How to Replace the Outer Tie Rod End on a 2015-2019 Subaru Outback
Step-by-step DIY guide with required tools, parts, torque specs, safety tips, and alignment advice for 2015, 2016, 2017, 2018, 2019
How to Replace the Outer Tie Rod End on a 2015-2019 Subaru Outback
Step-by-step DIY guide with required tools, parts, torque specs, safety tips, and alignment advice for 2015, 2016, 2017, 2018, 2019
🔧 Outback - Outer Tie Rod End Replacement
This repair replaces the outer tie rod end, which connects the steering rack to the front wheel knuckle. A worn tie rod end can cause clunking, loose steering, uneven tire wear, or poor alignment.
Difficulty Level: Intermediate | Estimated Time: 1-2 hours per side
⚠️ Safety & Precautions
- ⚠️ Support your Outback with jack stands before working underneath or near the wheel area.
- ⚠️ Never rely on a floor jack alone; it can fail or roll.
- ⚠️ The steering system affects vehicle control. If anything feels loose after repair, do not drive until corrected.
- ⚠️ A wheel alignment is required after replacing a tie rod end.
- ⚠️ Battery disconnect is not required for this repair.
🔧 Required Tools
You'll need the following tools for this repair:
- 19mm lug nut socket
- Breaker bar 1/2-inch drive
- Torque wrench 1/2-inch drive
- Floor jack rated 3-ton minimum
- Jack stands rated 3-ton minimum
- Wheel chocks
- 17mm open-end wrench
- 19mm socket
- 19mm wrench
- 22mm open-end wrench
- Needle-nose pliers
- Ball joint separator tool (specialty)
- Tie rod end puller (specialty)
- Hammer 16 oz
- Paint marker
- Tape measure
- Penetrating oil
- Mechanic gloves
- Safety glasses
🔩 Required Parts
HowToo sells all the parts you need for this repair:
- Outer tie rod end - Qty: 1 per side
- Outer tie rod end castle nut - Qty: 1 per side
- Cotter pin - Qty: 1 per side
- Anti-seize compound - Qty: 1
📋 Before You Begin
- 🚗 Park your Outback on level ground and set the parking brake.
- 🧱 Place wheel chocks behind the rear wheels.
- 📏 Keep the steering wheel centered before starting.
- 🖊️ Mark the tie rod position before removal to keep the alignment close enough for a careful drive to the alignment shop.
- 🔍 A “castle nut” is a nut with slots cut into the top so a cotter pin can lock it in place.
- 🔍 A “cotter pin” is a small bent metal pin that prevents the nut from loosening.
- 🔍 A “tie rod end puller” separates the tapered tie rod stud from the steering knuckle without damaging nearby parts.
🔨 Step-by-Step Instructions
Follow these steps in order:
Step 1: Loosen the Front Wheel Lug Nuts
- Use a 19mm lug nut socket and breaker bar 1/2-inch drive to loosen the front wheel lug nuts about 1/2 turn.
- Do this while the tire is still on the ground so it does not spin.
- Loosen only; do not remove yet.
Step 2: Raise and Support the Vehicle
- Use a floor jack rated 3-ton minimum at the front center jacking point.
- Place jack stands rated 3-ton minimum under the front side pinch welds or approved front support points.
- Lower your Outback gently onto the jack stands.
- Keep the floor jack rated 3-ton minimum lightly touching as a backup support.
Step 3: Remove the Front Wheel
- Use the 19mm lug nut socket to remove the lug nuts fully.
- Remove the wheel and place it flat under the side of the vehicle as an extra safety backup.
Step 4: Locate and Mark the Tie Rod End
- Find the outer tie rod end at the rear side of the steering knuckle.
- Use a paint marker to mark the threads where the outer tie rod end meets the inner tie rod.
- Use a tape measure to measure from the lock nut to the center of the tie rod stud.
- Write this measurement down before removing anything.
- This helps keep alignment close.
Step 5: Loosen the Tie Rod Lock Nut
- Spray the tie rod threads and lock nut with penetrating oil.
- Use a 22mm open-end wrench on the lock nut.
- Use a 17mm open-end wrench on the tie rod end flats if needed to hold it steady.
- Loosen the lock nut about 1/4 turn only.
- Do not move it far from your paint mark.
Step 6: Remove the Cotter Pin
- Use needle-nose pliers to straighten the bent ends of the cotter pin.
- Pull the cotter pin out of the castle nut.
- If it breaks, use the needle-nose pliers to remove all leftover pieces.
Step 7: Remove the Castle Nut
- Use a 19mm socket and ratchet to remove the tie rod end castle nut from the steering knuckle.
- If the stud spins, use a 19mm wrench while applying light upward pressure under the tie rod end with the ball joint separator tool.
Step 8: Separate the Tie Rod End from the Steering Knuckle
- Install the tie rod end puller over the steering knuckle and tie rod stud.
- Tighten the puller with a 19mm socket until the stud pops loose.
- If needed, tap the side of the steering knuckle with a hammer 16 oz while the puller is tight.
- Do not hammer directly on the threaded stud if you are comparing the old and new parts.
Step 9: Count Turns and Remove the Old Tie Rod End
- Turn the old outer tie rod end counterclockwise by hand.
- Count the exact number of turns as it comes off.
- Write the number down.
- Leave the lock nut close to the original paint mark.
- Counting turns protects your alignment.
Step 10: Install the New Tie Rod End
- Apply a light coat of anti-seize compound to the inner tie rod threads.
- Thread the new outer tie rod end on by hand the same number of turns counted during removal.
- Use the tape measure to compare your original measurement.
- Adjust slightly by hand until the measurement and paint mark are close.
Step 11: Attach the Tie Rod End to the Steering Knuckle
- Insert the new tie rod end stud into the steering knuckle.
- Install the new castle nut by hand first to avoid cross-threading.
- Use a 19mm socket and torque wrench 1/2-inch drive to tighten the castle nut to Torque to 27 Nm (20 ft-lbs).
- Continue tightening only enough to line up the castle nut slot with the cotter pin hole.
- Do not loosen the nut to align the hole.
Step 12: Install the New Cotter Pin
- Slide the new cotter pin through the tie rod stud hole.
- Use needle-nose pliers to bend the cotter pin ends around the castle nut.
- Make sure the pin cannot fall out.
Step 13: Tighten the Lock Nut
- Hold the tie rod end steady with a 17mm open-end wrench.
- Use a 22mm open-end wrench to tighten the lock nut against the outer tie rod end.
- Tighten firmly without moving the tie rod end position.
- If using a crowfoot adapter with your torque wrench, tighten the lock nut to Torque to 83 Nm (61 ft-lbs).
Step 14: Reinstall the Wheel
- Place the wheel back onto the hub.
- Install the lug nuts by hand first.
- Use the 19mm lug nut socket to snug the lug nuts in a star pattern.
Step 15: Lower the Vehicle and Torque the Lug Nuts
- Use the floor jack rated 3-ton minimum to lift your Outback slightly off the jack stands.
- Remove the jack stands rated 3-ton minimum.
- Lower the vehicle until the tire touches the ground.
- Use the 19mm lug nut socket and torque wrench 1/2-inch drive to tighten the lug nuts in a star pattern to Torque to 120 Nm (89 ft-lbs).
✅ After Repair
- ✅ Turn the steering wheel left and right while parked. Listen for binding, popping, or scraping.
- ✅ Take a slow test drive around the block only if the steering feels normal.
- ✅ Keep speed low until the alignment is checked.
- ✅ Schedule a professional front wheel alignment immediately after replacement.
- ✅ Recheck the lug nut torque after 25-50 miles: Torque to 120 Nm (89 ft-lbs).
💰 DIY vs Shop Cost
Shop Cost: $220-$420 per side (parts + labor + alignment)
DIY Cost: $35-$120 per side (parts only, alignment extra)
You Save: $120-$250 by doing it yourself!
Shop labor rates vary but typically run $100-$150/hour. This repair takes a shop approximately 0.8-1.5 hours plus alignment time.
🎯 Ready to get started?
HowToo makes it easy: same-day/2-day shipping on every part, plus all the tools and specialty tools you need! Check out the parts and tools sections below to add everything to your cart.


















