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Automotive glossary

Tie Rod End

The tie rod end is the outer joint that connects the steering rack to the steering knuckle and pushes the wheel to turn.

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What is Tie Rod End?

Each front wheel has an inner tie rod at the rack and an outer tie rod end at the knuckle. The threaded joint between them is used to set the toe. Like a ball joint, it has a ball and socket with a rubber boot.

How it works

When the rack moves sideways, the tie rods push or pull the knuckles and the wheels turn.

Why it matters for your car

Worn tie rod ends cause play in the steering, knocking and tyre wear on the edges. After replacement the toe must be set.

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