Removing Front Spring Strut
WARNING:
Wheel bearing housing raised incorrectly
- Risk of squashing
- Risk of damage to components
→ Wear personal protective gear.
→ Do not raise the wheel suspension higher than the normal vehicle position (vehicle resting on wheels).
Steel spring strut
Information
Secure upper trailing arm with the spring compressor VW 552 (pre-tension slightly). This must be done immediately before loosening the spring strut from the lower trailing arm. This prevents damage to the ball joint on the upper trailing arm as a result of the weight of the wheel bearing housing.
- Secure spring compressor VW 552 at the top. → Securing spring compressor on front axle, top
- Secure spring compressor VW 552 at the bottom. → Securing spring compressor on front axle, bottom
- Remove linkage -1- for headlight levelling system sensor on the upper trailing arm. -arrow-
- Release and disconnect plug connection for rpm sensor at the wheel carrier on both sides. → Rpm sensor connector
- Disconnect plug-in coupling for brake pad wear indicator -1- and detach it from the holder -2- .
- Loosen fastening screws -arrows- on the brake calliper, but do not unscrew and remove fully.
- Remove air guide -1- on the lower trailing arm.
- Press upper trailing arm off the wheel bearing housing.
- 6.1. Secure the wheel bearing housing to prevent it from falling down (second mechanic required).
- 6.2. Loosen fastening nut -1- (do not remove completely). When doing this, leave lock nut flush on the ball pin so as not to damage the thread.
- 6.3. Ball joint puller T40010 must be positioned over the ball joint and fitted on the fastening nut.
- 6.4. Screw in hexagon on the ball joint puller T40010 until the ball joint becomes detached from the cone.
- Press tie-rod ball -1-
off the wheel bearing housing.
- 7.1. Loosen fastening nut -3- (do not remove completely). When doing this, leave lock nut flush on the ball pin so as not to damage the thread.
- 7.2. Ball joint puller T10187 -2- must be positioned over the tie-rod ball -1- and fitted on the fastening nut -3- .
- 7.3. Screw in hexagon on the ball joint puller T10187 until the tie-rod ball -1- becomes detached from the cone.
- 7.4. Remove fastening nut -3- and take tie-rod ball out of the cone.
- Loosen connecting link from the spring strut.
Conventional connecting link:
Loosen the top fastening nut -1- .
Remove fastening screw -3- .
Courtesy of PORSCHE CARS NORTH AMERICA, INC.
PDCC connecting link:
Loosen the top fastening nut -1- .
Counter at the ball pin using a screwdriver 9546 .
- For all-wheel drive vehicles: Loosen drive shaft at the transmission side.
- 9.1. Use a protective tube (shop-made) -1- for the drive shaft.
- 9.2. Loosen fastening screws -arrows- using socket insert XZN 10 T10501 .
- Remove fastening screw on lower spring strut.
- 10.1. Remove fastening screw on lower spring strut -arrows- .
- 10.2. To do this, use a suitable lift -lift with rubber base- (to prevent slipping) to raise the wheel carrier so that the screw can be unscrewed easily. (Secure spring compressor VW 552 to prevent it from falling down!).
- Remove brake calliper and hang it in the wheel housing.
- 11.1. Loosen fastening screws -arrows- on the brake calliper, but do not remove the brake line. (Do not open the brake system!)
- 11.2. A second worker must remove the fastening nut from the upper trailing arm and tilt the wheel bearing housing out slightly.
- 11.3. Guide the brake calliper through between the spring strut and wheel bearing housing and suspend it at a suitable position in the wheel housing. Secure the wheel carrier to prevent it from tipping over using welding wire for example.
- Remove fastening screws -arrows- on spring strut at the top.
- Carefully remove the spring strut.
- 13.1. Carefully tilt the wheel bearing housing.
- 13.2. Get a second worker to remove the spring strut. → Removing spring strut