SERVICE MANUAL
CYLINDER HEAD & VALVES
Section 3
CHECKING ENGINE GEAR TRAIN TIMING WITHOUT
REMOVING FRONT COVER AND/OR ENGINE TEAR
DOWN.
METHOD ONE - USING A FEELER GAUGE
1.
Adjust the No. 1 intake valve with the No. 1
piston
set
at
TDC
(Top
Dead
Center)
compression stroke as follows:
ENGINE GEAR TRAIN TIMING SPECIFICATION CHART
No. 1 Intake Valve Setting
Engine
With No. 1 Piston @ TDC
Engine
Serial No.
(Compression) [mm (in.)]
D-312
2504 and below
0.40 (0.016)
D-312
2505 and above
0.50 (0.020)
D-360 and
All
DT-360
Engines
D-414
126953 and below
0.60 (0.024)
D-414
126954 and above
0.74 (0.029)’
DT-414 and
149604 and below
0.60 (0.024)
DT-414B
DT-414B
149605 and above
0.74 (0.029)*
D-436
83591 and below
0.60 (0.024)
D-436
83592 and above
0.74 (0.029)*
DT-436 and
114240 and below
0.60 (0.024)
DT-436B
DT-436B
114241 and above
0.74 (0.029)*
D-466
54340 and below
0.60 (0.024)
D-466
54341 and above
0.74 (0.029)*
DT-466, DT-
466B and
110913 and below
0.60 (0.024)
DTI-466B
DT-466B and
110914 and above
0.74 (0.029)*
DTI-466B
DT-466C and
400 001 and above
0.74 (0.029)*
DTI-466C
*New valve timing adjustment specification for engines equipped with revised camshaft.
CGES-185-3
PRINTED IN UNITED STATES OF AMERICA
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