Front coolant line, 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: Pin Wrench 3212

GW00004001

Courtesy of VOLKSWAGEN UNITED STATES, INC.

Pin wrench 3212

Fig 2: Identifying Hose Clip Pliers Vag 1921

GW00000758

Courtesy of VOLKSWAGEN UNITED STATES, INC.

Hose clamp pliers V.A.G 1921

Removing

Fig 3: Identifying Front Engine Cover

GW00017827

Courtesy of VOLKSWAGEN UNITED STATES, INC.

Remove front engine cover - arrows -.

Fig 4: Identifying Bolts & Air Duct

GW00017848

Courtesy of VOLKSWAGEN UNITED STATES, INC.

Remove bolts - arrows -.
Remove air duct - 1 - and - 2 -.
Drain coolant → Cooling system, draining and filling .
Remove front bumper cover →
- 63 BUMPER
- 63 - BUMPERS for BODY EXTERIOR - CABRIOLET
.

Bring lock carrier into service position →
- 50 BODY, FRONT
- 50 - BODY - FRONT for BODY EXTERIOR - CABRIOLET
.

Fig 5: Pivoting Tensioning Device To Relieve Tension On Ribbed Belt

GW00017906

Courtesy of VOLKSWAGEN UNITED STATES, INC.

NOTE:

Before removing ribbed belt, mark the turning direction on it with chalk or a felt tip pen. A reversed turning direction can cause damage to the belt under operating conditions.

Pivot tensioning device in direction of - arrow - to relieve tension on ribbed belt.
Remove ribbed belt from the coolant pump.
Release tensioner unit

Fig 6: Locating Bolts And Spanner Wrench 3212 To Counter-Hold

GW00017910

Courtesy of VOLKSWAGEN UNITED STATES, INC.

Remove ribbed belt pulley from coolant pump.
When loosening bolts use spanner wrench 3212 to counter-hold.

Fig 7: Disconnecting Coolant Hoses From Front Coolant Pipe

GW00018034

Courtesy of VOLKSWAGEN UNITED STATES, INC.

Disconnect electrical connector - 3 -.
Disconnect coolant hoses - arrows - from front coolant pipe.
Remove bolts - 1 - , - 2 - , - 4 - and - 5 - and remove front coolant pipe.

Installing

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

NOTE:

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

Clean and/or smooth O-ring sealing surface before installing.
Moisten new O-ring with G12+ and push onto coolant pipe.
Install ribbed belt Installing .
Install lock carrier with attachments →
- 50 BODY, FRONT
- 50 - BODY - FRONT for BODY EXTERIOR - CABRIOLET
.

Install front bumper cover →
- 63 BUMPER
- 63 - BUMPERS for BODY EXTERIOR - CABRIOLET
.
Fill with coolant → Cooling system, draining and filling .

Torque specifications

Component	Nm
Front coolant pipe to engine	9
Ribbed belt pulley to coolant pump	20