Toyota 1C Repair Manual page 229

SERVICE. SPECIFICATIONS - Engine Mechanica l.
A-3
Specifications (Cont ' d)
Cyfinder heac
Read surface warpa ge
Limit ·D.2 mm
0 .008
in.
Manifold surface warpage
IN & EX Limit
0.2 mm
0 .008 in ..
Valve seat
Refacing angle
30•. 45°.
so·
Contacting angle
45°
Contacting width Intake
1.2 - 1.6 mm
0 .047 0.063 in.
Exhaust 1.6 - 2.0 mm
0 .063 - 0.07_ 9 in.
Valve guide
Inner diameter
8 .01 - 8.03 mm
0.3154 - 0.3161 in.
bushing
Outer diameter
STD
13 .040 - 13 ,051
mm
0.5134 - 0.5138 in.
0 / S type 0 .05
13.090 - 13 .10 1 mm
0.5154 - 0.5168
In
Replacing temperature (cylinder head side) 9o•c
194"F
Valve Valve overall length
STD
Intake 105 .70 mm
4 . 1614 in.
Exhaust 105.35 mm
4. 1476 in.
Limit
Intake 105 .20 mm
4. 1417 in.
Exhaust
104.85 mm
4. 1476 in.
,Valve face angle
IN & EX 44.5 °
Stem diameter
Intake
7.975 - 7.990 mm 0.3140 - 0.3 140
In.
Exhaust
7.960 - 7.975 mm
0.3134 - 0.314'0 In.
Stem oil clearance STD
Intake 0 .020 - 0 .055 mm 0 .000 8 - 0.0022 In,
Exhaust 0 .035 - 0 .070 mm 0 .0014 - 0.0028 in.
Limit Intake 0.08 mm
0.0031 in.
Exhaust 0 .10 mm
0.0039 in.
Valve head edge thickness Limit Intake
0 .9mm
0.035 in.
Exhaust 1.0 mm
0.0 39 in.
Valve spring
Free length 475 mm
1.870 in.
Installed length
40 .3 mm 1.587 in.
lnstaffed load .
$TO
22.9 - 25 .3 kg 50 .5 - 55.8 lb 225 - 248 N
Squareness
Limit
2 .0mm
0 .079 in.
Camshaft
Thrust clearance
STD 0 .08 - 0.18 mm
0 .0031 - 0.0071 in.
Limit
0 .25 mm
0.0098 in.
J ournal oil clearance
STD 0 .037 - 0 .073 mm
0.00 15 - 0 .0029 in.
Limit 0 .1 mm 0.004 in.
Journa l diameter
27 .979 - 27.995 mm
1. 1015 - 1.1022 in.
Circle runout
Limit
0.06 mm
0.0024 In.
Cam lobe hight
Intake
STD 2C-T 46 .325 - 46 .475 mm
1.8238 - 1.8297 in.
Othe rs 46 .725 - 46 .875 mm 1.8396 - 1.8455 in.
Limit
2C-T
45 .925 mm
1.808 1 in.
01hers 46 .325 mm
1 .8238 in.
Exhaust
STD
47 .335 - 47.485 mm 1.8636 - 1.8695 in.
Limit 46.835 mm
1.ll439 in.
Valve li'fter Outer diameter
STD
37 .922 - 37 ,932 mm 1.4930 - 1.4934 in.
Valve lifter o~ clearance
STD 0 .028 - 0.053 mm
0.0011 - 0 .0021 in.
Limit · 0. 10mm
0.0039 in.