X-type transfer case oil change

January 2008

Parts to make drain/fill valveNote original plug

Fill/drain valve assemblednote ball valve handle removed to

allow room to screw it into the case

Draining original oil very dark and tar-like.

Magnetic plug with sludge

Original oil drained.. Very dark, and very little oil at all

Old oil in measuring cup not 600ml!!

Drain valve in place ready to refill

Hose in place ready to fill oil

Mixing oil and engine flush

Ready to pour and fill for first flush

Oil filling into transfer case

Case full, note oil level in hose

Running car in gear on jack stands to flush transfer case–note speedo

First drain vs first refill and flush both are very dark

Another view of first flushed oil

Drop of original oil in first flush oil to show colour difference

Third flush with oil before final fill - almost clear