W 250 Pickup L6-359 5.9L DSL (1989)
Turbocharger: Description and Operation
Turbocharger Lubrication
Lubrication For The Turbocharger
The turbocharger receives filtered, cooled and pressurized lubricating oil through a supply line from the filter head. A drain line connected to the bottom
of the turbocharger housing returns the oil to the oil pan through a fitting in the cylinder block.