Ball Joint: Service and Repair
Ball Joint
Special tools, testers and auxiliary items required
• Hub puller (3283)
• Ball joint puller (3287 A)
• Engine/transmission jack (V.A.G 1383 A )
• Angle measuring wrench (V.A.G 1756)
Removing
- Lift vehicle enough that the front axle is no longer burdened.
- Remove 12 point nut.
- Remove sound insulation pan - arrows -.
- Remove left sound insulation - arrows -.
With TDI Engine
- Remove charge air pipe between charge air cooler and turbocharger.
Continuation for All
- Remove right sound insulation panel.
- Mark installation position of ball joint bolts on control arm.
- Remove bolts - arrows -.
- Press out drive axle. Using tool as shown in illustration.
• Be sure there is sufficient room when pressing drive axle out.
- Pull out wheel bearing housing with ball joint from control arm.
- Swivel suspension strut outward and support e.g. using block of wood- 1 -, while pulling drive axle out of wheel bearing.
- Fasten drive axle to body with wire.
Drive axle must not hang down!
Otherwise inner joint is damaged by excessive bending.
- Remove nut from ball joint.
- Install ball joint puller (3287 A) as shown in illustration and press out ball joint.
CAUTION!
• Place engine/transmission jack (V.A.G 1383 A ) underneath (danger of accident if parts fall off when ejecting ball joint).
• To protect ball joint thread, leave nut on a few turns.
Installing
- Insert ball joint into wheel bearing housing.
- Install new self-locking nut, counter hold with internal Torx T40.
1 Internal Torx T40
2 Box wrench insert or open end wrench insert (Illustration V40-1323 below)
3 Torque wrench (V.A.G 1331 )
- Insert drive axle.
- Bolt ball joint with control arm with new bolts to old impression.
Always use new bolts.
1 Box wrench insert (commercial type, 18 mm)
2 Open end wrench insert (commercial type, 18 mm)
• Ensure that boot is not damaged or twisted.
- Install wheel and tighten => [ Wheel Bolt Tightening Specifications ] [1][2]Specifications.
- Tighten 12 point nut => [ Tightening Specifications ] Drive Axle with CV Joint and Triple Roller Joints AAR 2000 and AAR 2900.
Tightening specifications => [ Front Suspension Tightening Specifications ] Front Suspension.