Number of cylinders Oil sump partnumber Minimum oil capacity Maximum oil capacity
8370 74007 17 22
8370 84152 19 24
8370 84394 16 19
8368 73817 16 19
8368 74808 17 20
8368 84674 17 20
8368 84621 16,8 19,5
8368 73994 21 25
8368 74002 20 24
8368 73779 16,5 21,5
7 cylinders 8368 73028 27 33
8368 74866 29,5 35,5
3.10.10 Closed crankcase ventilation
The engine has a closed crankcase ventilation (CCV) with filtering of ventilation gases. This is to prevent oil
and soot getting into engine air intake with ventilation gases. The CCV system is maintenance-free.
There are two different types of CCV system.
84-98 engines: The CCV system has a centrifugal-type filtering, which is driven by the engine oil pressure.
33-74 engines: The CCV system has a filter that uses a small part of boost pressure for filtration boosting.
3.10.10.1 Installing the closed crankcase ventilation system components in 33 - 74 engines
The Closed crankcase ventilation (CCV) filter is mounted on the rear end of inlet manifold. It is connected
to the valve cover, inlet manifold and inlet pipe. The CCV system includes also return oil pipe non-return
valve, that is mounted on the engine oil pressure regulating valve cover.
Procedure
1.
Mount the valve in vertical position.
2.
Fit the CCV system hoses.
Make sure that there are no unnecessary
bends or creases on the CCV system hoses.
The hose line must be straight forwardly
ascending.
3.
Make sure that the monitoring hole for
ambient pressure is not blocked.
Fig. 83
3.10.10.2 Installing the closed crankcase ventilation system components in 84 and 98 engines
The CCV filter is mounted on the rear end of the cylinder block with a mounting bracket. Centrifugal filter is
connected to engine oil circulation with a pipe. The ventilation gases are circulated from valve cover to inlet
piping with rubber hoses.
3. Maintenance
3-50 4th Generation Engines
8370 79492
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