Audi Workshop Service and Repair Manuals

Special tools and workshop equipment required

• ◆ 3291 Assembly device
• ◆ 3291/a1 from assembly device
• ◆ 3291/a2 from assembly device
• ◆ 3291/a3 from assembly device
• ◆ 3291/a4 from assembly device
• ◆ 3291/a5 from assembly device

Notes:

• ◆ Loadbearing and suspension elements are not to be welded and straightened.
• ◆ Bolted joints are only to be hand-tightened with power tools.

• Subframe
• ◆ Tightening sequence => -Item 4-
• ‒ 1. Rear right
• ‒ 2. Rear left
• ‒ 3. Front right
• ‒ 4. Front left
• ◆ Performing wheel alignment after removal and installation of subframe

• Bonded rubber bush
• ◆ Extracting front bush =>Fig.1
• ◆ Fitting front bush => Fig.2
• ◆ Extracting rear bush=>Fig.3
• ◆ Fitting rear bush => Fig.4
• ◆ Installation position => Fig. 5

Note:

Apply assembly lubricant G 294 421 A1 before fitting

• Packing plate
• ◆ Always replace
• ◆ Ribbed side faces upwards
• Hexagon combi bolt
• ◆ Always replace
• ◆ 110 Nm + further 90° turn

→ Fig.1    Extracting front bonded rubber bush from subframe

• ‒ Apply tube 3291/4 (heed recesses) with threaded stem 3291 to subframe at right angles.
• ‒ Position the two brass washers with annular grooves next to one another on threaded stem 3291. Attach packing plate and screw on hexagon nut. Extract bonded rubber bush by turning hexagon nut.

Note:

Insert hexagon head of threaded stem 3291 in recess of tube 3291/4. Grease annular grooves of brass washers and threaded stem.

→ Fig.2    Fitting front bonded rubber bush in subframe

Use lubricant G 294 421 A1, for example, when pressing in bonded rubber bushes.

• ‒ Position thrust pad 3291/1 on bonded rubber bush and insert with tube 3291/5 (heed recesses) and threaded stem 3291 in subframe hole at right angles.
• ‒ Position the two brass washers with annular grooves facing one another on threaded stem 3291.
• ‒ Attach packing plate and screw on hexagon nut.
• ‒ Draw in bonded rubber bush as far as it will go by turning hexagon nut; whilst doing so, hold thrust pad 3291/1 and bonded rubber bush by hand to prevent turning.

Note:

Insert hexagon head of threaded stem 3291 in recess of tube 3291/5. Grease annular grooves of brass washers and threaded stem.

→ Fig.3    Extracting rear bonded rubber bush from subframe

• ‒ Apply tube 3291/2 with threaded stem 3291 at right angles to subframe. Position the two brass washers with annular grooves next to one another on threaded stem 3291. Attach packing plates and screw on hexagon nut. Extract bonded rubber bush by turning hexagon nut.

Note:

Insert hexagon nut of threaded stem 3291 in recess of tube 3291/2. Grease annular grooves of brass washers and threaded stem.

→ Fig.4    Fitting rear bonded rubber bush in subframe

Use lubricant G 294 421 A1, for example, when pressing in bonded rubber bushes.

• ‒ Position thrust pad 3291/1 on bonded rubber bush and insert with tube 3291/3 and threaded stem 3291 in subframe hole at right angles.
• ‒ Position the two brass washers with annular grooves next to one another on threaded stem 3291.
• ‒ Attach packing plate and screw on hexagon nut.
• ‒ Draw in bonded rubber bush as far as it will go by turning hexagon nut; whilst doing so, hold thrust pad 3291/1 and bonded rubber bush by hand to prevent turning.

Note:

Insert hexagon head of threaded stem 3291 in recess of tube 3291/3. Grease annular grooves of brass washers 3291/1 and threaded stem.

→ Fig.5    Installation position of bonded rubber bushes in rear subframe

Note:

Kidney-shaped recesses (arrows) must be facing in direction of vehicle longitudinal axis. Deviations of max. 10° to left or right are permissible.