Chery Tiggo. Manual — part 66
CONNECTING ROD AXIAL CLEARANCE
DESCRIPTION
SPECIFICATION
LIMIT
Connecting Rods
0.10 - 0.25 mm
0.4 mm
Connecting Rod Bearings
• Perform the following steps when replacing the connecting rod bearings:
− Measure and record the External Diameter of
the connecting rod journals.
− Use the connecting rod bearing identification
table to locate the desired bearing.
• The bearing will have an identification mark (1) imprinted in the position as shown.
IDENTIFYING CONNECTING ROD BEARINGS
Internal Diameter of Connecting Rods (without bearing): 48.000 - 48.015 mm
Crank Journal
Connecting Rod Bearing
Group
Identification
Color
External
Diameter (mm)
Identification
Number
Identification
Color
Thickness (mm)
1
Yellow
44.995 - 45.000
1
Yellow
1.487 - 1.491
2
None
44.985 - 44.995
2
None
1.491 - 1.495
3
White
44.980 - 44.985
3
Blue
1.495 - 1.499
NOTE :
As an example, if the measurement of the external diameter of the connecting rod journal is 44.996 mm, it will be
identified as Group 1 in the table. If the crankshaft has been replaced, check the identification color applied to the
new crankshaft journal. If the journal is yellow, the crankshaft bearing will be from Group 1, and the connecting rod
bearing will be identified as 1.
ENGINE UNIT REPAIR
LTSM020119
LTSM020181
Connecting Rod Cap Nuts
• Apply engine oil to the connecting rod bolts.
• Install each connecting rod nut finger tight, then
alternately tighten each nut to assemble the cap
properly.
• Tighten the connecting rod nuts using the two step
torque-turn method:
− 1st Step: Tighten nuts to 20 N·m
− 2nd Step: Tighten the connecting rod nuts an
additional 90°- 100°
CAUTION:
If the nuts are over tightened (exceed angle of
100°), loosen the nuts and restart the torque
sequence from Step 1.
Crankshaft
Specifications
Torque Specifications
DESCRIPTION
TORQUE (N·m)
Main Bearing Cap Bolts
1st Step: Tighten the bolts to 25 N·m
2nd Step: Tighten the bolts an additional 180°
Clearance Specifications
DESCRIPTION
SPECIFICATION (mm)
Diameter of Crankshaft Main Journals
53.981 - 54
Diameter of Crankshaft Rod Journals
47.884 - 47.9
Out-of-Round Maximum of Crankshaft Main Journals
0.008
Axial Clearance of Crankshaft
0.07 - 0.265
Radial Clearance of Crankshaft
0.0035 - 0.034
Coaxality Crankshaft Main Journal
0.05
Thrust Washer Thickness
2.4 - 2.405
ENGINE UNIT REPAIR
LTSM020120
02
Disassembly
1. Remove the engine front cover.
2. Remove the crankshaft rear oil seal.
1 - Cylinder Block
2 - Crankshaft Rear Oil Seal Housing
3 - Crankshaft Rear Oil Seal
4 - Crankshaft Thrust Bearing
5 - Upper Crankshaft Bearing
6 - Crankshaft
7 - Lower Crankshaft Bearing
8 - Bearing Cap
9 - Bearing Cap Bolt
ENGINE UNIT REPAIR
LTSM020194
3. Remove the connecting rod cap nuts.
4. Remove the connecting rod bearing cap.
5. Using a hammer handle or similar tool, push the
piston
and
connecting
rod
assembly
(1)
out
through the cylinder head side of the engine block.
NOTE: Before removing the piston and connecting
rod assembly, check the connecting rod side
clearance.
6. Remove the connecting rod bearings.
CAUTION: When removing the connecting rod
side bearings, note the installation position.
Keep them in the correct order.
ENGINE UNIT REPAIR
BESM020042
BESM020043
BESM020044
BESM020045
02
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