🔧 CX-9 - Outer Tie Rod End Replacement

The outer tie rod end connects your steering rack to the steering knuckle at the wheel. Replacing it restores safe steering control and helps prevent uneven tire wear and wandering.

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

Assumption: using common CX-9 torque ranges; verify with service info if available.

---

⚠️ Safety & Precautions

• ⚠️ Support the A4—never work under a vehicle held only by a jack.
• ⚠️ Keep hands clear when separating the joint; it can “pop” loose suddenly.
• ⚠️ Do not turn the steering wheel with the tie rod disconnected.
• ⚠️ After replacement, get an alignment ASAP; toe can be off even if you count turns.

---

🔧 Required Tools

You'll need the following tools for this repair:

• Floor jack (rated 3-ton minimum)
• Jack stands (rated 3-ton minimum)
• Wheel chocks
• 21mm socket
• 1/2" drive ratchet
• Breaker bar (1/2")
• Torque wrench (10-200 Nm range)
• Needle-nose pliers
• Diagonal cutters
• 17mm socket
• 22mm open-end wrench
• Adjustable wrench (10")
• Tie rod end puller (specialty)
• Wire brush
• Paint marker
• Tape measure
• Penetrating oil
• Safety glasses
• Mechanic gloves

---

🔩 Required Parts

HowToo sells all the parts you need for this repair:

• Outer tie rod end - Qty: 1
• Cotter pin (tie rod end) - Qty: 1
• Anti-seize compound - Qty: 1

---

📋 Before You Begin

• Park on level ground, center the steering wheel, and set the parking brake.
• Chock the rear wheels using wheel chocks.
• Break the front wheel lug nuts loose 1/2 turn using a 21mm socket and breaker bar (do not remove yet).
• Spray penetrating oil on the tie rod end nut and the jam nut using penetrating oil, then wait 5-10 minutes.

---

🔨 Step-by-Step Instructions

Follow these steps in order:

Step 1: Lift and secure the front corner

• Lift the front corner with a floor jack (rated 3-ton minimum) at the proper jacking point.
• Set the vehicle onto jack stands (rated 3-ton minimum).
• Remove the wheel using a 21mm socket and 1/2" drive ratchet.

Step 2: Mark the current tie rod position

• Clean the threads near the jam nut with a wire brush.
• Use a paint marker to mark a line across the jam nut and inner tie rod threads.
• Measure from a fixed point (example: inner tie rod shoulder) to the center of the outer tie rod end using a tape measure, and write it down.
• This helps keep toe close for the drive to alignment.

Step 3: Remove the cotter pin (if equipped)

• Straighten and remove the cotter pin using needle-nose pliers.
• If the pin is stuck, cut it with diagonal cutters and remove the pieces.

Step 4: Loosen the jam nut

• Hold the outer tie rod end body with an adjustable wrench (10") if it wants to spin.
• Crack the jam nut loose using a 22mm open-end wrench.
• Only loosen it 1-2 turns; do not move it far from its original position.

Step 5: Remove the tie rod end nut from the steering knuckle

• Remove the tie rod end nut using a 17mm socket and 1/2" drive ratchet.
• If the stud spins, apply upward pressure to the tie rod end while loosening the nut (use the tie rod end puller (specialty) in the next step if needed).

Step 6: Separate the tie rod end from the knuckle

• Install and tighten the tie rod end puller (specialty) until the tapered stud “pops” free.
• A tie rod end puller is a screw-type tool that presses the joint out without damaging the boot.
• Once free, lift the tie rod end stud out of the knuckle by hand.

Step 7: Unscrew the old outer tie rod end (count turns)

• Spin the outer tie rod end off the inner tie rod while counting full turns (example: 17.5 turns).
• Write the number down—this is important.

Step 8: Install the new outer tie rod end

• Apply a light coat of anti-seize compound to the inner tie rod threads (avoid the stud/taper area).
• Thread the new outer tie rod end on by the exact same number of turns you counted.
• Line it up to your paint mark and measurement as closely as possible.

Step 9: Reconnect to the steering knuckle and torque

• Insert the stud into the knuckle by hand.
• Install the nut and tighten using a 17mm socket and torque wrench (10-200 Nm range).
• Torque to 50-60 Nm (37-44 ft-lbs), then tighten further as needed to align the cotter pin hole (do not loosen to align).
• Install a new cotter pin using needle-nose pliers and bend the ends over.

Step 10: Tighten the jam nut

• Hold the outer tie rod end body with an adjustable wrench (10").
• Tighten the jam nut using a 22mm open-end wrench and torque wrench (10-200 Nm range).
• Torque to 55-75 Nm (41-55 ft-lbs).

Step 11: Reinstall the wheel

• Reinstall the wheel and hand-thread the lug nuts.
• Lower the vehicle off the jack stands (rated 3-ton minimum) using the floor jack (rated 3-ton minimum).
• Tighten lug nuts in a star pattern using a torque wrench (10-200 Nm range).
• Torque to 108-118 Nm (80-87 ft-lbs).

---

✅ After Repair

• Start the engine and turn the steering wheel lock-to-lock while stationary; listen for clunks.
• Road test at low speed first; verify the steering wheel is close to centered.
• Get a professional 4-wheel alignment as soon as possible to set toe correctly.
• Recheck the cotter pin and the tie rod end nut after the first short drive.

---

💰 DIY vs Shop Cost

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

DIY Cost: $35-$120 (parts only)

You Save: $100-$330 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.

---

🎯 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.