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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