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07 - SQR484F ENGINE MECHANICAL
If roundness or cylindricity of crankshaft main journal exceeds the specified value, replace the
crankshaft.
8. Check crankshaft radial clearance.
a. Clean the crankshaft main journals and main bearing shells.
b. Install the crankshaft. Place the plastic feeler gauge
(1) on the crankshaft main journal, and make it
parallel to the crankshaft center axis and cover the
installation
width
completely.
c. Install the crankshaft frame and tighten the main bearing cap fixing bolts to the specified torque in order.
07
d. Remove the crankshaft frame. Using the feeler gauge,
measure the widest part of compressed feeler gauge.
The measured value is the crankshaft radial
clearance.
Measurement Item
Crankshaft Radial Clearance
If crankshaft radial clearance is not within the
specified range, install new main bearing shell.
Replace the crankshaft if necessary.
CAUTION
Replace bearing shells in pairs.
For selection of main bearing shell
9. Check the crankshaft axial clearance.
a. Clean the crankshaft main journals and main bearing
shells.
b. Install the crankshaft frame and tighten the main
bearing cap fixing bolts to the specified torque in
order.
c. Push the crankshaft forward and backward and read
the value from the dial indicator.
Measurement Item
Crankshaft Axial Clearance
If crankshaft axial clearance is not within the specified
range, replace the thrust washer as a set.
90
07–
range
of
main
bearing
Specification
(mm)
0.021 - 0.059
(See page
07-93).
Specification
(mm)
0.070 - 0.265
cap
Chery Automobile Co., Ltd.
1
RT21071120
RT21071130
RT21071140
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Table of Contents
Troubleshooting
