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1.5L REVOTORQ ENGINE
7
D. ASSEMBLY CLEARANCES
Description
Values (mm)
Crankshaft Axial Play With An Axial Load Of 130 Kg
0.06 To 0.245
Main Bearing Clearance (with selective assembly)
0.02 To 0.048
Connecting Rod Axial Play (Big End)
0.05 To 0.35
Piston Play Clearance On Skirt (Bore To Piston Stamp Size)
0.06 To 0.08
Connecting Rod Bearing Clearance (Small End)
0.020 To 0.038
Connecting Rod Bearing Clearance (Big End) with selective
assembly
0.012 To 0.049
Piston Projection On
Cylinder Crankcase
Max. Projection Of 8 Measurements
(mm)
Cylinder Head
Gasket Thickness
* (mm)
Identification
(Max. Difference In Piston
Projection Between Any Two
Pistons In A Crankcase
Should Be Within 0.12 mm)
0.50 To 0.60
1.3
1 Hole
0.61 To 0.70
1.4
2 Holes
0.71 To 0.80
1.5
3 Holes
Camshaft (Intake ) Axial Play
0.100 To 0.177
Camshaft (Exhaust) Axial Play
0.100 To 0.177
Camshaft Bearing Clearance
0.02 To 0.062
Graded Main Bearing Selection
Crankcase Grade
Crankshaft Grade
Main bearing shell Graded
selection
A
D
K
A
F
L
C
D
J
C
F
K
Connecting Rod Bearing Selection
Connecting Rod
Upper Bearing
Grade
Dia.
Colour
Thickness
P
48.655 - 48.663
Green
1.818 - 1.824
Q
48.664 - 48.671
Yellow
1.824 - 1.830
Marked * in each cylinder piston projection should be measured at two location along piston pin axis.
Notes :
Running in torque of crankshaft in assembly crankcase to be less than 2.5 Nm.
Complete engine to be leak tested with air.
E. LEAKAGE RATES
Region
Pressure
Leakage (Max.)
Air Side
0.125 bar
< 200 cc/min
Water Side
0.7 bar
< 20 cc/min