Geely Emgrand X7. Manual part — 418

7.3.5 Diagnostic information and procedures

7.3.5.1 Diagnosis descriptions

Refer to 7.3.2 Description and operation, get familiar with the system functions and operation before starting
system diagnosis, so that it will help to determine the correct diagnostic steps, more importantly, it will also help
to determine whether the situation described by the customer is normal.

7.3.5.2 Visual inspection

Before repairing, firstly confirm the customer fault. Inspect whether the tire pressure is normal, whether there is
obvious mechanical or electrical damage, whether the tightening bolt on the mechanical steering column assembly
shaft movable coupling head is loose and whether the fixing bolt on the mechanical steering column assembly
mounting bracket is loose.

7.3.5.3 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 ascending numerical order and check each component in order.
Repair or replace these components if necessary.

Symptoms Suspected

parts

Measures / referance

1.

Fixing nut of steering wheel(loosed
/damaged)

Refer to 7.3.6.3 Replacement of
steering wheel to fasten or replace
the nut.

2.

Mechanical steering column assembly
system connecting bolt (loosed
/damaged)

Refer to 11.3.8.12 Replacement of
mechanical steering column
Assembly to fasten or replace the
bolt.

3.

Upper and lower middle shaft
universal joint (abrasion)

Replace upper and lower
intermediate shaft assemblies.

4.

Steering wheel spline housing (worn)

Replace steering wheel, refer
to7.3.6.3 steering wheel
replacement.

5.

Steering column spline shaft (wear)

Replace steering column, refer
to11.3.8.12 machinery steering
column assembly replacement.

6.

Upper and lower intermediate shaft
spline housing/shaft (wear)

Replace upper and lower
intermediate shafts.

Steering wheel loosed

7.

Power steering gear and tie rod
assembly

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 tie rod.

1.

Mounting bolt of mechanical steering
column (loosed /damaged)

Refer to 11.3.8.12 replacement of
mechanical steering column
Assembly to fasten or replace.

2.

Mounting support (damaged) of
mechanical steering pipe column
assembly.

Replace instrument desk bracket,
refer to12.8.3.4 cross beam of
instrument panel replacement.

Mechanical steering column
Assembly loose

3.

Mechanical steering column assembly
(damaged )

Refer to 11.3.8.12 Replacement of
mechanical steering column
Assembly to replace mechanical
steering column assembly.

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1.

Mounting bolt of mechanical steering
column assembly (loosed /damaged)

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

2. Airbag

clock

spring (loosed

/damaged)

Refer to 9.2.7.3 replacement of
clock spring to reinstall or replace
the clock spring.

3． Connecting bolt of the mechanical

steering column assembly system
(loose/damaged)

Refer to 11.3.8.12 mechanical
steering column assembly to fasten
or replace the bolt.

Assembly Replacement.

4. Shaft/bearing

of

mechanical

steering

column assembly (damage)

Refer to 11.3.8.12 replacement of
mechanical steering column
assembly to replace mechanical
steering column assembly.

Mechanical steering column
assembly noise

5.

Upper and lower intermediate shaft
universal joint (Lack
lubrication/worn )

Apply lubricating grease or replace
the upper and lower intermediate
shafts.

1.

Inclined lock block of steering
column (stuck)

Clean up impurities, derust the
lubrication locking block or replace
the steering column. Refer to
11.3.8.12 replacement of
mechanical steering column
Assembly.

2.

Steering pipe column inclination
angle adjusting handle (loose/
damage)

Refer to 11.3.8.12 Replacement of
mechanical steering column
assembly to fasten the fixing nut or
replace the handle.

3.

Steering pipe column tilting spring
(soft/ damage)

Refer to 11.3.8.12 Replacement of
mechanical steering column
Assembly to reinstall or replace the
spring.

The regulating function of
the dip angle of the steering
column is abnormal.

4.

Tilting pivot of mechanical steering
pipe assembly (rusting/ damage)

For derusting and lubrication or
replacement of mechanical steering
column assembly, see 11.3.8.12
replacement of mechanical steering
column assembly.

1.

Ignition switch install bolt(loosed
/damaged)

Fasten or replace the mounting bolt.

2.

Ignition switch lock (stuck/damaged)

Derust and lubricate or replace the
ignition switch.

3.

Ignition switch lock pin ( broken
/damaged )

Replace ignition switch.

The mechanical steering
column assembly is
difficultly locked/unlock.

4.

Inner shaft of mechanical steering
column assembly (damage)

Refer to 11.3.8.12 replacement of
mechanical steering column
assembly to replace mechanical
steering column assembly.

1. Ignition

switch

lock(clip-on/damaged )

Derust and lubricate or replace the
ignition switch.

The mechanical steering
column assembly is
difficultly unlocked/ unable
to unlock.

2.

Ignition key (worn /damaged)

Replace ignition switch.

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7.3.6 Dismantle and installation

7.3.6.1 Steering wheel free clearance inspection

1.

Park the automobile, and the front wheels are towards the front.

Notes:

The free clearance of the vehicle is unable to adjust.
Replace the power steering gear assembly with tie rod
in the case of normal upper and lower intermediate
shaft universal joint.

2.

During rotation, feel whether there is gap
between upper and lower shafts, if yes, replace
upper, and lower middle shafts.

Max. free clearance:30 mm (1.18 in)

NL07-0038b

7.3.6.2 Upper/lower intermediate shaft universal joint inspection

1.

Fix one end of upper, lower middle shaft
universal joint, to rotate the other end of upper,
lower middle shaft universal joint in clockwise
and counterclockwise.

2.

Whether there is any movement, if yes, it is
necessary to replace upper, lower middle shaft.

NL07-0039b

Max.free clearance

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7.3.6.3 Steering wheel replacement

Dismantlement Procedure

Warning!

Warning: Refer to Warning for battery disconnection in warnings and precautions.

Notes:

Prior to operation, the front wheel must be positioned right ahead and the steering wheel must be locked.

1.

Dismantle battery negative cable , refer to
2.11.8.1 Disconnect connecting process of
battery cable

2.

Dismantling of driver's side safety airbag, refer to
Replacement of driver's side safety airbag.

NL07-0036b

3.

Dismantle fixing nut of steering wheel.

4.

Pull out steering wheel.

Installation procedure:

1.

Make the front wheel point to right front, and
install steering wheel.

2.

Tighten fixing nut of steering wheel.

Torque: 40 Nm (Metric) 29.6 lb-ft (English system)

3.

Install the driver's side airbag.

4.

Connect the battery negative cable.

NL07-0036b

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