Removing and installing upper section of oil pan: Audi 2.8 (ACK)

Special tools and workshop equipment required

Hose clamps 3094

Drip tray V.A.G 1306
Drip tray

Removing

Observe or obtain radio code on vehicles with coded radio.
Remove rear bench seat.

=> General Body Assembly; Repair group 72
General Body Assembly

Disconnect earth strap at battery with ignition switched off.
Remove engine cover -arrows-.

Remove air duct hose between air mass meter and intake manifold -arrows-.
Loosen upper starter securing bolt a few turns - do not unscrew.
Pull out oil dipstick.
Remove lower section of oil pan =>Page
17-8
.

Unbolt bracket for noise insulation -arrow-.

Unscrew torque reaction support -1- and the torque reaction support stop -2-.

Clamp off coolant hoses to oil cooler and coolant pipe using 3 hose clamps 3094.

Unscrew coolant pipe from oil pan -arrows-.

Place drip tray V.A.G 1306 below engine.
Detach hoses -1- and -2- from oil cooler -4-.

Note:

If the same oil pan upper section is re-installed, the oil filter and oil cooler need not be removed. Otherwise:

Place drip tray underneath.
Remove oil filter -3-.
Remove oil cooler.

Unscrew lower starter securing bolt and leave starter suspended from upper securing bolt.

Disconnect wires -1...3-.

Unscrew connecting bolts -1 ... 3- for engine/gearbox in oil pan upper section area.

Unscrew bolts -1- for upper section of oil pan.
Press upper section of oil pan off dowel sleeves on cylinder block.
Remove upper section of oil pan.

Installing

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

Note:

Always replace self-locking nuts, seals and gaskets.

Clean sealing surfaces before installing upper section of oil pan.
Replace the O-ring on the dipstick guide tube.
Fit upper section of oil pan and tighten bolts -1- and -2- securing upper section of oil pan to cylinder block initially to 5 Nm in diagonal sequence.
Check that the dipstick guide tube is correctly located in the oil pan upper section.
Tighten bolts securing oil pan upper section to gearbox.
Tightening torque for bolts M8: 25 Nm
M10 bolt tightening torque: 45 Nm

Tighten bolts on upper section of oil pan/cylinder block in diagonal sequence to 10 Nm.
Install lower section of oil pan =>Page
17-11
.

Allow stop for torque reaction support to rest on rubber buffer for torque reaction support under its own weight and tighten bolts to 40 Nm.
Fill up with engine oil and check oil level.
Top up coolant => Page
19-8
.

Notes:

When the battery is reconnected make sure that the vehicle equipment (radio, clock, electrical window lifter) is activated according to the operating instructions.
Further measures after reconnection of voltage supply:

=> Motronic Injection and Ignition System; Repair group 24
Motronic Injection and Ignition System

Tightening torques

Component · Nm
Upper section of oil pan to cylinder block · 10
Upper section of oil pan to gearbox · M8 · 25
M10 · 45
Oil cooler to upper section of oil pan · 30
Torque reaction support to upper section of oil pan · / 42
Torque reaction support limit stop to body · / 40
Starter to engine/gearbox · M10 · 45
M12 · 65