Parts for your 2018 Nissan Serena-Control arms

2018 Nissan Serena control arms — what they do and when to service them

Control arms are absolutely used on the 2018 Nissan Serena (C27). Nissan’s C27 Serena Service Manual (Front Suspension section, often labelled FSU) specifies a MacPherson strut front suspension with a lower arm/transverse link, and the Nissan Electronic Parts Catalog (EPC) lists the front lower control arm assemblies for this model. The rear is a torsion beam arrangement, so the primary “control arms” owners will deal with are at the front.

Up front, the control arm links the wheel hub/knuckle to the subframe, guiding the wheel through its travel while keeping alignment angles in check. The Serena’s lower arm carries two rubber bushes for compliance and noise control, plus a ball joint that lets the knuckle pivot for steering. That combo helps the van track straight, soak up bumps, and brake without nasty shimmy — pretty important for a people-mover doing school runs and long Kiwi or Aussie road trips.

Over time, the rubber bushes can crack or soften, and the ball joint can wear. Typical tell-tales include clunks over rough roads, vague or wandering steering, a shimmy under braking, and uneven tyre wear. Coastal environments and corrugations can speed this up, so vehicles in NZ and Australia benefit from regular checks.

As part of routine servicing, it’s smart to:

• Inspect the control arm bushes for splits, oil saturation, or excessive movement.
• Check the ball joint for play and a torn dust boot.
• Look for bent arms after pothole or kerb strikes.
• Keep an eye on tyre wear patterns and steering feel.

There’s no fixed replacement interval — many last 80,000–150,000 km — but once movement or noise shows up, don’t delay. When replacing, many owners choose a complete arm (bushes and ball joint pre-fitted) to save time and ensure everything’s fresh. If going with separate bushes, use quality components and a press to avoid damage.

Key workshop tips: torque the bush bolts with the vehicle at normal ride height to prevent pre-loading, always follow the service manual’s torque specs, and get a wheel alignment afterwards. Replace in pairs left/right for consistent handling, and opt for reputable OE or aftermarket arms that suit the Serena’s weight and family-duty workload. Done right, new control arms restore crisp steering, quieter operation, and even tyre wear.

FAQs

How long do control arm bushes and ball joints last on a 2018 Serena?
Driving style and road conditions make a big difference. Many Serena owners see 80,000–150,000 km before noticeable wear. Lots of urban kerbs, speed humps, or unsealed roads can shorten that. Regular inspections during services will catch issues early.

Do I need a wheel alignment after replacing control arms?
Yes. Even if you mark everything, fresh bushes and any small geometry changes mean toe and camber can shift. An alignment ensures straight tracking, proper tyre wear, and the best steering feel.

Can I replace just the bushes, or should I fit complete control arms?
Both are viable. Pressing new bushes into the original arm can save money if the arm is straight and clean. A complete arm (with new bushes and ball joint) is quicker, removes press-fit risk, and often delivers the best long-term result.