Assembly overview - sump/oil pump, vehicles with balancer shaft module — VW

Assembly overview - sump/oil pump, vehicles with balancer shaft module
Oil sump
Removing and installing
Chapter
Specified torque and tightening sequence
Fig.
.
Bolt
10 Nm
Suction hose
Clean strainer if soiled.
Bolt
10 Nm
O-ring
Renew after removing
Oil pump
Removing and installing
Chapter
Before installing, check that both dowel sleeves for centring oil pump on balancer shaft module are fitted.
Drive shaft for oil pump
Circlip
Must lie in base of groove.
Renew damaged or over-tensioned circlip.
Spur gear for balancer shaft
Bolt
Renew after removing
20 Nm + 90°
Hub
For intermediate gear wheel.
Renew after removing
Bolt
Renew after removing
90 Nm + 90°
Thrust washer
For intermediate gear wheel.
Renew after removing
Note installation position
Fig.
.
Intermediate gear wheel
Renew after removing
The new intermediate gear wheel has coating which wears down until the correct tooth backlash is attained.
Caution
When installing the intermediate gear wheel, ensure that the thrust washer is seated correctly
Fig.
.
Installation position: part number must be visible.
Installing
Chapter
.
Thrust washer
For intermediate gear wheel.
Renew after removing
Note installation position
Fig.
.
If necessary, attach to housing with grease when installing intermediate gear wheel
Spur gear for crankshaft
Renew if signs of wear are found
Chapter
Balancer shaft module
Removing
Chapter
Installing new balancer shaft module
Chapter
.
Reinstalling previously run balancer shaft module
Chapter
.
Before installing, check that the two dowel sleeves for centring balancer shaft module on cylinder block are fitted.
Bolt
Renew after removing
Note tightening sequence: installing new balancer shaft module
Chapter
, reinstalling previously run balancer shaft module
Chapter
.
M7 = 13 Nm + 90°
M8 = 20 Nm + 90°
Oil extraction pipe
Bolt
10 Nm
Bolt
40 Nm
Bolt
45 Nm
Bolt
Tighten in stages and in diagonal sequence.
15 Nm
Seal
Permanently attached to drain plug
Oil drain plug
With seal.
Renew after removing
30 Nm
Oil spray jet and pressure relief valve
Bolt with pressure relief valve
Oil spray jet (for cooling of pistons)
Specified torque
Component
Specified torque
Bolt with pressure relief valve
27 Nm
Thrust washer installation position
Caution
When installing intermediate gear wheel, make sure that thrust washer
A
does not slip out of balancer shaft module indentations
arrows
and subsequently become jammed. If necessary, fix in place with grease on balancer shaft module.
Oil sump - specified torques and installation sequence
Renew bolts for oil sump.
Tighten bolts in diagonal sequence in 3 stages as follows:
Tighten bolts
1 … 20
in diagonal sequence initially to 5 Nm.
Tighten bolts
arrows
of sump-to-gearbox connection to 40 Nm.
Tighten bolts
1 … 20
in diagonal sequence to 15 Nm.