Engine 2.0 (Chery Fora, A21). Manual — part 5

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MECHANISM OF 2.0NALC ENGINE

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II. MAINTENANCE

2.1

Replace intake manifold, delivery pipe
and oil injector

2.1.1

Needed tools and auxiliary materials

Ratchet wheel, ratchet rod, 10# sleeve and
crosshead screwdriver

2.1.2

Process of removal

1)

Put the ignition key at the OFF position.

2)

Loosen the plug of oil injector.

3)

Remove the connecting bolt between
engine oil dipstick and intake manifold.

4)

Remove the clamp between intake hose
and throttle valve body.

5)

Remove the connecting bolt of throttle
valve body, and take out throttle valve
body.

Note: Because this throttle valve body is
electronic, do not force the middle vanes
turning manually or with other objects.

6)

Loosen the joint of oil intake pipe.

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7)

Remove the fastening nut of intake
manifold and take out the intake
manifold.

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2.1.3

Installation steps

The installing steps are reverse to those for
removal.

2.2

Replace camshaft, bearing bushings,
valve and valve oil seal.

2.2.1

Needed tools and auxiliary materials

Special tools for valve oil seal, engine
transmission oil, a set of sleeve tools, an
adjustable spanner, special tools for timing
and a set of Allen wrenches

2.2.2

Removal

1)

Remove the dynamo belt (see “removal
of dynamo belt” for details).

2)

Remove the timing belt (see
“replacement of engine timing belt and
timing calibration” for details).

3)

Remove the cover of engine valve
chamber.

4) Clamp the timing special tool into

camshaft slot and fasten the bolt.

Camshaft Tool

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5) Dismantle the belt pulley of air intake

and exhaust camshafts with torque
wrench.

6) Remove the back cover of timing belt.

7) Dismantle the bearing caps of air intake

and exhaust camshaft respectively and
put them down in the sequence.

Note: The second, third, fourth and fifth
camshaft bearing caps are marked with I1, I2,
I3, I4 (E1, E2, E3, E4), which stands for the
corresponding bearing cap of 1, 2, 3, 4
cylinder respectively. (“I” refers to intake
camshaft, “E” refers to exhaust camshaft).

Torque: