Dual Mass Flywheel Needle Bearing, Removing And Installing

WARNING: This page is about a different car, the 2013 Audi S4, 2012 Audi S4, 2011 Audi S4, and 2010 Audi S4. However, it is still accessible from the selected car via links, so may be relevant.

Special tools and workshop equipment required

Press Piece - 37mm VW416B
Bearing Installer - Differential Bearing VW511
Press Piece - Bushing - 50mm Diameter VW554
Press Piece - Multiple Use 30-11
Press Piece - Multiple Use 0-23
Bearing Installer - Wheel Bearing 3345
-1- Puller - Kukko Internal - 20-30mm 21/4
-1- Puller - Kukko Internal - 28-37mm 21/5

NOTE:

If the surface of the input shaft is visibly damaged near the needle bearing in the dual mass flywheel -arrow-, then replace both the input shaft and the needle bearing in the dual mass flywheel.

Fig 1: Checking Input Shaft For Wear

Courtesy of AUDI OF AMERICA, LLC

Replace the drive shaft. Refer to TRANSMISSION, DISASSEMBLING AND ASSEMBLING .

Depending on the version, the following bearings are installed in the dual mass flywheel:

Needle bearing -A- that has a complete set of rollers
Needle bearing -B-, that is missing every 4th roller -arrows- does not indicate a faulty needle bearing.
New needle bearings are equipped with rollers.
Ball bearing -C-.
Allocate correct components .

Fig 2: Checking the needle bearing inside the dual mass flywheel on vehicles with 4-cylinder TDI engine (except on the 125 kW TDI)
Courtesy of AUDI OF AMERICA, LLC

Removing

The clutch pressure plate and clutch plate are removed from the dual mass flywheel. Refer to CLUTCH, REMOVING AND INSTALLING, "Single-Disc Clutch - LuK" or CLUTCH, REMOVING AND INSTALLING, DUAL DISC CLUTCH .

Fig 3: Identifying Shaft Seal from the Dual Mass Flywheel, Removal

Courtesy of AUDI OF AMERICA, LLC

-- Tension the Internal Puller -A- behind the sealing lip on the shaft seal -B- and pry out the seal.

A -

Internal Puller 30 to 37 mm, for example, Puller - Kukko Internal - 28-37mm 21/5

Fig 4: Identifying Needle Bearing from the Dual Mass Flywheel, Removal

Courtesy of AUDI OF AMERICA, LLC

CAUTION:

The dual mass flywheel could be damaged.

If the dual mass flywheel is supported on the transfer plate -B-, it will distort and be damaged. The dual mass flywheel must then be replaced.

Always replace the needle bearing after removing from the dual mass flywheel

-- Remove the shaft seal from the dual mass flywheel. Refer to Fig 3.

-- Install the Internal Puller -A- near the seal -arrow- in the needle bearing and tighten down on it.

A -

Puller - Kukko Internal - 20-30mm, for example 21/4

-- Install the Bearing Installer - Clutch Housing/Gearbox Bearing VW554 on the Internal Puller and remove the needle bearing.

Fig 5: Installing Dual Mass Flywheel Needle Bearing

Courtesy of AUDI OF AMERICA, LLC

CAUTION:

The dual mass flywheel could be damaged.

The centering pins on the dual mass flywheel could get damaged when installing the needle bearing.
The dual mass flywheel may be supported only in the center under the needle bearing mount.

-- Remove any grease still on the hole for the needle bearing inside the dual mass flywheel using a dry towel.

NOTE:

Do not use any cleaning solution to clean the hole!

-- Support the dual mass flywheel directly beneath bearing mount using Bearing Installer - Differential Bearing VW511.

-- Install the Press Piece - Multiple Use 30-11 with the small diameter into the needle bearing -A-. The side of the needle bearing with the writing (the larger metal thickness) faces the Thrust Pad.

-- Carefully install the needle bearing all the way in.

Fig 6: Installing Shaft Seal Into Dual Mass Flywheel

Courtesy of AUDI OF AMERICA, LLC

The needle bearing is installed inside the dual mass flywheel.
The open side of the shaft seal faces the transmission.

Attach the clutch pressure plate with the clutch plate to the dual mass flywheel. Refer to CLUTCH, REMOVING AND INSTALLING, "Single-Disc Clutch - LuK" or CLUTCH, REMOVING AND INSTALLING, DUAL DISC CLUTCH .