Left coolant pipes, 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 Hose Clip Pliers Vag 1921

Courtesy of VOLKSWAGEN UNITED STATES, INC.

Hose clamp pliers V.A.G 1921

Removing

Fig 3: Identifying Front Engine Cover

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Remove front engine cover - arrows -.

Fig 4: Identifying Bolts & Air Duct

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Remove bolts - arrows -.
Remove air duct - 1 - and - 2 -.

Fig 5: Locating Fasteners Exhaust Pipe

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

Fig 6: Identifying Quick-Release Fasteners And Noise Insulation

Courtesy of VOLKSWAGEN UNITED STATES, INC.

Loosen quick-release fasteners - 1 - and - 2 - and remove front noise insulation. Rear section of noise insulation remains installed.
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
.
Remove oil cooler → Oil cooler, removing and installing .

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.

Fig 7: Pivoting Tensioning Device To Relieve Tension On Ribbed Belt

Courtesy of VOLKSWAGEN UNITED STATES, INC.

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

Fig 8: Separating Connector For Wiring To Air Conditioning Compressor Clutch Solenoid

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Separate connector - 1 - for wiring to air conditioning compressor clutch solenoid.

CAUTION: The air conditioning refrigerant circuit must not be opened.

Remove air conditioning compressor from bracket - arrows -.

NOTE:

To prevent damage to the refrigerant lines/hoses, ensure that the lines and hoses are not stretched, kinked or bent.

Hang up air conditioning compressor with attached lines on left side of vehicle.

Fig 9: Removing Bolts And Air Conditioning Compressor Bracket

Courtesy of VOLKSWAGEN UNITED STATES, INC.

Remove bolts - arrows - and remove air conditioning compressor bracket.

Fig 10: Removing Bolts And Coolant Pipe From Engine

Courtesy of VOLKSWAGEN UNITED STATES, INC.

Remove bolts - arrows - and remove coolant pipe from engine - 2 -.

NOTE:

Ignore - 1 -.

Installing

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

NOTE:

Replace 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 A/C compressor → 87 AIR CONDITIONING .
Install ribbed belt Installing .

Install oil cooler → Oil cooler, removing and 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
Coolant pipes to engine	9
Bracket for A/C compressor to cylinder block	20