🔧 Wheel Bearings - Hub Assembly Replacement

On your Corolla, the wheel bearing is typically replaced as part of the hub bearing assembly. This job requires removing the brake parts, axle nut, and hub fasteners, then swapping the entire bearing unit and reassembling everything to spec.

Assumption: Front hub bearing assembly replacement. Rear hub-bearing replacement is similar, but the knuckle access may differ.

Difficulty Level: Intermediate | Estimated Time: 2-4 hours per side

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⚠️ Safety & Precautions

• Support the car securely on jack stands before removing the wheel.
• Do not press the brake pedal with the caliper removed.
• The axle nut is very tight; keep the car on the ground for loosening and tightening.
• Use a new axle nut. It is a one-time-use locking nut.
• If your car has ABS, handle the wheel speed sensor wire carefully so it does not get damaged.
• Battery disconnect is not required for this repair.

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🔧 Required Tools

You'll need the following tools for this repair:

• Floor jack (rated 3-ton minimum)
• Jack stands
• Wheel chocks
• Breaker bar
• Torque wrench
• 21mm socket
• 14mm socket
• 17mm socket
• 10mm socket
• Ratchet
• Penetrating oil
• Bungee cord or mechanic's wire
• Rubber mallet
• Flat trim tool
• Needle-nose pliers
• Safety glasses
• Gloves
• Hub puller or slide hammer (specialty)
• Brake caliper hanger (specialty)

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🔩 Required Parts

HowToo sells all the parts you need for this repair:

• Front wheel bearing and hub assembly - Qty: 1 per side
• Front axle nut - Qty: 1 per side
• Brake cleaner - Qty: 1

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📋 Before You Begin

• Park on level ground and set the parking brake.
• Chock the rear wheels.
• Loosen the lug nuts before lifting the car.
• Loosen the axle nut before lifting the car if possible.
• Turn the steering wheel so you can reach the brake parts more easily.

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🔨 Step-by-Step Instructions

Follow these steps in order:

Step 1: Loosen the wheel and axle nut

• Use a 21mm socket and breaker bar to loosen the lug nuts 1/2 turn.
• Use a 21mm socket and breaker bar to loosen the axle nut while the wheel is still on the ground.
• Do not remove the axle nut yet.

Step 2: Lift and secure the car

• Use the floor jack to raise the front of the car.
• Place jack stands under the proper front support points.
• Remove the wheel with a 21mm socket.

Step 3: Remove the brake caliper and bracket

• Use a 14mm socket to remove the caliper slide bolts.
• Lift the caliper off and hang it with a bungee cord or mechanic's wire.
• Use a 17mm socket to remove the caliper bracket bolts.
• Remove the brake rotor by hand. If stuck, tap it with a rubber mallet.
• Do not let the caliper hang by the hose.

Step 4: Remove the axle nut and sensor hardware

• Finish removing the axle nut with a 21mm socket.
• Use a 10mm socket and flat trim tool to remove any sensor wire brackets on the knuckle.
• If the ABS sensor wire is clipped to the knuckle, release it carefully with needle-nose pliers.

Step 5: Remove the hub bearing assembly

• Use a 17mm socket to remove the hub/bearing mounting bolts from the back side of the knuckle.
• Apply penetrating oil if the bolts are rusty.
• Pull the hub assembly out of the knuckle.
• If it is seized, use a hub puller or slide hammer to free it.
• Work evenly so the knuckle is not damaged.

Step 6: Install the new bearing assembly

• Clean the mounting surface with brake cleaner.
• Set the new wheel bearing and hub assembly in place.
• Install the mounting bolts by hand first.
• Use a 17mm socket to tighten the hub bolts.
• Torque to 132 Nm (97 ft-lbs).

Step 7: Reinstall the axle nut, rotor, and brakes

• Slide the axle back through the hub and install the new axle nut by hand.
• Reinstall the rotor.
• Reinstall the caliper bracket with a 17mm socket.
• Torque to 107 Nm (79 ft-lbs).
• Reinstall the caliper with a 14mm socket.
• Torque to 34 Nm (25 ft-lbs).
• Lower the car until the tire touches the ground enough to keep it from spinning.
• Use a 21mm socket and torque wrench to tighten the axle nut.
• Torque to 216 Nm (159 ft-lbs).
• Stake or lock the new axle nut if the replacement nut design requires it.

Step 8: Reinstall the wheel

• Reinstall the wheel with a 21mm socket.
• Torque to 103 Nm (76 ft-lbs).
• Fully lower the car and remove the jack stands.

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✅ After Repair

• Pump the brake pedal several times before driving.
• Spin the wheel by hand and listen for noise.
• Test drive slowly first and listen for humming, rubbing, or grinding.
• Recheck lug nut and axle nut torque after the test drive.
• If the ABS light comes on, inspect the sensor wire and connector.

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💰 DIY vs Shop Cost

Shop Cost: ₹8,000-₹18,000 per side (parts + labor)

DIY Cost: ₹3,000-₹7,000 per side (parts only)

You Save: ₹5,000-₹11,000 by doing it yourself!

Shop labor rates vary but typically run ₹2,500-₹5,000/hour. This repair takes a shop approximately 2-4 hours.

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