Rear sealing flange, removing and installing

WARNING: This page is about a different car, the 2006 Audi A4, 2005 Audi A4, 2004 Audi A4, 2003 Audi A4, and 2002 Audi A4. However, it is still accessible from the selected car via links, so may be relevant.

Required equipment

Drill with plastic brush attachment
Protective glasses
Silicone sealant

Removing

Engine removed

Remove flywheel. Refer to Removing for Dual-mass flywheel or flywheel for automatic transmission 01J or remove drive plate. Refer to Removing for Drive plate for automatic transmission 01V.
Remove oil pan (upper part). Refer to Oil pan (upper part), removing and installing .

Fig 1: Unbolting Rear Sealing Flange

Courtesy of VOLKSWAGEN UNITED STATES, INC.

Unbolt rear sealing flange (arrow).

Fig 2: Using Rotating Plastic Brush To Remove Remaining Sealant From Rear Sealing Flange And At Cylinder Block

Courtesy of VOLKSWAGEN UNITED STATES, INC.

Using rotating plastic brush, remove remaining sealant from rear sealing flange and at cylinder block.

WARNING:

Wear protective glasses.

Clean sealing surfaces so they are completely free of any oil or grease.

Installing

Installation is reverse of removal, noting the following:

NOTE: The rear sealing flange must be installed within 5 minutes after application of silicon sealant.

Fig 3: Cutting Tube Nozzle At Front Marking

Courtesy of VOLKSWAGEN UNITED STATES, INC.

Cut tube nozzle at front marking (jet diameter approx. 1 mm).

Fig 4: Applying Silicone Sealant Bead To Clean Sealing Surfaces Of Sealing Flange

Courtesy of VOLKSWAGEN UNITED STATES, INC.

Apply silicone sealant bead to clean sealing surfaces of sealing flange as shown in illustration.

Thickness of sealant bead (arrows): approx. 1.5 mm

NOTE: Sealant bead must not be thicker than specified, otherwise sealant could get into oil pan and clog the oil pump strainer.

To install, slide guide sleeve from kit onto crankshaft.
Remove oil pan (upper part). Refer to Removing .
Install flywheel. Refer to Installing for Dual-mass flywheel or flywheel for automatic transmission 01J or install drive plate. Refer to Installing for Drive plate for automatic transmission 01V.

Tightening torque

Component	Nm
Rear sealing flange to cylinder block	10