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Steering Gear, Remove and Install (Vehicles with
V6 Engine and RHD)
 Remove
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Disconnect ground cable from battery. Unfasten fastening nut for
steering gear heat shield. Raise vehicle. Front wheel on the
drivers side and unscrew engine compartment cover. Unfasten
fastening nut (1) for idler arm and remove idler arm.
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Mark position of steering arm to steering shaft. Remove steering
arm using KM-146-01 (1), suspend steering linkage at centre tie rod
forwards.
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Unfasten lower fastening nuts (1) from steering gear heat shield
and remove heat shield.
Disconnect wiring harness plug (2) for electro-hydraulic
converter.
Unfasten fastening screws (3 + 4) for engine vibration damper on
the vehicle right hand side and remove engine vibration damper.
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Unfasten lower fastening nut (1) for engine damper block on the
vehicle right hand side. Lower vehicle.
Caution
Vehicles with airbag, turn steering wheel to "straight ahead"
position, engage steering lock and remove ignition key.
Remove vacuum line (3) from brake servo. Remove both union nuts
(2) from fuel lines, cable tie.
Remove coolant reservoir from spring strut dome and place on air
intake hose.
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Remove
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Remove vacuum hose for active carbon canister solenoid.
Caution
Do not damage the nozzle (plastic, breakable).
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Remove
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Remove pressure line (2) and return line (1) from steering
gear.
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Unbolt footwell panelling and ventilation duct. Remove clamp
bolts (1 + 2) from disc joint, widen disc joint clamp pieces
carefully and push onto steering shaft as far as possible. Install
engine lifter – see operation "Engine Damping Blocks, Remove
and Install" in group "J". Raise engine approx. 2 – 3 cm/0.8
– 1.2 in.
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Raise vehicle. Remove starter – see operation "Starter,
Remove and Install" in group "J". Unfasten fastening screws (1-4)
from steering gear. Remove steering box from below.
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For Replacement of Steering Gear (Vehicles up to
MY '96):
Due to a change to the steering gear from MY '96, the following
operations are to be carried out prior to installation:
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After removal of steering gear, the seal (1) at the bulkhead
must be removed – this operation must be carried out with
great care, as it may otherwise lead to the ingress of water and
passenger compartment noise in the area of the bulkhead.
Prior to installation of steering gear, the new bulkhead seal
(2) is to be aligned with the designation "OBEN" on the
identification plate and pushed onto the steering gear.
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Install
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Insert steering gear from below and insert as far as possible
into disc joint.
Connect fastening bolts (1-4) for steering gear in the following
sequence and tighten: 1-4-3 – tightening torque 55 Nm / 40.5
lbf. ft. Insert fork-shaped spacer ring between wheel well and
steering gear. Connect fastening bolt (2) and tighten –
tightening torque 55 Nm / 40.5 lbf. ft.
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Install starter – see operation "Starter, Remove and
Install" in group "J". Connect wiring harness plug for
electro-hydraulic converter. Lower vehicle.
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Torque
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Clamp bolt (2) to steering gear – 22 Nm / 16 lbf. ft.
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Clamp bolt (1) to steering shaft – 22 Nm / 16 lbf. ft.
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Install
Install ventilation duct and footwell panelling. Unlock steering
and ignition lock.
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Remove
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Lower engine. Remove engine lifter.
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Install
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Connect vacuum hose for solenoid valve. Bolt coolant reservoir
on. Replace O-ring (1) for pressure and return line. Slightly cut
seal in the bulkhead in the area of the pressure and return
line.
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Torque
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Pressure line (2) to steering gear – 28 Nm / 21 lbf.
ft.
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Return line (1) to steering gear – 28 Nm / 21 lbf. ft.
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Install
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Install fork-shaped washer for upper steering gear fastening
screw. Install vacuum line (2) in brake servo.
Torque
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Union nuts (1) for fuel lines – 15 Nm / 11 lbf. ft.
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Raise vehicle.
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Torque
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Engine damping block to bracket – 40 Nm / 29.5 lbf.
ft.
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Fastening screws (1 + 2) for engine vibration damper – 40
Nm / 29.5 lbf. ft.
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Install
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Install heat shield to lower steering gear – tightening
torque 15 Nm / 11 lbf. ft. Fit steering arm to steering gear
– tightening torque 160 Nm / 118 lbf. ft. Note the previously
made markings.
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Install engine compartment cover (arrows). Lower vehicle.
Install heat shield to upper steering gear – tightening
torque 8 Nm / 6 lbf. ft.
Connect ground cable to battery.
Charge and bleed hydraulic system – see operation
"Hydraulic System, Charge and Bleed".
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