TM 5-3805-281-24-2
Camshaft and Timing Gear Train
SERVICE CAMSHAFT BUSHINGS USING
JDG606 ADAPTER SET
1. Inspect camshaft journals and bushings for wear or
damage. Measure cam journals and bushings to
determine if proper oil clearance exists. Replace
camshaft and/or bushings as necessary.
Camshaft Bushing--Specification
ID ............................................................................... 67.076--67.102 mm
(2.6408--2.6418 in.)
Bore in Block ............................................................. 69.987--70.013 mm
Removing Camshaft Bushings
(2.7554--2.7564 in.)
Camshaft Journal--Specification
OD ............................................................................. 66.987--67.013 mm
(2.6373--2.6383 in.)
Camshaft Journal and Bushing Oil--Specification
Clearance ...................................................................... 0.063--0.115 mm
(0.0025--0.0045 in.)
NOTE: The front two bushings can be reached from the
front to the engine. The flywheel and rear
camshaft bore plug (G) must be removed to reach
Camshaft Rear Bore Plug
the other two bushings.
A--Bushing Driver (JDG607)
B--Camshaft Bushing
Lubricate O-ring on JDG608 Bushing Pilot with
C--Cylinder Block Web
clean engine oil before installing in cylinder block
D--Slide Hammer Adapter (JDG408)
web (C).
E--Bushing Pilot (JDG608)
F--Slide Hammer (D01299AA)
2. Remove camshaft bushings (B) using JDG607 Bushing
G--Camshaft Bore Plug
Driver (A) and JDG408 Slide Hammer Adapter (D)
(from JDG405 camshaft Bushing Service Set). Also
use JDG608 Bushing Pilot (E), and D01299AA Slide
Hammer (F).
NOTE: End bushing at front and rear of cylinder block
may be removed with just JDG607 Bushing Driver
and D01299AA Slide Hammer.
3. Inspect and measure each camshaft bushing bore in
block as bushings are removed.
Continued on next page
DPSG,OUOE003,30 1918DEC981/2
