🔧 Legacy - Outer Tie Rod End Replacement

The outer tie rod end connects your steering rack to the front wheel knuckle. Replacing it restores safe steering and fixes looseness, clunking, or uneven tire wear. You’ll remove the old joint from the knuckle, swap the part, then get an alignment.

Difficulty Level: Intermediate | Estimated Time: 1.0-2.0 hours (one side)

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⚠️ Safety & Precautions

• ⚠️ Support the car with jack stands; never rely on a jack alone.
• ⚠️ Chock the rear wheels with wheel chocks so the car can’t roll.
• ⚠️ Keep fingers clear while separating the joint; it can “pop” loose suddenly.
• ⚠️ You must get a front-wheel alignment after replacement to prevent tire wear and poor handling.

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🔧 Required Tools

You'll need the following tools for this repair:

• Floor jack (rated 2-ton minimum)
• Jack stands (rated 2-ton minimum)
• Wheel chocks
• Safety glasses
• Mechanic gloves
• Breaker bar 1/2"
• Torque wrench 3/8" or 1/2"
• 19mm socket
• 17mm socket
• 19mm wrench
• 21mm wrench
• Needle-nose pliers
• Diagonal cutters
• Tie rod end puller (specialty)
• Penetrating oil
• Paint marker
• Tape measure
• Wire brush

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🔩 Required Parts

HowToo sells all the parts you need for this repair:

• Outer tie rod end - Qty: 1
• Cotter pin - Qty: 1
• Castle nut - Qty: 1
• Anti-seize compound - Qty: 1

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📋 Before You Begin

• Park on level ground, center the steering wheel, and set the parking brake.
• Place wheel chocks behind both rear tires.
• Loosen the front wheel lug nuts 1/2 turn using a 19mm socket and breaker bar before lifting.
• Spray penetrating oil on the tie rod end castle nut and the jam nut threads.
• A tie rod puller is a clamp tool that pops the joint free.

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🔨 Step-by-Step Instructions

Follow these steps in order:

Assumption (for torque specs): Values shown match common OEM specs used on your Legacy; if your replacement hardware differs, torque to the Subaru spec for your exact fasteners.

Step 1: Lift and remove the wheel

• Lift the front corner with a floor jack at the front pinch weld/jacking point.
• Set the car securely on a jack stand.
• Remove the lug nuts with a 19mm socket and take the wheel off.

Step 2: Mark the alignment reference (so you can drive to alignment)

• Use a paint marker to mark the tie rod threads and the jam nut position.
• Measure from the jam nut to the end of the tie rod end with a tape measure, and write it down.
• This helps keep toe close, not perfect.

Step 3: Loosen the jam nut

• Hold the inner tie rod with a 21mm wrench (if needed) and loosen the jam nut using a 19mm wrench.
• Turn the jam nut back a couple turns, but do not move it far from your paint mark.

Step 4: Remove the cotter pin and castle nut

• Straighten and remove the cotter pin using needle-nose pliers and diagonal cutters.
• Remove the castle nut from the tie rod stud using a 17mm socket.

Step 5: Separate the tie rod end from the steering knuckle

• Install a tie rod end puller (specialty) on the joint and tighten it until the stud pops free.
• If it’s stuck, apply more penetrating oil and lightly clean the exposed threads with a wire brush before retrying.

Step 6: Remove the old tie rod end (count turns)

• Spin the tie rod end off by hand, counting the exact number of turns until it comes off.
• Write the number down (example: 17.5 turns). You will install the new one with the same count.

Step 7: Install the new tie rod end

• Apply a thin film of anti-seize compound to the threads.
• Thread the new tie rod end on the same number of turns you counted in Step 6.
• Line up the stud with the knuckle hole and push it fully into place.

Step 8: Torque the tie rod end nut and install a new cotter pin

• Install the new castle nut and tighten using a 17mm socket and torque wrench.
• Torque to 45 Nm (33 ft-lbs).
• If the cotter pin hole doesn’t line up, tighten slightly to the next slot (do not loosen to align).
• Install a new cotter pin using needle-nose pliers and bend the ends over securely.

Step 9: Tighten the jam nut

• Hold the tie rod end so it doesn’t rotate, then tighten the jam nut using a 19mm wrench.
• Torque to 55 Nm (41 ft-lbs).

Step 10: Reinstall the wheel

• Reinstall the wheel and hand-thread the lug nuts.
• Lower the car off the jack stand using the floor jack.
• Tighten lug nuts in a star pattern with a torque wrench: Torque to 120 Nm (89 ft-lbs).

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✅ After Repair

• Start the car and turn the wheel lock-to-lock while parked; confirm no binding or clicking.
• Test drive slowly and verify the steering wheel is close to centered and the car tracks straight.
• Get a professional alignment as soon as possible (same day is best).
• Recheck the castle nut cotter pin and lug nut torque after 25-50 miles.

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💰 DIY vs Shop Cost

Shop Cost: $220-$450 (parts + labor + alignment)

DIY Cost: $35-$120 (parts only, alignment extra)

You Save: $100-$300 by doing it yourself!

Shop labor rates vary but typically run $100-$150/hour. This repair takes a shop approximately 1.0-1.5 hours.

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🎯 Ready to get started?

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