Chery SQR 7160 sedan. Manual - part 20

Usage, repair and maintenance specification of CAC gasoline engine 

The removal and installation of oil collector assembly 

 

removal： 
——Loosen locknut of oil collector assembly and 

take out the nut and flat washer 
——Loosen carrier bolts and take out the bolts。 
——Loosen flange face bolt of oil collector (two ) 

and take out the two bolts with spring washers 

 

 

 

Fig. 76 

 

sealing plate- filter

 

Z direction 

Fig. 78 

Fig. 77 

flat washer

 

tightening torque

 17.0-23.0Nm

 

screw M8

 

screw M6×20

 

oil collector

Tightening torque 8.0-12.0Nm

with spring plate screws(2)

 

 

 

Installation： 
——Install a new sealing gasket of oil collector 

on the flange face of oil pump and then install oil 

collector assembly. Screw two bolts with gasket 

by hand. 

 
— — Screw the oil collector carrier into the 

cylinder body with M8 bolt. At the same time, 

hitch the carrier into the stud which is in the left 

of the second bearing cap. Install the flat washer 

and screw in the nut by hand. 

 
——Tighten the flange face bolt of oil collector 

to 8.0—12.0Nm. 

 
——Tighten carrier bolt to 17—23Nm 

 
——Tighten the locknut to 17—23Nm 

 

44

Usage, repair and maintenance specification of CAC gasoline engine 

4. The removal and installation of oil pump with oil seal 

assembly 

Fig. 82 

Fig. 81 

Fig. 80

Fig. 79 

 

removal： 
——Loosen six M6×30 hexagonal flange surface bolts. 

Remove the bolts (as the figure indicates ) 
——Remove oil pump with oil seal assembly 

 

 

 

 

 

 
— — Pry out the front oil seal of crankshaft by 

screwdriver or chisel. Note: Don’t damage the front oil 

seal bore. 

 

 

 

 

 

 

 

 
——Remove seven M6 countersunk head screws (as the 

arrow in figure indicates ) 
——Remove oil pump cover 

 

 

 

 

 

 

 
——Take out the inner and outer rotor 

 

45

Usage, repair and maintenance specification of CAC gasoline engine 

——Check the clearance between outer rotor of oil pump 

and case bore of oil pump.   

Fig. 86 

Fig. 85 

Fig. 84 

Fig. 83 

The clearance between outer rotor of oil pump and 

case bore of oil pump should be 0.06—0.19mm. 

 

 

 

 

 

 

 

 

 
——Check the radial clearance between inner rotor and 

outer rotor of oil pump. 

    The radial clearance between inner rotor and outer 

rotor of oil pump should be 0.05—0.18mm. 

 

 

 

 

 

 

 

 
——Check the end play of rotor 

        The end play of rotor should be 0.014—0.100mm. 

 

 

 
——Remove horizontal hexagonal socket head plug (small 

one) 
——Take out the spring of relief valve and plunger of relief 

valve. 
——Check the spring load and free length 

    spring free length is 46mm。 

    spring load is 32.8N±2N when the length is 29mm. 

        installation length of relief valve spring is 38.5mm. 

 

 

 

46

CAC Gasoline Engine Maintenance And Servicing Manual 

3 

 
 
 

ANHUI CHERY AUTOMOBILE CO., LTD 

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 

CAC478/480 GASOLINE ENGINE     

                                    Instruction Book on Using and Maintenance 

 
 
 
 
 
 
 
 
 
 
 
 

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