Replacing bonded rubber bushes for wishbone — VW

The following description deals with the Audi TT 1999 ä. Therefore differences must be considered, if necessary.

There are various wishbone versions =>See parts catalogue

The same version must always be installed on the left and right.

Workshop press V.A.G 1290 A is used for pressing out.

Note for pressing in:

Never use grease.

Use assembly lubricating oil G 294 421 A1 when pressing in.

Mixing ratio: Assembly lubricating oil : water, 1:9;

This lubricating oil is acid-free and penetrates the rubber after a short time (diffuses).

It leaves a light, sticky film which ensures firm seating of the bush.

Most conventional greases/oils contain acid and cause a film of lubricant to form.

This may affect the rubber, or cause the entire bush in the wishbone to become twisted instead of the rubber alone when the vehicle is compressed or rebound.

Instructions apply for vehicles in which the rear bush in the direction of travel (larger bush) is a solid bush.

The number 8N0 407 165

or 8N0 407 166 must be marked on the wishbone.

Pressing out front bush for wishbone

Press out the bush.

Pressing in front bush for wishbone

Note the installation position of the bush

Press in the bush (arrow).

Pressing out and pressing in rear bush for wishbone

Press in the bush.

Instructions apply for vehicles in which the rear bush in the direction of travel (larger bush) is a bush with recesses (kidney-shaped, see Fig. A40-0446).

The number 8N0 407 157

or 8N0 407 158 must be marked on the wishbone.

Workshop press V.A.G 1290 A is used for pressing out.

Pressing out front bush for wishbone

In order to create a contact surface, cut off the outer rubber bead of the bush.
Support the wishbone with this contact surface on the plate - VW 402 -.
Press out bush

Note for pressing in:

Never use grease.

Use assembly lubricating oil G 294 421 A1 when pressing in.

Mixing ratio: Assembly lubricating oil : water, 1:9;

This lubricating oil is acid-free and penetrates the rubber after a short time (diffused).

It leaves a light, sticky film which ensures firm seating of the bush.

Most conventional greases/oils contain acid and cause a film of lubricant to form.

This may affect the rubber, or cause the entire bush in the wishbone to become twisted instead of the rubber alone when the vehicle is compressed or rebound.

Pressing in front bush for wishbone

Support the wishbone eye on a flat surface.
Initially press the bush to the stop.

Then press the bush further until the rubber bead on the underside is completely visible -arrow-.

Installation position of rear bush in left wishbone

A - part number

B - "kidney", larger kidney points forwards in the direction of travel

C - machined surface, press in bush flush with this surface.

F - Direction of travel

Note different shapes of kidneys - arrows -.

Installation position of rear bush in right wishbone

A - part number

B - "kidney", larger kidney points forwards in the direction of travel

C - machined surface, press in bush flush with this surface.

F - Direction of travel

Note different shapes of kidneys - arrows -.

Pressing out and pressing in rear bush for wishbone

Use the special tools illustrated and press the bush out/in.