Dual Mass Flywheel Needle Bearing

Dual Mass Flywheel Needle Bearing

• 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.






• Replace the driveshaft, refer to => [ Transmission ] Transmission.

Depending on the version, there are different needle bearings installed in the dual mass flywheel.

• Needle bearing that have rollers

• Needle bearings, that have every 4th roller missing - arrows - does not mean the needle bearing is faulty.






• New needle bearings are equipped with rollers.

Special tools, testers and auxiliary items required

• Tube 37 mm Dia. (VW 416B)

• Thrust Pad (VW 511)

• Arbor Thrust Piece (VW 554)

• Thrust Pad (30-11)

• Press Tube (30-23)

• Press Tool (3345)

• Internal Puller (Kukko 21/4)

• Internal Puller (Kukko 21/5)

Removing

• The clutch pressure plate and clutch plate are removed from the dual mass flywheel. Refer to => [ Clutch Pressure Plate and Clutch Plate, LuK, Single-Disc Clutch ] Clutch Pressure Plate and Clutch Plate, LuK, Single-Disc Clutch or => [ Clutch Pressure Plate and Clutch Disk for the Dual-Disk Clutch ] Clutch Pressure Plate and Clutch Disk For the Dual-Disk Clutch.

Removing the Shaft Seal from the Dual Mass Flywheel





- 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, (Kukko 21/5)

Removing the Needle Bearing from the Dual Mass Flywheel






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 => [ Removing the Shaft Seal from the Dual Mass Flywheel ].

- Install the internal puller - A - near the seal - arrow - in the needle bearing and tighten it down.

A Internal puller 23.5 to 30 mm , for example, (Kukko 21/4)

- Install the thrust piece on the internal puller and remove the needle bearing.

Installing the Dual Mass Flywheel Needle Bearing






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.

• Do not use any cleaning solution to clean the hole!

- Support the dual mass flywheel directly beneath bearing mount using (VW 511).

- Install the (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.

Installing the Shaft Seal into the Dual Mass Flywheel





• 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 Pressure Plate and Clutch Plate, LuK, Single-Disc Clutch ] Clutch Pressure Plate and Clutch Plate, LuK, Single-Disc Clutch or => [ Clutch Pressure Plate and Clutch Disk for the Dual-Disk Clutch ] Clutch Pressure Plate and Clutch Disk For the Dual-Disk Clutch.