1
ENGINE
Cvlinder Head and Valves SOHC
Free
height
1
I.D.
Guide O.D.
1
INSPECTION
CYLINDER HEAD
(1) Check the cylinder head gasket surface for flatness by
using a straightedge in the directions of A through shown
in the illustration.
Standard value: 0.05 mm
in.)
Limit: 0.2 mm
in.)
(2) If the service limit is exceeded, correct to meet the
specification.
Grinding limit:
mm
in.)
Caution
Total resurfacing depth of both cylinder head and
cylinder block.
Cylinder head height (Specification when new):
89.9 90.1 mm (3.539 3.547 in.)
VALVE
Check the valve face for correct contact. If incorrect, reface
using a valve
The valve seat contact should be
maintained uniform at the center of the valve face.
(2) If the margin exceeds the service limit, replace the valve.
Standard value:
Intake
1.2 mm
in.)
Exhaust
2.0 mm
in.)
Limit:
Intake
0.7 mm
in.)
Exhaust
1.5 mm
in.)
VALVE SPRING
Measure the free height of spring and,
the limit, replace.
Identification color: White
Standard value: 49.8 mm (1.961
Limit: 48.8 mm
(1.922
in.)
if it is smaller than
in.)
(2) Measure the squareness of the spring and, if the limit is
exceeded, replace.
Standard value: 2“ or less
Limit: Max. 4”
VALVE GUIDE
(1) Measure the clearance between the valve guide and valve
stem. If the limit is exceeded, replace the valve guide or
valve, or both.
Standard value:
Intake
0.02 0.06 mm
in.)
Exhaust
0.05 0.09 mm
in.)
Limit:
Intake
0.10 mm
in.)
Exhaust
0.15 mm
in.)
TSB Revision
Summary of Contents for 4G1 series
Page 2: ......
Page 11: ...4Gl ENGINE General Information TSB Revision 1 ...
Page 12: ...VA 4 4Gl ENGINE General Information UBRICATION SYSTEM P 0 Z t7 ii ii I OTJ 09 1 TSB Revision ...
Page 21: ...4Gl ENGINE Special Tools Valve stem seal compressor Flywheel stopper 1 TSB Revision ...
Page 46: ...1 IA 38 461 ENGINE Cvlinder Head and Valves TSB Revision ...
Page 62: ...N O T E S ...
Page 65: ...4G3 ENGINE General Information pqJp3 I 3EN0087 TSB Revision ...
Page 66: ...IIB 4 4G3 ENGINE General Information JBRICATION SYSTEM 3LUOO20 TSB Revision ...
Page 77: ...463 ENGINE Special Tools Removal of crankshaft sprocket 1 TSB Revision ...
Page 106: ...11 B 44 4G3 ENGINE Cylinder Head and Valves 3EN018E TSB Revision ...
Page 127: ...4G6 ENGINE 1992 General Information 6EN0314 TSB Revision I ...
Page 128: ...IIC 4 466 ENGINE 1992 General Information NGlNE SECTIONAL VIEW DOHC TSB Revision ...
Page 129: ...6EN0244 TSB Revision ...
Page 225: ...4G6 ENGINE 1992 Piston and Connecting Rod 1 IC 101 TSB Revision ...
Page 232: ...NOTES ...
Page 235: ...4G9 ENGINE General Information llD 3 ru l 9EN0105 TSB Revision ...
Page 236: ...11D 4 4G9 ENGINE General Information UBRICATION SYSTEM 9EN0106 TSB Revision ...
Page 284: ...NOTES ...
Page 287: ...6G7 ENGINE General Information llE 3 TEN0324 1 Revision ...
Page 289: ...667 ENGINE General Information TSB Revision 7EN0120 I ...
Page 290: ...WE 6 6G7 ENGINE General Information SECTIONAL VIEW DOHC NON TURBO ENGINE TSB Revision 7EN0325 ...
Page 291: ......
Page 292: ...IIE 8 6G7 ENGINE General Information SECTIONAL VIEW DOHC TURBO ENGINE 1 TSB Revision 7EN0335 ...
Page 293: ...667 ENGINE General Information IIE 9 TSB Revision 7EN0334 ...
Page 409: ...4G6 ENGINE 1993 General Information TS8 Revision 6EN0630 ...
Page 411: ...466 ENGINE 1993 General Information 6EN0614 TSB Revision ...
Page 412: ...4G6 ENGINE 1993 General Information ENGINE SECTIONAL VIEW DOHC 6EN0619 TSB Revision ...
Page 413: ...4G6 ENGINE 1993 General Information I W7 6EN0620 TSB Revision ...
Page 522: ...NOTES ...