Parts for your 2006 Toyota Bb-Strut mounts

2006 Toyota bB strut mounts — what they do and when to replace them

Strut mounts are absolutely relevant on the 2006 Toyota bB. Toyota’s own technical material confirms it: both the late first‑generation bB (NCP3# platform) and the second‑generation bB launched in 2005 (QNC2#) use a front MacPherson strut suspension. In Toyota Repair Manuals and New Car Features guides for these models, the upper “front suspension support sub‑assembly” (commonly called a strut mount or top mount) is specified as the interface between the strut and the body. Independent catalogues from OE‑equivalent suppliers also list front strut mounts for 2006 bB applications. Because MacPherson struts need an upper mount to locate the strut and allow the steering to pivot, the part is fitted from factory and is essential to ride, handling and steering feel.

On a 2006 Toyota bB, the front strut mounts do two key jobs: they isolate noise and vibration with a rubber insulator, and they house a bearing that lets the strut rotate smoothly as the wheels steer. When they wear, the car can feel a bit loose over bumps, you might hear a clunk on take‑off or turning, and the steering can get notchy or slow to self‑centre. Left too long, poor mounts can chew out tyres and stress the struts.

As part of regular servicing, it’s wise to have the mounts inspected whenever the front end is apart, or at least every 80,000–100,000 km. Many owners choose to replace the mounts whenever new front struts are fitted, because the old bearings and rubber are usually tired by then. It’s not a big cost add‑on, and it helps the new dampers do their best work.

• Listen for knocks over speed humps, driveway entries and tight low‑speed turns.
• Watch for uneven tyre wear or wandering at highway speeds.
• During service, check for cracked rubber, perished isolators, or a rough/loose bearing when the strut is rotated.

Replacement tips for the bB: always do mounts in axle pairs, use new self‑locking nuts, and torque to spec from the Toyota repair manual. Fit new dust boots and bump stops while you’re there. After any strut or mount work, a wheel alignment is a must to keep tyre wear in check and the steering feeling tidy. With fresh strut mounts, a 2006 bB will feel tighter, quieter, and more confident on Kiwi and Aussie roads alike.

Popular questions about 2006 Toyota bB strut mounts

Does a 2006 Toyota bB have strut mounts?

Yes. The 2006 bB uses a front MacPherson strut setup, which requires an upper strut mount (also called a strut top). Toyota’s service literature for both NCP3# and QNC2# bB models specifies a “front suspension support sub‑assembly,” which is the strut mount.

Without this mount, the strut can’t pivot for steering or isolate vibration from the body, so it’s a critical, factory‑fitted part.

What are common signs the bB’s strut mounts need replacing?

Tell‑tales include clunks over bumps, a creak or groan when turning the wheel, notchy steering, and front‑end vibration. You might also notice feathered tyre wear or the car feeling a bit wayward on rough tarmac.

Inspection often reveals cracked rubber, collapsed insulators, or a gritty/loose top bearing when the strut is turned by hand.

Should the mounts be replaced with the struts?

That’s the smart play. By the time struts are due, the mount’s rubber and the top bearing are usually past their best. Replacing them together saves labour, restores steering smoothness, and protects the new dampers.

After fitting, always get a wheel alignment to dial in camber and toe and protect your tyres.