Coolant pump, removing and installing

WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2009 Audi S4, 2008 Audi S4, 2007 Audi S4, 2006 Audi S4, and 2005 Audi S4. However, it is still accessible from the selected car via links, so may be relevant.

Removing

Bring lock carrier into service position → Lock carrier, moving into service position .
Remove front coolant pipe → Front coolant pipe, removing and installing .

Fig 1: Disconnecting Lower Coolant Hose From Radiator

Courtesy of VOLKSWAGEN UNITED STATES, INC.

Disconnect lower coolant hose from radiator - arrow - and drain residual coolant.

Fig 2: Removing Bolts & Coolant Regulator Housing

Courtesy of VOLKSWAGEN UNITED STATES, INC.

Disconnect coolant hoses at coolant regulator housing.
Remove bolts - arrows -.
Remove coolant regulator housing.

Fig 3: Identifying Coolant Hose & Coolant Pump Housing Bolts

Courtesy of VOLKSWAGEN UNITED STATES, INC.

Disconnect - 1 -.
Remove bolts - arrows -.
Remove coolant pump housing toward front, pay attention to drive shaft for coolant pump while doing this.

Fig 4: Removing/Installing Drive Shaft For Coolant Pump From Oil Pump

Courtesy of VOLKSWAGEN UNITED STATES, INC.

Remove drive shaft - arrow - for coolant pump from guide on oil pump.

Fig 5: Removing Bolts & Coolant Pump From Housing

Courtesy of VOLKSWAGEN UNITED STATES, INC.

Remove bolts - arrows -.
Remove coolant pump - 2 - from housing - 1 -.

Installing

NOTE:

Replace seals and O-rings.
Secure all hose connections using hose clamps appropriate for the model type .

Fig 6: Removing/Installing Drive Shaft For Coolant Pump From Oil Pump

Courtesy of VOLKSWAGEN UNITED STATES, INC.

Insert drive shaft - arrow - for coolant pump into oil pump mount on engine.
Slide coolant pump into mounts on upper section of oil pan.

NOTE:

To connect drive flange onto hex head of drive shaft, reach with the finger into the lower pipe connection of coolant pump and twist at impeller until coolant pump can be inserted completely.

The rest of installation is in reverse order of removal, note the following:

Install coolant regulator → Coolant thermostat, removing and installing .
Install front coolant pipe → Front coolant pipe, removing and installing .
Install lock carrier with attachments →
- 50 BODY, FRONT
- 50 - BODY - FRONT for BODY EXTERIOR - CABRIOLET
.

Fig 7: Placing Torque Support On Rubber Buffer For Torque Support

Courtesy of VOLKSWAGEN UNITED STATES, INC.

Place torque support on rubber buffer for torque support and tighten bolts - arrows -.
Install front bumper cover →
- 63 BUMPER
- 63 - BUMPERS for BODY EXTERIOR - CABRIOLET
.
Fill with coolant Filling .
Check headlight adjustment →
- 01 - MAINTENANCE
- 01 - MAINTENANCE for MAINTENANCE PROCEDURES - CABRIOLET
.

Torque specifications

Component	Nm
Coolant pump to housing	10
Coolant pump housing to upper section of oil pan	10
Torque support stop to lock carrier	28