Parts for your 2009 Toyota Mark x-Control arms

2009 Toyota Mark X Control Arms — What They Do and When to Replace Them

Control arms are absolutely used on the 2009 Toyota Mark X. Toyota’s GRX130 repair manual (Suspension and Axle section) and the Toyota Electronic Parts Catalogue list the front suspension as a double-wishbone layout with upper and lower control arms, and the rear as a multi-link system with multiple control arms/lateral links. So they’re a key part of how this Mark X steers, rides, and keeps tyres planted.

On this model, the control arms connect the wheel hubs to the chassis and let the suspension move smoothly while holding camber and caster in check. Bushes in the arms absorb vibration and keep geometry consistent, while ball joints allow the hubs to pivot as you steer. Healthy arms and bushes mean tight steering, even tyre wear, and a comfy ride on choppy Kiwi and Aussie roads.

As part of routine servicing, it’s smart to inspect the front upper and lower arms and the rear control arms every 20,000 km or at each major service. Look for torn or perished rubber bushes, cracked or leaking ball-joint boots, and any bends or impact marks from kerb strikes. Many owners notice the rear lower arm bushes and the front lower arm rear (hydraulic) bushes getting tired around the 100,000–150,000 km mark, especially if the car sees rough country kilometres or lots of stop-start city work.

Classic hints it’s time to replace control arms or bushes include:

• Clunks over speed humps or when taking off/braking
• Steering shimmy, tramlining, or vague on-centre feel
• Uneven or rapid inner/outer tyre wear
• Brake shudder not fixed by rotors/pads
• Pulling, wandering, or instability under hard braking

When fitting new arms or bushes on a 2009 Mark X, always torque the pivot bolts at normal ride height to avoid preloading the bushes. Replace any single-use fasteners as specified in the Toyota manual, and book a proper four-wheel alignment straight after — camber, caster, and toe will shift with fresh arms. If the car has a few years on it, consider doing sway bar links and stabiliser bushes at the same time for a tidy, rattle-free result. Quality OEM or reputable aftermarket arms with pre-fitted bushes/ball joints can save labour and fuss, and typically restore that smooth, planted Toyota feel.

Popular questions about 2009 Toyota Mark X control arms

Does the 2009 Toyota Mark X use control arms or struts?
The 2009 Mark X runs a double-wishbone front end with upper and lower control arms, and a multi-link rear with multiple control arms. It’s not a simple MacPherson strut front like some smaller Toyotas.

How often should control arm bushes be replaced?
There’s no fixed interval. Inspect at each major service, many see bush wear between 100,000 and 150,000 km depending on roads and driving style. Replace on condition — cracks, excessive movement, or noise are the cues.

Do I need a wheel alignment after replacing control arms?
Yes. Any arm or bush change alters geometry. Get a full alignment to bring camber, caster, and toe back into spec and protect your tyres.