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Base Engine Components
DODGETurbo Diesel
Engine Removal, Replacement ami Testing
Page 9J-7
Blowby Limits
The following table gives the values of blow-by that are normal for the Dodge 5.9 Liter Diesel engines. These blow-by
values have been calculated on amount of displacement of the engine, volumetric efficiency, cylinder pressure and
turbo contribution.
Note: The blow-by values are for 100 percent load at the given speed.
Blowby Measurement
Blowby is generally recorded in Liters/Minute, but a water manometer may be used to measure blowby from the
breather tube. Pressure readings in inches of water are measured using a 5.613 mm [0.221 inch] diameter orifice.
Use a service tool with 5.613mm [.221 in.] orifice built in.
Engine Model
5.9 Liter Diesel
Speed / RPM
2500
New Limit
76L/Min[7InH20]
Worn Limit
152L/Min [28.5 in HgO]
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Troubleshooting
