Assembly overview - sump/oil pump, engine codes CFFA, CFFB, CFGB, CFGC, CLLA — VW

Assembly overview - sump/oil pump, engine codes CFFA, CFFB, CFGB, CFGC, CLLA
Note
Metal shavings or a large quantity of small metal particles found during engine repair could indicate that the crankshaft bearings or conrod bearings are damaged. To avoid any subsequent damage, the following work must be carried out following the repair: Carefully clean oil channels and renew oil spray jets, engine oil cooler and oil filter.
Oil capacities, oil specifications, viscosity grades
Maintenance tables
.
Oil spray jet and pressure relief valve
Fig.
Seal
Permanently attached to drain plug.
Oil drain plug, 30 Nm
Oil sump
Removing and installing
Chapter
9 Nm
Suction line
Clean strainer if soiled.
O-ring
Renew.
Oil pump
Removing and installing
Chapter
Before installing, check that the two 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.
20 Nm + turn 90° further
Renew.
Thrust washer
For intermediate gear wheel.
Renew.
Installation position
Fig.
.
To install intermediate gear wheel, secure to balancer shaft module with grease.
Intermediate gear wheel
Renew.
A coating is applied to the new intermediate gear wheel which sets the correct tooth backlash through wear.
Installation position: Part number must be visible.
Make sure thrust washer is seated correctly
Fig.
.
90 Nm + 90°
With washer.
Renew.
Hub
For intermediate gear wheel.
Renew.
Crankshaft sprocket
Balancer shaft module
Removing
Chapter
Reinstalling previously run balancer shaft module
Chapter
.
Installing new balancer shaft module
Chapter
.
Before installing, check that the two dowel sleeves for centring balancer shaft module on cylinder block are fitted.
M7 = 13 Nm + 90° further; M8 = 20 Nm + 90° further
Renew.
Note tightening sequence: installing new balancer shaft module
Chapter
, reinstalling previously run balancer shaft module
Chapter
.
Dowel sleeves
9 Nm
Oil extraction pipe
9 Nm
Seal
Renew.
Oil level and oil temperature sender
G266
Removing and installing
Chapter
9 Nm
Self-locking.
Renew.
Bolt
Renew.
Specified torque and tightening sequence
Fig.
.
Oil sump - specified torques and installation sequence
Note
Renew oil sump bolts.
Tighten bolts in 3 stages:
Stage
Bolts
Specified torque
1
1 … 20
In diagonal sequence, 5 Nm
2
arrows
40 Nm
3
1 … 20
In diagonal sequence and in stages; final torque 15 Nm
Thrust washer installation position
Caution
Risk of thrust washer slipping behind intermediate gear wheel.
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.