DV11
Operation and Maintenance
152
Common Rail Fuel-injection System
Printed in Mar. 2005 PS-MMA0608-E1A
5) Oil pressure dropping below minimum required for engine brake operation.
Possible cause : Upper solenoid seal ring damaged.
Correction : Remove solenoid. Inspect seal ring and replace all se
al rings.
Possible cause : Aeration of lubricating oil.
Correction : Check for aeration of the oil. Activate, then deactivate
engine brake.