TM 5-3895-346-14
CAMSHAFT AND BEARINGS
ENGINE OVERHAUL
Install Intermediate and/or Center Camshaft Bearings
Camshaft center and intermediate bearings mrust be installed prior to installing the camshaft end bearings. On
the four-cylinder in-line engine, the center, rear intermediate and rear bearings are installed in that order by
pressing the bearings from the rear to the front of the block. The front internediate and front beartngs are
installed by pressing the bearings from the front to the rear of the block.
NOTE
Current bearings incorporate lubrication grooves on the inner bearing surface (Fig. 7).
To properly install the camshaft and balance shaft bearings, refer to Fig. 8 for location of the notch in the bear-
ing in relation to the camshaft or balance shaft bore centerline in the cyLinder block.
Also, to facilitate assembly, the camshaft and balance shaft bearings are color coded on the side and/or end as
shown in Table 2.
1. Insert pilot J 7593-2 in the bore of the block as shown in Fig. 6. Use the small end of the pilot if an
end bearing has been installed. Refer to B and C of Fig. 9.
2. Insert the new intermediate or center bearing into the camshaft bore and position it correctly. Install
the center bearing first.
TABLE 2
CAMSHAFT AND BALANCE SHAFT
BEARING COLOR CODE CHART
Bearing
Color Code
Outside
Inside
Position
Current
Former
Diameter
Diameter
End
Brown
Black
Standard
Standard
0.010 inch & 0.020 inch U.S.
Brown
Yellow
0.010 inch
Standard (only)
Oversize
Intermediate
Orange
Red
Standard
Standard
0.010 inch & 0.020 inch U.S.
Orange
Blue
0.010 inch
Standard (only)
Oversize
Center
White
Green
Standard
Standard
0.010 inch & 0.020 inch U.S.
White
Red
0.010 inch
Standard*
Oversize
*The former red center bearing of the standard set is also used as the intermediate bearing of the oversize
(0D.) set.
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