Subframe bushings, replacing

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Special tools, testers and auxiliary items required

Fig 1: Identifying Engine/Transmission Jack V.A.G. 1383 A

Courtesy of VOLKSWAGEN UNITED STATES, INC.

Engine/transmission jack V.A.G 1383 A with universal transmission mount V.A.G 1359/2
Torque wrench V.A.G 1331
Torque wrench V.A.G 1332

Fig 2: Identifying Foot Pump With High Pressure Hose V.A.G 1389 A/1

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Foot pump with high pressure hose V.A.G 1389 A/1

If available in shop, hand pump V.A.G 1389/1 can also be modified for use as a foot pump.

To do so, use conversion kit V.A.G 1389/4.

Special tools, testers and auxiliary items required

Fig 3: Identifying wheel bearing V.A.G 1459 B

Courtesy of VOLKSWAGEN UNITED STATES, INC.

Wheel bearing tool V.A.G 1459 B
Hollow piston cylinder HKZ-15 mit Druckstuck E-0-204-T hydraulisch
Tie bolt E-0-217+218
Special nut E-8-214

Press piece E-5
Press piece T40033/1
Support ring T40033/2
Tube T40033/3

Wheel hub support T40033/4
Press piece T40033/5
Wheel hub support T40033/6
Spindle T40034

Nut T40034/1
Nut T40034/2

NOTE:

The same special tools and workshop equipment can be used to replace subframe mounting on vehicles with front and all wheel drive.
The subframe does not have the usual bonded rubber bushings, but rather has hydraulic bushings.
The bushings can only be removed and installed with the subframe lowered.
Identify bushing location to subframe before removing.

Remove front or rear hydraulic bushings

Remove wheels.
Remove left and right coil spring → Rear coil spring .

Fig 4: Identifying Left/Right Underbody Trim

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Only remove rear left/right underbody trim if front hydraulic mounting will be replaced.

1 - Left underbody trim

Fig 5: Identifying Diagonal Braces

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If present, remove diagonal braces - 1 - and - 2 - → Diagonal braces .

Only with rear hydraulic bushing

Remove stabilizer bar → Stabilizer bar, removing and installing .

Procedure for front and rear hydraulic bushings

Fig 6: Positioning Engine And Transmission Jack V.A.G 1383 A With Universal Transmission Support V.A.G 1359/2 And Corresponding Wooden Block At Subframe Or Final Drive

Courtesy of VOLKSWAGEN UNITED STATES, INC.

Position engine/transmission jack V.A.G 1383 A with universal transmission support V.A.G 1359/2 and a corresponding wooden block at subframe or final drive (Fig. for vehicles with front wheel drive).
Tighten band around subframe or final drive.

NOTE:

If a front hydraulic bushing is to be replaced, only loosen front subframe bolts.
If a rear hydraulic bushing is to be replaced, only loosen rear subframe bolts.
If you loosen an additional front or rear subframe bolt, a vehicle alignment will be necessary after installation.

Loosen front or rear subframe bolts.
Carefully lower subframe approx. 5 cm.
Only remove subframe bolt where hydraulic mounting must be replaced.

Fig 7: Ensuring Ends Of Rubber Beads On Hydraulic Bushing Align With Markings On Subframe

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Mark location of hydraulic mounting - 1 - to subframe - 2 - , e.g. with a felt-tip pen (Fig. shows subframe on front wheel drive vehicle).

Arrow A: Driving direction

Arrows B and C: Marking

Fig 8: Installing Special Tools

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Install special tools as shown in illustration.

1 - Nut T40034/1 or T40034/2

2 - Press piece T40033/1

3 - Support ring T40033/2

4 - Tube T40033/3

5 - Wheel hub support T40033/4

6 - Hollow piston cylinder HKZ-15

7 - Press piece E-5

8 - Special nut E-8-214

9 - Spindle T40034

10- Subframe

Pretension special tool.
Remove hydraulic bushing by operating pump.

NOTE:

When removing hydraulic bushing with special tool wheel bearing tool V.A.G 1459 B , you must cut back.

Pull in front or rear hydraulic bushing

Front and hydraulic bushings are different. Ensure correct allocation when installing.

Hydraulic bushing must be installed in correct direction, note marking on subframe.

Fig 9: Inserting Special Tool With Hydraulic Bushing In Subframe

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Insert special tool with hydraulic bushing in subframe as shown.

Ensure correct location when inserting mount T40033/6.

1 - Nut T40034/1 or T40034/2

2 - Wheel hub support T40033/6

3 - Hydraulic mounting

4 - Press piece T40033/5

5 - Hollow piston cylinder HKZ-15

6 - Press piece E-5

7 - Special nut E-8-214

8 - Spindle T40034

9- Subframe

Pre-tension special tool with hydraulic bushing.
Completely coat hydraulic bushing with installation lubricant G 294 421 A1 -thin with water at a ratio of 1:100-.

Fig 10: Ensuring Ends Of Rubber Beads On Hydraulic Bushing Align With Markings On Subframe

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Ensure ends of rubber beads on hydraulic bushing - 1 - align with markings - arrows B and C - on subframe - 2 -.

- Arrow A - direction of travel

Pull in hydraulic pump to stop by operating pump.

NOTE:

When pulling in hydraulic bushing with special tool V.A.G 1459 B you must cut back.
Ensure hydraulic bushing does not tilt while it is being pulled in, otherwise outer ring could be damaged!

Raise subframe using engine/transmission jack V.A.G 1383 A.
Install new subframe bolts and washers and tighten and (front wheel drive) or and (all wheel drive).

Only rear hydraulic bushing

Install stabilizer bar → Stabilizer bar, removing and installing .

Procedure for front and rear hydraulic bushings

Fig 11: Identifying Diagonal Braces

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If present, install diagonal braces - 1 - and - 2 - → Diagonal braces .
Install right and left underbody trim.
Install left and right coil spring → Rear coil spring .
Mount wheel and tighten. This information is contained in AESIS; Library; Additional Information; Wheels and Tire Guide

Perform vehicle alignment if more than 2 hydraulic bushing bolts were loosened → Wheel alignment .

Alignment must take place on a VW/Audi recommended alignment stand.