
SERIES 4000 12/16V SERVICE MANUAL
3. Visually inspect main oil supply bores to camshaft and main bearings in block valley.
See Figure 26.
Figure 26
Viewing Main Oil Supply Bores to Camshaft and Main Bearing
with Borescope
[a]
If main oil bores to camshaft and main bearings in block valley are not clean, use
bristle brush to clean.
[b]
If main oil bores to camshaft and main bearing in block valley are clean, continue
inspection.
All information subject to change without notice.
C -40
Copyright © DETROIT DIESEL CORPORATION
Summary of Contents for 4000 Series
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Page 2631: ...E TROUBLESHOOTING Section Page E 010 MECHANICAL TROUBLESHOOTING E 3 E 020 TESTING E 45 ...
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