32 11... Replacing gaiter for electric steering gear (EPS) on left or right

Spindle side:

IMPORTANT: The steering gear must be replaced If the corrosion on the spindle running surface has advanced to such an extent that the steering is acoustically conspicuous under load!

Adhere to the utmost cleanliness.

Do not regrease the spindle running surface. Sufficient special grease was used during assembly for lifetime filling.

Fig 1: Electric Steering Gear Spindle Side

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Rack side:

IMPORTANT: The steering gear must be replaced if the polished surface of the rack is damaged (e.g. by corrosion)!

Clean rack and check surface for damage (e.g. by corrosion).

Grease rack (refer to OPERATING FLUIDS ).

Fig 2: Electric Steering Gear Back Side

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Necessary preliminary tasks:

Remove front assembly underside protection

Clean tie rod.

Release band clamp (1).

Mark screw-in depth of tie rod (2) or count thread turns.

Unscrew bolt (3).

Twist tie rod (2) out of tie rod end (4).

Installation:

Replace microencapsulated screw.

For tightening torque refer to 32 21 2AZ in 32 21 STEERING ARMS, TIE RODS, STEERING DAMPER .

Fig 3: Clamp, Tie Rod, Bolt And Tie Rod End

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Release ear clamp (1).

Detach gaiter (2) from tie rod (3).

Installation:

Read and follow notes/information on spindle and rack sides at the start of the document.

Clean tie rod and apply grease to taper. This ensures that the gaiter is not rotated when the tie rod is rotated.

Fig 4: Ear Clamp, Gaiter, Tie Rod And Removal Direction

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Release water drain valve (1) (20 A/F) and replace.

Installation:

Fit O-ring (2).

For tightening torque refer to 32 00 3AZ in 32 00 STEERING .

Fig 5: Water Drain Valve And O-Ring

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After installation:

Perform chassis alignment check
Carry out steering angle sensor adjustment