transmission AUDI A6 1998 C5 / 2.G AEB ATW Engines Lubrication System Components Workshop Manual

17-4


19 -
Bolt
45 Nm (33 ft lb)
20 -
Oil drain plug 50 Nm (37 ft lb)
21 -
Sealing washer Always replace
22 -
Oil pan Removing and installing Page 17
-9
Clean contact surface before installingWhen installing oil pan on removed engine,
note that oil pan is aligned with metal plate
on flywheel side (i.e. oil pan projects out
over engine block 0.8 mm 0.031 in.) Before installing oil pan, spread thin coat of
sealant AMV 174 004 01 on sealing
surface between oil seal carrier and engine
block
23 -
Bolt 10 Nm (7 ft lb)Use 3249 hex ball socket to remove and
install two rear bolts on transmission Tighten diagonally in sequence
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17-16

Vehicles with manual transmission

Vehicles with automatic transmission - Loosen left transmission mount nut (arrow) until it is aligned with lower
edge of bolt (approx. 4 turns).

- Loosen rear bolt -2- for left transmission mount several turns. Remove
front bolt -1- for left transmission mount.
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17-17

All models

Note: - Loosen rear bolt -2- for right transmission mount several turns.
Remove front bolt -1- for right transmission mount.
- Remove oil return line for turbocharger at oil pan.
- Unbolt oil pan.

For vehicles with manual transmission: both rear bolts on oil pan can
be reached through opening on flywheel (arrow). Turn flywheel as
needed. Use 3249 hex ball socket to remove rear oil pan bolts.
- Remove oil pan (if necessary tap lightly using rubber hammer to
remove).
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17-18

Installing
Installation is the reverse of removal, noting the
following:

Note:

Replace gaskets and O-rings.
When installing oil pan on removed engine,
note that oil pan is aligned with metal plate on
flywheel side (i.e. oil pan projects out over
engine block 0.8 mm, or 0.0315 in.).

- Clean sealing surfaces before installing oil
pan.

- Lightly spread AMV 174 004 01 sealant on front
and rear contact surfaces of oil seal carrier.

- Tighten bolts between oil pan and engine block
in 2 stages and diagonal sequence.

- Install oil pan and tighten all bolts between oil
pan and engine block to 5 Nm (44 in. lb) (stage
1).

- Tighten bolts between oil pan and
transmission.
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17-20

Tightening torques

Component

Tightening
torques
Oil pan to engine block M6 10 Nm (7 ft lb)
M10 45 Nm (33 ft lb)
Oil pan to transmission 45 Nm (33 ft lb)
Engine mount to subframe 25 Nm (18 ft lb)
Torque support to bracket on
engine 25 Nm (18 ft lb)
Torque support bracket to
engine
25 Nm (18 ft lb)
Side brace to bracket for
torque support 25 Nm (18 ft lb)
Side brace to engine support 20 Nm (15 ft lb)
Oil drain plug 50 Nm (37 ft lb)
Oil return line to oil pan 10 Nm (7 ft lb)
Transmission mount to
subframe 23 Nm (17 ft lb)
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