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

CHERY A21 SERVICE MANUAL

         

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. 

 

 

 

 

 

CHERY A21 SERVICE MANUAL

         

MECHANISM OF 2.0NALC ENGINE 

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7)

 

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

 

CHERY A21 SERVICE MANUAL

         

MECHANISM OF 2.0NALC ENGINE 

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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 

 

CHERY A21 SERVICE MANUAL

         

MECHANISM OF 2.0NALC ENGINE 

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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: