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Honing or Reboring Cylinders
1) When any cylinder needs reboring, all other
cylinders must also be rebored at the same time.
2) Select oversized piston according to amount of
cylinder wear.
Oversize piston specification
Oversize 0.50: 78.453 – 78.468 mm (3.0887 –
3.0893 in.)
3) Using micrometer, measure piston diameter.
Measurement position for piston diameter
"a": 7.0 mm (0.28 in.)
Tightening Torque Specifications
Fastening part
Camshaft housing bolt
Cylinder head cover bolt
Intake manifold bolt
Intake manifold nut
Intake manifold ground terminal bolt
Engine left mounting bracket nut
Engine right mounting nut
Engine rear mounting bush bolt
Starting motor terminal nut
Generator terminal nut
Intake manifold ground terminal bolt
Timing chain cover bolt
Timing chain cover nut
Cap bolt
Oil gallery pipe No.2 and No.3 bolt
Crankshaft pulley bolt
Oil control valve mounting nut
Oil gallery pipe No.1 bolt
Timing chain No.1 guide bolt
Timing chain tensioner bolt
Timing chain tensioner adjuster bolt
Camshaft housing bolt
Intake cam timing sprocket bolt
Venturi plug
Cylinder head bolt for M8
Cylinder head bolt for M10
4) Rebore and hone cylinder to the following
dimension.
NOTE
Before reboring, install all main bearing caps
in place and tighten to specification to avoid
distortion of bearing bores.
Cylinder bore diameter to be rebored
Oversize 0.50: 78.500 – 78.514 mm (3.0906 –
3.0911 in.)
5) Measure piston clearance after honing.
Piston clearance
0.032 – 0.061 mm (0.0013 – 0.0024 in.)
I2RH01140157-01
Specifications
Tightening torque
N⋅m
kgf-m
11
1.1
Tighten 3 N⋅m (0.3 kgf-m, 2.5 lb-ft), 5 N⋅m
(0.5 kgf-m, 4.0 lb-ft) and 8 N⋅m (0.8 kgf-m,
6.0 lb-ft) by the specified procedure
23
2.3
23
2.3
11
1.1
55
5.5
65
6.5
55
5.5
11
1.1
6
0.6
11
1.1
25
2.5
25
2.5
25
2.5
11
1.1
150
15.0
11
1.1
30
3.0
9
0.9
25
2.5
11
1.1
5 N⋅m (0.5 kgf-m, 4.0 lb-ft) and 11 N⋅m (1.1
kgf-m, 8.0 lb-ft) by the specified procedure
60
6.0
3.5
0.35
25
2.5
20 N⋅m (2.0 kgf-m, 14.5 lb-ft), 40 N⋅m (4.0
kgf-m, 29.0 lb-ft) and then retighten by
turning through to 60° twice
Engine Mechanical:
S7RS0B1407001
Note
lb-ft
8.0
17.0
17.0
8.0
40.0
47.0
40.0
8.0
4.5
18.0
18.0
18.0
18.0
8.0
108.5
8.0
21.5
6.5
18.0
8.0
/
43.5
3.0
18.0
1D-64
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