Detroit Diesel 4000 Series, Service Manual, Page: 560 / 2706

SERIES 4000 12/16V SERVICE MANUAL
6. Place connecting rod bearing "groove" (2) (bottom), (identifying feature: shiny running
surface), in connecting rod cap so that bearing shell recess engages locating pin.
See Figure 306.
1. Connecting Rod Bearing "Groove" (Bottom) 2. Connecting Rod Bearing (Top)
Figure 306 Placing Connecting Rod Bearing Shells in Connecting Rod
7. Place connecting rod bearing (2) (top), (identifying feature: matte finish running surface)
in connecting rod so that connecting rod bearing projects approximately 40 degrees
(arrows) over short connecting rod arm. See Figure 306.
8. Carefully press connecting rod cap by hand onto connecting rod.
9. Pay attention to locating pin and correct location of bearing shell.
10. Coat threads of bolt head mating surfaces and bolt head seating surfaces with engine oil.
11. Carefully insert connecting rod bolt into bearing cap bore by hand up to first contact with
thread flanks, then turn first three rotations without a tool.
NOTE:
Do not drop bolts into connecting rod cap bore. Thread must not be recut.
12. Install connecting rod cap bolts until bolt heads make contact, and use socket wrench to
tighten firmly.
13. Connecting rod and connecting rod cap serrations on short and long connecting rod arms
must be closed.
All information subject to change without notice.
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