Subframe Bonded Rubber Bushing and Hydraulic Bonded Rubber Bushing, Replacing

Subframe Bonded Rubber Bushing and Hydraulic Bonded Rubber Bushing, Replacing

Special tools, testers and auxiliary items required

• Torque Wrench 50-200 Nm (V.A.G 1332)

• Engine-/Gearbox Jack (V.A.G 1383 A) With Universal Transmission Support (V.A.G 1359/2)

• Hydraulic Press (VAS 6178)

• Pneumatic/Hydraulic Foot Pump (VAS 6179)

• Assembly Tool (T10205)

• Assembly Tool (T10263)

• Assembly Tool (T40033)

• Assembly Tool (T40185)

• Support Arm Bearing Inst. Tool (3346)

• Support Arm Bearing Inst. Tool (3346/3)

• Assembly Tool (3301)

• Support (T10205/13)

• If a bonded rubber bushing is faulty, then the bonded rubber bushing on the opposite side must also be replaced. For the correct allocation, refer to the Parts Catalog.

• Check the other bushings before replacing a faulty bonded rubber bushing.

• If cracks, oil leaks or other damage is visible, this bonded rubber busing must be replaced too.

• There are different versions, depending on the model, either a conventional bonded rubber bushing or a hydraulic one => [ Front Bonded Rubber Bushing ] Subframe, Stabilizer Bar and Coupling Rod Overview => [ Rear Bonded Rubber Bushing ] Subframe, Stabilizer Bar and Coupling Rod Overview. Allocation, refer to the Parts Catalog

- Place the vehicle on a hoist.

- Remove the wheels.

- Remove the coil springs. Refer to => [ Coil Spring ] Service and Repair.

• In order to replace the rubber bonded bushing, the subframe must be lowered either at the front or at the rear. It is not necessary to remove the subframe.

• Lower the subframe alternating between the front and rear. This avoid having to perform an axle alignment.

• Do not lower the subframe more then 4 cm.

• Identify mounting location to subframe before removing the bonded rubber bushing.

Replace the front bonded rubber bushing or the front hydraulic bonded rubber bushing.

Applies to All

- Remove the cover - 1 and 2 -.

- Place (V.A.G 1383 A) with (V.A.G 1359/2) - 1 - under the subframe.

- Place a block of wood - 2 - under the subframe - 1 -.

- Remove the left and right bolts - 1 and 2 -.

- Remove the left and right supports - 3 -.

- Install the spindle (3346/2) and (3301) and (3346/3) approximately 1.5 cm into the body on the opposite side of the bonded rubber bushing to be replaced as illustrated.

1. Assembly tool (3301)

2. Support arm bearing installation tool (3346/3)

3. Spindle (3346/2)

• Turn (3346/3) on the (3346/2) until dimension - a - 4 cm is reached.

- Lower the subframe only 4 cm.

Applies to a Hydraulic Bonded Rubber Bushing

- Remove the plastic insert - 1 - upward as illustrated.

Applies to All

- Mark the installation position of the bonded rubber bushing or the hydraulic bonded rubber bushing on the subframe - arrows -.

The illustration shows a hydraulic bonded rubber bushing. On a conventional bonded rubber bushing, the recesses on the rubber shoulders are turned 90°.

- If necessary, the support - arrow - with the small interior diameter must be removed from the Hydraulic Cylinder (VAS 6178) and the Support (T10205/13) for that installed.

- Place the tools on the front bonded rubber bushing as shown in the illustration.

1. Nut (T10263/5)

2. Press piece (T40185/5) The opening faces the rubber bonded bushing.

3. Subframe

4. Support Ring (T40185/6). The conical side must face upward and the ribs must fit into the openings in the rubber bonded bushing.

5. Tube (T40033/3)

6. Support ring (T10205/4)

7. Hydraulic cylinder (VAS 6178)

8. Nut (T10263/5)

9. Spindle (T10263/4). The spindle pins face downward.

• Secure (VAS 6178) while pressing out.

• Bonded rubber bushing loosens abruptly. There is the risk of injuries by tools and bonded rubber bushing coming off!

Installation Location of Front Bonded Rubber Bushing

The grooves - arrows - point in direction of travel.

• - A - conventional bonded rubber bushing

• - B - hydraulic bonded rubber bushing

- Place the tools on the front bonded rubber bushing as shown in the illustration.

1. Nut (T10263/5)

2. Thrust Piece (T40185/4)

3. Subframe

4. Bonded rubber bushing or the hydraulic bonded rubber bushing

5. Thrust Piece (T40185/3)

6. Support ring (T10205/4)

7. Hydraulic cylinder (VAS 6178)

8. Nut (T10263/5)

9. Spindle (T10263/4). The spindle pins face downward.

- Align the bonded rubber bushing with the markings made previously and push it in until the collar comes in contact with the bushing in the subframe without any gaps. If necessary, tension and press over cylinder several times. While pulling in, make sure the bonded rubber bushing does not cant, otherwise outer ring could be damaged.

- The ends of the rubber bead on the bonded rubber bushing must align with the markings - arrows - on the subframe.

The illustration shows a hydraulic bonded rubber bushing. On a conventional bonded rubber bushing, the recesses on the rubber shoulders are turned 90°.

• After replacing the bearing, fix any paint damage on the subframe with corrosion protection, primer and black top coat.

Install in reverse order of removal.

Replace the rear bonded rubber bushing or the rear hydraulic bonded rubber bushing.

Applies to All

- Loosen the nuts on both rear muffler brackets but only as far as to where the thread begins.

- Place (V.A.G 1383 A) with (V.A.G 1359/2) - 1 - under the subframe.

- Place a block of wood - 2 - under the subframe - 1 -.

- Remove the rear subframe bolts - item 17 - => [ (Item 17) Bolt ] Subframe, Stabilizer Bar and Coupling Rod Overview.

- Install the (3346/2) and (3301) and (3346/3) approximately 1.5 cm into the body on the opposite side of the bonded rubber bushing to be replaced as illustrated.

1. Assembly tool (3301)

2. Support arm bearing installation tool (3346/3)

3. Spindle (3346/2)

• Turn (3346/3) on the spindle (3346/2) until dimension - a - 4 cm is reached.

- Lower the subframe 4 cm only.

Applies to a Hydraulic Bonded Rubber Bushing

- Carefully pry the anti-twist mechanism - 1 - off the hydraulic bonded rubber bushing with a screwdriver near the retaining tab. Do this in several steps alternating from side to side.

- Remove the plastic insert - 1 - upward as illustrated.

Applies to All

- Place the tools on the front bonded rubber bushing as shown in the illustration.

1. Nut (T10263/5)

2. Thrust piece (T40185/5). The opening faces the rubber bonded bushing.

3. Subframe

4. Support ring (T40185/6). The conical side must face upward and the ribs must fit into the openings in the rubber bonded bushing.

5. Tube (T40033/3)

6. Support ring (T10205/4)

7. Hydraulic cylinder (VAS 6178)

8. Nut (T10263/5)

9. Spindle (T10263/4). The spindle pins face downward.

• Secure (VAS 6178) while pressing out.

• Bonded rubber bushing loosens abruptly. There is the risk of injuries by tools and bonded rubber bushing coming off!

Installation Location of Rear Bonded Rubber Bushing

• - A - conventional bonded rubber bushing, the arrow point in the drive direction

• - B - hydraulic bonded rubber bushing, the anti-twist element - 1 - is perpendicular to direction of travel, - arrow - points in direction of travel

Applies to a Hydraulic Bonded Rubber Bushing

Before installing the front hydraulic bonded rubber bushing, carefully pry the anti-twist mechanism - 1 - off the bushing with a screwdriver near the retaining tab - arrows -. Do this in several steps alternating from side to side.

Applies to All

- Place the tools on the rear bonded rubber bushing as shown in the illustration.

1. Nut (T10263/5)

2. Thrust piece (T40185/4)

3. Subframe

4. Bonded rubber bushing or the hydraulic bonded rubber bushing

5. Thrust piece (T40185/3)

6. Support ring (T10205/4)

7. Hydraulic cylinder (VAS 6178)

8. Nut (T10263/5)

9. Spindle (T10263/4). The spindle pins face downward.

- Align the bonded rubber bushing with the markings made previously and push it in until the collar comes in contact with the bushing in the subframe without any gaps. If necessary, tension and press over cylinder several times. While pulling in, make sure the bonded rubber bushing does not cant, otherwise the outer ring could be damaged.

- The ends of the rubber bead on the bonded rubber bushing must align with the markings - arrows - on the subframe.