Sump, oil pump, balance shaft assembly with spur gear drive - exploded view — AUDI

Sump, oil pump, balance shaft assembly with spur gear drive - exploded view
Sump
With
oil level and oil temperature sender
G266
Removing and installing sump
Chapter
23 Nm
Torque reaction support
10 Nm
Intake connecting pipe
Clean strainer if dirty
10 Nm
O-ring
Renew
Oil pump
Removing and installing
Chapter
Before installing, check that the two dowel sleeves for centring oil pump are fitted onto balance shaft assembly.
Oil pump drive shaft
Circlip
Must fit securely in groove
Renew circlip if damaged or stretched
Spur gear for balance shaft
20 Nm + turn 90° further
Renew
Hub
For idler gear
90 Nm + turn 90° further
Renew
Thrust washer
For idler gear
Renew
Installation position
Fig.
Idler gear
Renew
To achieve the correct backlash a suitably thick coating is already applied to the new idler gear
Installing
Chapter
Thrust washer
For idler gear
Spur gear
Balance shaft assembly
Removing
Chapter
Installing new balance shaft assembly
Chapter
Re-installing "old" balance shaft assembly
Chapter
Before installing, check that the two dowel sleeves for centring balance shaft assembly are fitted onto cylinder block.
Bolt
Renew
Tightening torque and sequence with eight attachment points
Fig.
Tightening torque and sequence with six attachment points
Fig.
Oil intake pipe
10 Nm
40 Nm
Observe correct tightening sequence
Anchor
45 Nm
Observe correct tightening sequence
Anchor
15 Nm
Tighten in stages and in diagonal sequence
Observe correct tightening sequence
Anchor
Seal
Renew
Oil drain plug, 30 Nm
Balance shaft assembly with eight attachment points - tightening torque and sequence
Tighten bolts in 8 stages in the sequence shown:
Stage
Bolts
Tightening torque/angle specification
1.
1 … 8
hand-tighten
2.
1 … 8
6 Nm
3.
1 … 4
20 Nm
4.
5
13 Nm
5.
6
20 Nm
6.
7
13 Nm
7.
8
20 Nm
8.
1 … 8
Turn 90° further
Balance shaft assembly with six attachment points - tightening torque and sequence
Tighten bolts in 8 stages in the sequence shown:
Stage
Bolts
Tightening torque/angle specification
1.
1 … 6
hand-tighten
2.
1 … 6
6 Nm
3.
1 … 4
20 Nm
4.
5, 6
13 Nm
5.
1 … 6
Turn 90° further
Installation position of thrust washer
Caution
Make sure that the thrust washer
A
does not slip out of the recesses in the balance shaft assembly
arrows
when fitting the idler gear. If this is neglected, the thrust washer can become stuck. If necessary, apply grease to the thrust washer and attach it to the balance shaft assembly.
Oil spray jet and pressure relief valve
Bolt with pressure relief valve, 27 Nm
Oil spray jet (for cooling of pistons)
Removing and installing
oil level and oil temperature sender
G266
Bolt, 10 Nm (self-locking); renew
Seal; renew
Electrical connector
Oil level and oil temperature sender
G266