Audi Workshop Service and Repair Manuals > A4 Mk3 > Power unit | 4-cylinder direct injection engine (1.8, 2.0 ltr. 4-valve TFSI - generation III), mechanics | Engine lubrication | Oil filter, engine oil cooler, oil pressure switches | Removing and installing oil pressure switch | Removing and installing stage 3 oil pressure switchF447

Removing and installing stage 3 oil pressure switchF447

Removing and installing stage 3 oil pressure switch -F447-

Special tools and workshop equipment required

t	Articulated wrench, 24 mm -T40175-

Removing

–	Unplug electrical connector -1- on stage 3 oil pressure switch -F447-.

–	Remove bolts -arrows- and detach toothed belt cover.

Note

Place a cloth under oil pressure switch to catch escaping oil.

–	Use articulated wrench, 24 mm -T40175- to unscrew stage 3 oil pressure switch -F447--2-.

Installing

Installation is carried out in the reverse order; note the following:

l	Tightening torques → Chapter „Oil filter, engine oil cooler, oil pressure switches - exploded view“

Note

t	Renew seal.

t	Fit the new stage 3 oil pressure switch -F447- into the connection immediately to avoid loss of oil.

–	Check oil level; A4 → Booklet812, A5 → Booklet811