Oil Leaks
Vehicle Stationary, Engine OffPossible Fault Remedy
Gasket or oil cooler connection Clean, locate fault and repair
Leakage, Vehicle Stationary, Engine Running
Possible Fault Remedy
Leak from transmission front end:
- high oil level Top up
- pump bushing Replace oil pump
damaged/loose
- oil pump seal worn or Replace oil seal
damaged (BW55: is twin-lip
sealing ring installed?)
- torque converter neck Replace torque converter
damaged
- torque converter cover Tighten, adjust
loosely attached to engine
Leak from oil filler tube (after Wipe clean. Check
driving)
Oil Leaks During Driving
Possible Fault Remedy
Leak from rear extension Replace gasket and oil
housing gasket or oil seal seal
Leak from oil seals Check/replace oil seals
Leak from transmission See Leakage, Vehicle Stationary,
Engine Running front end
Leak from oil pump oil seal Check oil pump seal
during fast motor-way driving (BW55: is twin-lip seal
or towing installed?)
Worn torque converter neck Check
Overheated oil Install auxiliary oil cooler