Geely Emgrand X7. Manual part — 117

2.6.8.11 Timing Chain Inspection

1. Refer to 2.6.8.9 “Replacement of

Timing Chain Shroud” to
dismantle the timing chain
shroud.

2. Refer to 2.6.8.10 "Replacement

of Timing Chain" to dismantle
the timing chain.

3. Inspect timing chain guide rail

component for cracking, wear
and tear.

4. If the timing chain guide rail

components surface wear is
deeper than 1 mm (0.04 in) then
replace the timing chain guide
rail components.

GC02-0040c

5. Inspect timing chain tensioner rail component for wear and tear.

6. If the timing chain guide rail components surface wear is deeper than 1 mm (0.04 in) then

replace the timing chain guide rail components.

7. Inspect the wear of the oil pump chain tensioning rail.

8. If the oil pump chain tension rail surface wear is deeper than 1 mm (0.04 in) then replace the

oil pump chain tension rail.

9. Inspect the wear of the timing chain and valve timing controller sprocket.

10. Inspect the exhaust camshaft timing sprocket teeth and the valve timing controller sprocket

teeth and chain for excessive wear, damage or stuck.

11. Inspect the crankshaft timing sprocket teeth and chain for excessive wear, broken, or stuck.

12. Inspect the crankshaft oil pump

sprocket teeth, oil pump sprocket
teeth and oil pump chain for
excessive wear, broken, or stuck
with the oil pump chain, etc.

13. Inspect the integrity of the timing

chain tightener component. If
damaged, replace the timing
chain tightener.

14. Inspect the integrity of the oil

pump chain tightener
components. If damaged, replace
the oil pump chain tightener
components.

GC02-0041c

15. Inspect timing chain lubrication nozzles. If necessary, dismantle the oil pump assembly.

Inspect the oil channel. Refer to 2.9.8.1 “Replacement of Oil Pump”.

467

2.6.8.12 Replacement of Camshaft

Dismantlement Procedure

1. Disconnect the battery negative electrode cable. Refer to 2.12.6.1 Battery Disconnection.

2. Dismantle the plastic shield of engine. Refer to 2.6.8.1 Replacement of Plastic Shield of

Engine.

3. Refer to 2.6.8.2 "Replacement of Cylinder Hood Cover" to dismantle the cylinder hood

cover.

4. Dismantle the drive belt. Refer to 2.6.8.3 Replacement of Drive Belt.

5. Refer to 2.6.8.9 "Replacement of Timing Chain Cover" to dismantle the timing chain cover.

6. Refer to 2.6.8.10 "Replacement of Timing Chain" to dismantle the timing chain.

7. Dismantle the intake camshaft

VVT actuator.

Note: Dismantle the camshaft VVT
actuator tightening bolt with a
wrench holding the camshaft.

GC02-0042c

8. Dismantle the exhaust camshaft

sprocket.

Note: Dismantle the camshaft
sprocket tightening bolts with a
wrench holding the camshaft.

GC02-0043c

468

9. As shown in the graphic,

gradually release the camshaft
bearing cap bolts, rotate half a
circle to a whole circle each time.

Special Precautions: Be careful when
dismantling the camshaft. Avoid
abrasions, scratches or damage to the
camshaft surface or bearing surface.

1

2

6

10

8

4

9

7

5

3

GC02-0044c

10. As shown in the graph, gradually

release the camshaft bearing cap
bolts, rotate half a circle to a
whole circle each time.

Special Precautions: Be careful when
dismantling the camshaft. Avoid
abrasions, scratches or damage to the
camshaft surface or bearing surface.

1

5

9

7

3

2

6

10

8

4

GC02-0045c

11. Dismantle the camshaft.

Important precaution : Camshaft
must be withdraw from the bearing in
order to avoid abrasions, scratches or
damage to the camshaft surface or
bearing surface.

12. Inspect for the camshaft and

bearing wear. If necessary,
replace.

GC02-0046c

469

Installation Procedure:

Precaution: be careful to install the camshaft. Avoid abrasions, scratches or damage to the
camshaft surface or bearing surface.

Special Precautions: Before installation,apply engine lubrication oil to the camshaft journal
and the seal contacting surface.

1. Apply a small amount of engine

oil to lubricate the journal and
camshaft cap.

2. Install the exhaust camshaft.

3. Install the intake camshaft.

4. Install the intake and exhaust

camshaft cover.

There are letters on the camshaft
cover. Avoid installation errors. For
example, "I ↑ 2" indicates that the
camshaft cover is the No.2 intake
camshaft cover. The arrow is toward
the direction of timing chain. E ↑ 2
indicates the No.2 exhaust camshaft
cover. The arrow is toward the
direction of timing chain.

GC02-0047c

5. Gradually tighten the camshaft

cover bolts according to the
sequence as shown in the graph.

Note: Tighten the bolts during
several stages. Do not tighten at once
which may damage the camshaft and
the camshaft cover.

Torque :M6 bolt

13±1 Nm (Metric) 10±0.74 lb-ft
(English system)

M8 Bolt

30±1 Nm (Metric) 22 . 1±0 . 74 lb-ft
(English system)

10

6

2

4

8

9

5

1

3

7

GC02-0048c

470