alignment (incorrect)

Adjust front wheel alignment. Refer to 4.4.5.2
front wheel toe-in adjustment.

2.

Front suspension ( location
incorrect )

Adjust and fasten front suspension part. Refer to
4.2 front suspensions.

3.

Wheel and tire ( unbalance )

Dynamic balance of tire or replacement of tire
and rim refer to 4.4 wheel and tire.

4.

Front wheel bearing (wear and
loose)

Refer to 4.2.7.9 replacement of front hub to
replace the front wheel bearing.

5.

Damping spring (breakage or fatigue
and weakening)

Refer to 4.2.7.4 replacement of front damper
part and spring to replace the damping spring.

6.

Front post (loosed and damaged )

Refer to 4.2.7.3 replacement of front support
assembly to fasten or replace the front support.

7.

Brake system (loosed or work is
abnormal )

Refer to 6 brake system to repair the brake
system.

Drifting or

Steering

Instability

8.

Rear suspension (inaccurate
alignment or loosening)

Adjust and fasten rear suspension part. Refer to
4.3 rear suspension.

1.

Front suspension (Kingpin
longitudinal inclination is even and
incorrect)

Inspect and adjust the front suspension
positioning. Refer to 4.2 front suspensions.

2.

Lower swing arm (loose)

Refer to 4.2.7.2 replacement of lower swing arm
lining to fasten or replace the lower swing
lining.

3.

Brake disc( deformation )

Replace brake disc, refer to6.2.5.3 replace brake
disc.

4.

Damping spring (breakage or fatigue
and weakening)

Refer to 4.2.7.4 replacement of front damper
part and spring to replace the damping spring.

5.

Front or rear wheel bearing (Wear
loosed)

Refer to 4.2.7.9 replacement of front hub and
4.3.7.10 replacement of rear hub unit to replace
the front or rear wheel bearing.

Unstable steering

during brake

6.

Brake system ( Brake force is not
even and correct)

Refer to 6 brake system to repair the brake
system.

1641


7.2.8 Dismantle and installation

7.2.8.1 Drive belt inspection

1.

Check whether pretensioning of drive belt is
normal. Refer to the inspection of drive belt.

2.

Check whether drive belt has excessive abrasion,
and curtain line breakage, etc.

3.

If any defect of drive belt is found, replace drive
belt.

Notes:

At the side of the transmission belt with rib, a slight
crack is to be acceptable. If the transmission belt
cracks from the rib or the shoulder are missing, if
necessary, replace it.

NL07-0001b

7.2.8.2 Power steering oil fluid lever inspection

1.

Place vehicle on horizontal position.

2. When engine stops, inspect oil level in oil
reservoir. Add fluid into the oil pan if necessary. The
temperature of the pre-heated oil is 75-80℃ (167-176
ºF). The liquid level shall be located between the
marks HOT MAX and HOT MIN. The temperature of
the cooled oil is 20℃ - 25℃ (68 -77ºF). The liquid
level shall be located between the marks COLD MAX
and COLD MIN.

Notes:

Note: be sure to correctly use oil.

NL07-0002b

3.

Preheat power steering oil, start engine to make it
run at idle speed.

4.

Turn steering wheel from left bottom to right
bottom for several times to make oil temperature
increase. Oil temperature preheat to: 75 -
80℃(167 - 176 ºF).

5.

Check the braking fluid for bubbling or
emulsification. In case of bubbling or
emulsification, you need to purge air from the
power steering system. See 7.2.8.7 Power
Steering System Air Purging Procedures.

6.

Check the oil level in the oil pan when the engine
runs in the idle mode.

7. Stop

the

engine.

NL07-0003b

Normal

Abnormal

1642

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Политика конфиденциальности