Coolant pump, removing and installing

WARNING: This page is about a different car, the 2009 Audi A4, 2008 Audi A4, 2007 Audi A4, 2006 Audi A4, and 2005 Audi A4. However, it is still accessible from the selected car via links, so may be relevant.

Special tools, testers and auxiliary items required

Fig 1: Drip Tray For VAS 6100, VAS 6208

Courtesy of VOLKSWAGEN UNITED STATES, INC.

Drip tray for workshop crane VAS 6208

Fig 2: Identifying Spring-Type Clip Pliers VAS 5024 A

Courtesy of VOLKSWAGEN UNITED STATES, INC.

Spring-type clip pliers VAS 5024 A

Removing

CAUTION: Cover cap of expansion tank with rag and open carefully, as hot steam or hot coolant may escape when opening.

Open cap of coolant expansion tank.

Fig 3: Removing Engine Cover

Courtesy of VOLKSWAGEN UNITED STATES, INC.

Remove engine cover - arrows -.

Fig 4: Identifying Exhaust Pipe Fasteners

Courtesy of VOLKSWAGEN UNITED STATES, INC.

For vehicles with auxiliary heater, remove bolts - arrows - for exhaust pipe of parking heater/auxiliary heater on noise insulation.

Fig 5: Identifying Quick-Release Fasteners And Noise Insulation

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Loosen quick-release fasteners - 1 - and - 2 - and remove front noise insulation.
Drain engine coolant → Cooling system, draining and filling
Remove toothed belt → Toothed belt, removing and installing

Fig 6: Identifying New O-Ring, Coolant Pump & Securing Bolts

Courtesy of VOLKSWAGEN UNITED STATES, INC.

Remove coolant pump securing bolts - 1 - and remove coolant pump - 2 -.
Remove O-ring - 3 -.

Installing

Installation is in reverse order of removal, note the following:

Clean and/or smooth O-ring sealing surface.

Fig 7: Identifying New O-Ring, Coolant Pump & Securing Bolts

Courtesy of VOLKSWAGEN UNITED STATES, INC.

Moisten new O-ring - 3 - with coolant G12+.
Insert coolant pump - 2 -.

Installed location: Sealing plug in housing points downward

Tighten bolts - 1 - of coolant pump to 15 Nm.
Install toothed belt → Toothed belt, removing and installing .
Install ribbed belt → Ribbed belt, removing and installing .
Fill with coolant → Cooling system, draining and filling .

Install lock carrier with attachments →
- 50 BODY, FRONT
- 50 - BODY - FRONT for BODY EXTERIOR - CABRIOLET
.

Fig 8: Identifying Lock Carrier With Attachments

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Place torque support stop onto rubber buffer for torque support under its own weight and tighten nuts - arrows -.
Install front bumper cover →
- 63 BUMPER
- 63 - BUMPERS for BODY EXTERIOR - CABRIOLET
.
Check headlight adjustment →
- 01 - MAINTENANCE
- 01 - MAINTENANCE for MAINTENANCE PROCEDURES - CABRIOLET
.

Torque specifications

Component		Nm
Coolant pump to cylinder block		15
Toothed belt guard to cylinder block		10 ¹⁾
Torque support stop		28
¹⁾ Insert with locking fluid