Anti-Roll Bar Front, Replacing
Replacing the front anti-roll bar
Special tools:
999 5716 Reading off tool 999 5716 Reading Off Tool
999 5460 Lifting hook 999 5460 Lifting Hook
999 5972 FIXTURE 999 5972 Fixture
999 5045 COMPRESSION HOOK 999 5045 Compression Hook
Removing the anti-roll bar
Note! The anti-roll bar bushings and cap are vulcanized to the anti-roll bar and cannot be replaced separately.
Preparation
- Position the lifting device 999 5716 Reading off tool 999 5716 Reading Off Tool and lifting hooks 999 5460 Lifting hook 999 5460 Lifting Hook.
- Lift the engine to relieve the load on the engine pads.
Raise the car.
Remove
- the front wheels
- the splash guard under the engine
- the four nuts and screws holding the steering gear in the sub-frame
- nut (A), holding the collision protection lower half. (Applies to right-hand drive cars).
- the collision protection system over the steering gear (2 screws). (Applies to right-hand drive cars).
- the screws holding the exhaust pipe bracket. Disconnect the brake pipe from the snap fasteners on the bracket
- the bracket.
Remove the oil pipe from the clamps for the steering gear. If applicable remove the clamps from the fuel line for the engine block heater.
Remove the hose for the EVAP canister in the joint by pulling apart the hose.
- Remove the rear engine mounting screw.
- Remove the wiring for the heated oxygen sensor (HO2S) from its mounting (does not apply to diesels).
- Place a mobile jack with a universal fixture 999 5972 FIXTURE 999 5972 Fixture at the rear of the subframe.
- Remove the screws holding the sub-frame brackets to the bodywork on both sides
- Remove the rear sub-frame screws together with the brackets and washers
- Loosen the front screws on the subframe 10-15 mm.
- Lower the rear edge of the sub-frame approximately 90 mm. Ensure that the steering gear screws are released from the sub-frame.
Note! Hang the steering gear from hook 999 5045 COMPRESSION HOOK 999 5045 Compression Hook so that the lower steering shaft does not come apart.On right-hand drive cars the hook must be hung from the right-hand side.
Removing the anti-roll bar
Remove
- the anti-roll bar link from the anti-roll bar on both sides. Use a Torx wrench as a counterhold so that the boot is not damaged.
- the screws holding the anti-roll bar in the sub-frame
- the anti-roll bar.
Applies only to right-hand drive cars
- Lift the anti-roll bar
- Remove the collision protection system between the steering gear and the sub-frame
- Remove the anti-roll bar.
Installing the anti-roll bar
Installing the anti-roll bar
Note! To ensure that there is no exhaust leakage, see: Flanged joint, assembling Flanged Joint, Assembling.
Install
- the anti-roll bar
- the screws holding the anti-roll bar in the sub-frame. Tighten to 50 Nm.
Applies only to right-hand drive cars
- At the same time locate the collision protection system between the steering gear and the sub-frame.
Install
- the anti-roll bar links. Use new nuts. Tighten to 60 Nm. Counterhold using a Torx wrench.
Finishing
- Push up the rear edge of the subframe. Use a mobile jack with universal fixture 999 5972 FIXTURE 999 5972 Fixture.
- At the same time, locate the steering gear mounting screws in the frame and, on right-hand drive cars, the collision protection system screw
- Install the sub-frame brackets loosely together with the washers
- Install the rear screws in the subframe. Use new screws. Oil the screws. Do not tighten yet.
- Transfer the mobile jack to the sub-frame front edge
- Replace and oil the front screws on the subframe.
- First tighten the screws on the left side of the sub-frame. Tighten to 105 Nm. Angle tighten 120°. Then tighten the right-hand side to the same value as the left side
- Tighten the screws for the brackets on both sides. Tighten to 50 Nm
- Remove the mobile jack.
Install
- the four nuts and the screw holding the steering gear. Use new nuts and a new screw. Tighten to 50 Nm
- nut (A), holding the collision protection lower half. (Applies only to right-hand drive cars). Tighten to 50 Nm.
- the oil pipe on the clamps for the steering gear and on any fuel line to the engine block heater.
- Assemble the EVAP canister hose.
Install
- the rear engine mounting screw. Tighten to 50 Nm.
- the wiring for the heated oxygen sensor (HO2S) in its mounting. (Does not apply to diesels).
- the brake pipe on the exhaust pipe bracket
- the exhaust pipe bracket. Tighten the four screws for the bracket. Tighten to 25 Nm. Tighten both the M6 screws. Tighten to 10 Nm.
- the collision protection above the steering gear. (Applies only to right-hand drive cars). Tighten to 80 Nm.
- the splash guard under the engine.
Lower the car.
Remove the lifting tools from the engine.
Install the wheels. See Installing wheels Service and Repair.