1999 AUDI A6 engine oil

17-17


Note:
Be especially careful when applying sealant to rear oil seal carrier (arrows
in illustration A17-0041).
Note:
Do not use glue or sealant. - Apply silicon sealant to clean sealing surface as shown in illustration.
(The illustration shows placement of sealant on cylinder block.)
- Immediately install oil pan and tighten all bolts between oil pan and
engine block to 5 Nm (44 in. lb).
- Tighten bolts between oil pan and transmission to 45 Nm (33 ft lb).
- Tighten bolts between oil pan and engine block in 2 stages in diagonal
sequence.
Finally sequence tightening torque: 15 Nm (11 ft lb)
- Tighten M10 bolts between oil pan and cylinder block to 45 Nm (33 ft
lb).
- Clean both sealing surfaces on oil pan (lower part) so they are free of
oil and grease.
- Install new gasket on oil pan (lower part) and attach to oil pan (upper
part) with two bolts diagonal to each other.
- Tighten all bolts hand tight.
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17-18

- Starting in center and moving toward outside,
tighten bolts to 10 Nm (7 ft lb).

- Install new seal on oil drain plug and tighten to
30 Nm (22 ft lb).

Notes:

When installing oil pan on removed engine,
make sure oil pan is aligned with cylinder block
on flywheel side.
After installing oil pan, allow sealant to dry for
approx. 30 minutes. Only after allowing sealant
to dry may engine oil be added.

- Install subframe.

Repair Manual, Suspension, Wheels,
Steering, Repair Group 40


- Install lock carrier.
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17-19

Oil pump, removing and installing


- Remove noise insulation panel (arrows).
- Drain engine oil.
- Collect engine oil in appropriate receptacle.

Vehicles with automatic transmission - Unbolt both stabilizer mounting brackets -2- from subframe.
- Lower stabilizer not more than 10 cm (3.94 in.) and secure using wire.
- Unbolt oil cooler line bracket from right-side of oil pan.
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17-23

Tightening torques

Component

Tightening
torque
Oil pan to cylinder block M6 10 Nm (7 ft lb)
M8 20 Nm (15 ft
lb)
Oil pan (lower part) to oil
pan (upper part) M6 10 Nm (7 ft lb)
Oil pan to transmission M8 25 Nm (18 ft
lb)
M10 45 Nm (33 ft
lb)
Coolant line to oil pan 10 Nm (7 ft lb)
Oil drain plug in oil pan
(lower part) 30 Nm (22 ft
lb)

Component

Tightening
torque
Dipstick tube to cylinder
head M6
M8 10 Nm (7 ft lb)
25 Nm (18 ft
lb)
Oil pump to engine block 25 Nm (18 ft
lb)
Oil supply line for oil pump 10 Nm (7 ft lb)
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17-24


Component

Tightening torque
Collar screw M8 30 Nm (22 ft lb)
Stabilizer bracket to subframe 1) 25 Nm (18 ft lb)
Coolant drain plug to engine 20 Nm (15 ft lb)
Torque support stop to bracket on engine
25 Nm (18 ft lb)
Engine mount to subframe 25 Nm (18 ft lb)
Torque support to front side of oil pan 25 Nm (18 ft lb)
Engine mount to engine support 25 Nm (18 ft lb)
Chain sprocket to oil pump 25 Nm (18 ft lb)
1) Replace all self-locking nuts after removal.
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17-29

Oil pump chain sprocket on crankshaft,
removing and installing


Removing
Front sealing flange and oil pump chain,
removing and installing page 17
-26
.

Installing
WARNING!
Wear protective gloves.
Note:
Installation position: wider collar of chain sprocket points toward engine. - Using puller -2-, remove crankshaft chain sprocket, while protecting
crankshaft end with appropriate washer -1-.
-
Warm chain sprocket in 220 C (428 F) oven for approx. 15 minutes.

- Using pliers, install chain sprocket on crankshaft end and slide onto
crankshaft to stop using 30-100 press tube. If necessary, carefully tap
with plastic hammer.
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