11-24
140-3 SERIES
STRUCTURE AND FUNCTION, MAINTENANCE STANDARD CYLINDER BLOCK
★ The main cap bolt can be re-used up to a maximum of 5 times. Each time the bolt is re-used, make a punch
mark on the bolt head.
Unit: mm
No. Check item Criteria Remedy
1
Distortion of cylinder head
mounting surface
Standard size Repair limit
Repair by grinding
or replace
0 – 0.09 0.135
2
Inside diameter of main
bearing hole
Standard size Tolerance
Replace main
bearing cap
127
+0.018
–0.006
Thickness of main bearing 3.5
0
–0.010
Replace main
bearing
Roundness of main bearing
hole
Repair limit: 0.005
3
Inside diameter of main
bearing
Standard size Tolerance Repair limit
Replace main
bearing
120
+0.038
–0.006
120.15
4
Inside diameter of camshaft
bushing hole
69
+0.030
0
—
Repair or replace
cylinder block
5
Inside diameter of camshaft
bushing
65
+0.040
0
65.15
Replace camshaft
bushing
6
Difference of face between
cylinder block and front cover
Repair limit: 0.14
Repair by reassem-
bling
7
Tightening torque of main
bearing cap bolt (Coat thread
area with engine oil)
Order
Target
(Nm{kgm})
Range
(Nm{kgm})
Retighten
1st step 117.7 {12}
107.9 – 127.5
{11 – 13}
2nd step 235 {24}
230.1 – 239.9
{23.5 – 24.5}
3rd step
Retighten
with 90º
90
8
Tightening torque of crank
pulley mounting bolt
Target (Nm{kgm}) Range (Nm{kgm})
275 {28} 245 – 309 {25 – 31.5}
+30º
0
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