Geely Emgrand X7. Manual part — 150

2.9.7.5 Engine Oil Leak Diagnostic

Once a vehicle engine oil leak occurs, the following conditions must be inspected:

2

Inspect whether the engine oil pressure is too high.

3

Inspect whether the engine ventilation system is blocked or malfunction.

4

Inspect whether the fasteners are not fastened properly or damaged.

5

Inspect whether the related components have gaps or pores.

6

Inspect whether the sealing surface is worn. Inspect whether the sealing gasket is
installed properly.

7

Confirm that the fault has been fixed.

1

Inspect for the high level of the oil.

Yes

Replace the damaged components, tighten
the torques again as required.

No

Yes

Repair the faulty parts.

No

Yes

Repair the faulty parts.

No

Yes

Repair the faulty parts.

No

Yes

Inspect the engine oil filter or the pressure
bypass valve is blocked or faults.

No

Yes

Discharge engine oil to the specified level.

No

599

2.9.8 Removal and installation

2.9.8.1 Replacement of Engine Oil Pump and Strainer

1. Disconnect the battery negative

electrode cable. Refer to 2.12.6.1
Battery Disconnection.

2. Dismantle the timing chain

component, refer to the 2.6.8.10
Replacement of Timing Chain
Component.

3. Dismantle oil pan. Refer to oil

pan replacement

3. Dismantle the fixing bolts of oil

pump.

3. Remove the oil pump and

collective filter subassembly
(including the oil pump gasket)
from the crankcase.

FC02-0108c

4.

Separate the oil pump
components, the oil strainer
components and the gaskets of
oil strainer.

FC02-0109c

Installation Procedure:

1. The collective filter must be

cleaned before installation.

2. Clean the crankcase oil pump

installation surface.

3. Assembly the oil pump

components, the oil strainer
components and the gaskets of
oil pump.

4. Install the oil pump gasket.

FC02-0109c

600

5. Install the oil pump components

and the filter components on the
crankcase and tighten the fixing
bolts of oil pump.

Torque :17～21N . m(Metric) . 12～
15b-ft(English system)

6. Install negative cable of battery.

FC02-0108c

601

2.9.8.2 Oil Pump Cleaning and Inspection

Decomposed cleaning steps:

1. Oil Pump Pressure Limiting Valve Inspection:

A. Dismantle the pressure limiting

valve plug screw, and dismantle
the springs and the plunger
piston.

B. Inspect whether the surface of

slide valve is worn. whether the
plunger piston wall is worn.
Whether the plunger piston and
the inner hole clearance is
normal.

C. Apply lubrication oil to the

plunger piston, and install the
plunger piston and spring, and
then install the pressure limiting
valve bolts.

2. Clean oil pump housing and

internal parts.

FC02-0110c

Inspection Procedure:

A. Inspect all oil pump parts for

worn and torn.

B. Apply clean engine oil to all oil

pump parts.

Precautions:

A: Apply lubrication grease to the oil
pump gear chamber in order to
ensure initial oil pump lubrication.

When :install engine oil pump gea .
shall aim at reference position .

FC02-0111c

602