Chery A21 2005, Service Manual, Page: 61 / 475

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7.3 Check
1) Check the oil clearance of crankshaft
main journal.
a) Clean the journal and bearing bushing.
b) Installation of crankshaft
c) Cut the plastic gauge to make it have the
same length with that of the bearing, and
then put it onto the crankshaft journal to
make it parallel with the central line of
shaft.
d) Install the master bearing cap carefully,
and fasten the bolts to specified torque.
e) Dismantle the master bearing cap
carefully.
f) Use the measuring rule on the packaging
bag of plastic gauge to measure the
width of the widest portion of flattened
plastic wire, and get the clearance value.
Standard value
Limit
value
Clearance 0.022 0.058
If the clearance value exceeds the limit value,
please replace the bearing bushing.
Note: When replacing the bearing bushing,
you must replace the whole group of bearing
bushings.
2) Measure the axial clearance of
crankshaft After mounting the
crankshaft, you can use micrometer
guage to measure the axial clearance.
Standard value
Limit
value
Clearance 0.07 0.265
If the measured value exceeds the limit value,
please replace the thrust washer.
Plastic Gauge
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