Parts for your 2012 Toyota Corolla-Strut mounts

2012 Toyota Corolla strut mounts — what they do and when to replace

Technical verdict: The 2012 Toyota Corolla (E140/E150 series) does use strut mounts — at the front only. The front suspension is a MacPherson strut design that requires an upper strut mount with an integrated bearing for steering. This is confirmed by Toyota’s Repair Manual for the Corolla (front “Shock Absorber with Coil Spring” assembly showing a “Front Suspension Support” and bearing), Toyota’s Electronic Parts Catalogue (listing “Support Sub-Assembly, Front Shock Absorber” and “Bearing, Front Spring Seat”), and major fitment catalogues from KYB and Monroe for 2012 Corolla front strut mounts. The rear suspension is a torsion beam with separate springs and shock absorbers, so there are no rear strut mounts on this model.

Strut mounts do more than just hold the strut in place. They: isolate road noise and vibration from the body for a quieter cabin, provide the pivot/bearing so the strut can turn smoothly with the steering, and keep wheel alignment steady under braking and cornering. When they’re tired, the Corolla can feel crashy over bumps, creak when turning, or wander on the motorway, even if the tyres and shocks look fine.

Telltale signs a 2012 Corolla’s front strut mounts are due:

• Clunks, creaks or a spring “twang” when steering or going over speed humps
• Heavier or “notchy” steering, or the wheel not re-centring cleanly
• Uneven or feathered tyre wear despite correct pressures and balance
• Nose dive or steering shudder on sudden braking

Good servicing tips for Aussie and Kiwi roads:

• Inspect at every major service or 20,000–30,000 km, many last 120,000–200,000 km but can wear sooner on rough or corrugated surfaces.
• Replace in pairs with quality mounts and bearings, always book a wheel alignment afterwards.
• Check the coil spring seats and insulators, fit new hardware and dust boots if worn.
• Torque all fasteners to factory specs and support the knuckle properly, avoid spinning the piston rod with an impact gun.
• If fitting new struts, it’s smart money to do the mounts and bearings at the same time for a fresher, quieter front end.

Because the Corolla’s rear isn’t a strut layout, you won’t find rear strut mounts on this car — just conventional upper and lower shock mounts. Keeping the front mounts healthy goes a long way to preserving that tidy Corolla steering feel and keeping tyres wearing evenly.

Question: Does a 2012 Toyota Corolla have strut mounts front and rear?

Yes for the front, no for the rear. The front uses MacPherson struts with upper strut mounts and bearings, the rear is a torsion beam with separate shocks and springs, so no rear strut mounts are fitted from factory.

Question: What are the most common symptoms of worn front strut mounts on a 2012 Corolla?

Expect clunks or creaks over bumps, a “twang” as the spring turns, heavier or sticky steering, and feathered tyre wear. You might also notice vague turn-in or a shudder under braking. If you’re hearing noises at low speeds over driveways or speed humps, the mounts and bearings are prime suspects.

Question: Should the strut mounts be replaced when installing new front struts?

Highly recommended. The labour overlaps, and fresh mounts and bearings protect the new struts and restore smooth steering. Replace in pairs, use new hardware, and get a wheel alignment to lock in proper handling and tyre life.