Parts for your 2006 Toyota Crown-Ball joints

2006 Toyota Crown Ball Joints — what they do and when to replace them

For the 2006 Toyota Crown (S180 series), ball joints are very much a thing. Toyota’s own workshop literature for the S180 Crown specifies front double-wishbone suspension, which uses ball joints at the steering knuckle, and the Toyota Electronic Parts Catalogue (EPC) lists a dedicated front lower ball joint assembly for this model range. The upper ball joint is typically integrated into the upper control arm on these cars, while the rear multi-link setup uses spherical/ball-jointed links in places. So yes—ball joints are fitted and they matter.

On a 2006 Toyota Crown, the front lower ball joint connects the lower control arm to the steering knuckle, letting the hub pivot smoothly as the suspension moves and the wheels steer. That spherical movement is what keeps steering feel tidy and tyre contact consistent over bumps. If a ball joint wears out, the Crown can start to wander, clunk over rough roads and chew through tyres—none of which is ideal on Aussie and Kiwi roads.

Servicing-wise, ball joints aren’t a timed replacement item, but they should be inspected at each service or at least every 20,000 km/12 months. A quick visual check for torn dust boots or grease seepage is a great start. With the wheel safely off the ground, a play test at 12 and 6 o’clock can reveal looseness, any detectable free play or knocking under load is grounds for replacement. On the Crown’s front end, the lower ball joint is a separate serviceable part, the upper joint is usually replaced with the complete upper control arm assembly.

• Common signs they’re tired:
  • Clunks over bumps or when turning at low speed
  • Wandering or vague steering on the motorway
  • Feathered or uneven tyre wear
  • Torn boots or visible rust/dryness at the joint
• Replacement tips for a 2006 Toyota Crown:
  • Use quality, known-brand joints or genuine parts, replace in axle pairs if one has failed
  • Do not reuse nyloc/castle nuts or split pins, torque to the factory spec and fit a new cotter pin where applicable
  • Use a proper separator to protect the knuckle, avoid damaging boots if reusing the joint
  • Book a wheel alignment straight after any ball joint or control arm work

Rear suspension on the Crown also has links with spherical joints, if you’re chasing knocks or tyre wear, have those inspected too. Kept in good nick, the ball joints help the Crown track straight, turn neatly and look after its tyres—exactly what owners want from a comfortable, tidy RWD saloon.

Does a 2006 Toyota Crown have upper and lower ball joints?

Yes. The front suspension is a double-wishbone design, so there’s a serviceable lower ball joint at the knuckle and an upper joint typically integrated into the upper control arm assembly. The rear uses multi-link arms, some of which employ spherical/ball-jointed connections.

How often should ball joints be replaced on a 2006 Toyota Crown?

There’s no fixed kilometre interval. Inspect at every service or at least annually. Many last well past 100,000–200,000 km, but any play, noise, or a torn boot means it’s time to replace. Always align the wheels after replacement.

What else should be done when replacing Crown ball joints?

Fit new hardware (nuts, cotter pins), torque to the workshop manual spec, and check associated bushes and tie-rod ends while you’re there. Finish with a proper wheel alignment to keep steering feel crisp and tyres wearing evenly.