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Removing and installing coarse oil separator > < Sump and oil pump

A4 Mk3

Sump, oil pump - exploded view
   
Sump, oil pump - exploded view
1 - Oil level and oil temperature sender -G266-
2 - Seal
q   Renew
3 - Bolt
q   Renew
q   Tightening sequence → Fig.
4 - Sump (bottom section)
q   Removing and installing → Chapter
5 - Baffle plate
q   Renew
6 - Suction pipe
q   Clean strainer if dirty
7 - Bolt
q   9 Nm
8 - O-ring
q   Renew
q   Lubricate
9 - Oil pump
q   Removing and installing → Chapter
10 - Centring sleeve
11 - O-ring
q   Renew
12 - Valve for oil pressure control -N428-
q   Removing and installing → Chapter
13 - Bolt
q   9 Nm
14 - Chain tensioner
15 - Drive chain for oil pump
q   Mark direction of rotation before removing
16 - Bolt
q   9 Nm
17 - Gasket
q   Renew
18 - Coarse oil separator
q   Removing and installing → Chapter
19 - Bolt
q   Tightening sequence → Fig.
20 - Sump (top section)
q   Removing and installing → Chapter
21 - Bolt
q   Renew
q   Tightening sequence → Fig.
22 - Bolt
q   Renew
q   Tightening sequence → Fig.
23 - Bolt
q   20 Nm
24 - Seal
25 - Bolt
q   9 Nm
26 - Seal
27 - Non-return valve
28 - Oil drain plug
q   Renew
q   30 Nm
29 - Nut
q   9 Nm

   
Tightening sequence for sump (bottom section)
–  Tighten bolts in the sequence -1 ... 19- in two stages as follows:
1.  Tighten bolts to 8 Nm.
2.  Turn bolts 45° further.
  A17-10413
Tightening sequence for sump (top section)
–  Tighten bolts in the sequence -1 ... 13- in two stages as follows:
–  1. Tighten bolts to 15 Nm.
–  2. Turn bolts 90° further.
  A17-10415
Tightening sequence for coarse oil separator
–  Tighten bolts in the sequence -1 ... 9- to 9 Nm.
  A17-10423

Removing and installing coarse oil separator > < Sump and oil pump