Diagnostic Routine - Fluid Loss

WARNING: This page is about a different car, the 2006 Mercury Grand Marquis and 2006 Ford Crown Victoria. However, it is still accessible from the selected car via links, so may be relevant.

DIAGNOSTIC ROUTINE - FLUID LOSS

Possible Component	Reference/Action
Vent	CLEAN the axle vent.
Overfilled axle	CHECK the lubricant level for specific amount.
Fill plug	CLEAN the area around the plug. REMOVE the plug. APPLY pipe sealant and INSTALL the plug.
Halfshaft oil seal	INSTALL a new halfshaft oil seal.
Pinion seal	INSTALL a new pinion seal.
Differential housing cover	RESEAL the differential housing cover.
Pinion nut	INSTALL a new pinion nut.