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Removing and installing sump (bottom section) > < Sump/oil pump

A4 Mk3

Sump/oil pump - exploded view
   
Sump/oil pump - exploded view
1 - Nut
q   9 Nm
2 - Oil level and oil temperature sender -G266-
3 - Seal
q   Renew
4 - Bolt
q   Renew
q   Tightening sequence → Fig.
5 - Gasket
q   Only for sump (bottom section), sheet-metal version
6 - O-ring
q   Renew
q   Lubricate lightly with engine oil
7 - Bolt
q   Renew
q   4 Nm + 45°
8 - Suction pipe
q   Clean strainer if dirty
9 - O-ring
q   Renew
q   Lubricate
10 - Oil pump
q   Removing and installing → Chapter
11 - Centring sleeve
12 - O-ring
q   Renew
q   Lubricate
13 - Bolt
q   Renew
q   4 Nm + 90°
14 - Valve for oil pressure control -N428-
q   Removing and installing → Chapter
15 - Chain tensioner
16 - Drive chain for oil pump
q   Mark direction of rotation before removing
17 - Bolt
q   9 Nm
18 - Cylinder block
19 - Sump (top section)
q   Removing and installing → Chapter
20 - Bolt
q   Renew
q   Tightening sequence → Fig.
21 - O-ring
q   Renew
q   Lubricate
22 - Bolt
q   Renew
q   4 Nm + 45°
23 - Oil return pipe
24 - Bolt
q   Renew
q   8 Nm + 90°
25 - Baffle plate
q   Renew
26 - Bolt
q   Renew
q   4 Nm + 45°
27 - Sump (bottom section)
q   Removing and installing → Chapter
28 - O-ring
q   Renew
q   Lubricate
29 - Oil drain plug

   
Tightening sequence for sump (bottom section), plastic version
–  Tighten bolts -1 to 19- in two stages in the sequence shown:
1.  Tighten bolts to 8 Nm.
2.  Turn bolts 90° further.
  A17-10818
Tightening sequence for sump (bottom section), sheet-metal version
–  Tighten bolts -1 to 19- in two stages in the sequence shown:
–  1. Tighten bolts to 8 Nm.
–  2. Turn bolts 90° further.
  A17-10413
Tightening sequence for sump (top section)
–  Tighten bolts -1 to 14- in the sequence shown:
–  1. Tighten bolts -1 to 14- to 8 Nm.
–  2. Turn bolts -1 and 2- 180° further.
–  3. Turn bolts -3 to 9- 45° further.
–  4. Turn bolt -10- 180° further.
–  5. Turn bolts -11 to 14- 90° further.
  A17-10748

Removing and installing sump (bottom section) > < Sump/oil pump