Parts for your 2012 Nissan Dualis-Gas struts

2012 Nissan Dualis gas struts: what they do and when to replace them

Based on Nissan’s J10 Electronic Service Manual for the Dualis/Qashqai (2012 model year) and the Nissan FAST parts catalogue, the vehicle is factory-fitted with gas-charged lift supports on the rear tailgate (often called “back door stays”). The bonnet is supported by a manual prop rod from factory, not gas struts. This is also echoed by common aftermarket catalogues that list replacement rear hatch struts for 2007–2013 Dualis/Qashqai models, confirming gas struts are relevant to the 2012 Dualis at the tailgate.

On a 2012 Nissan Dualis, the tailgate gas struts do the heavy lifting so the boot opens smoothly and stays up without a wrestle. They’re sealed, gas-charged units that balance the weight of the door, stop it from slamming, and make daily use feel light and easy. As part of routine servicing, a quick check of these struts is a smart move, especially on vehicles living in hot Aussie summers, cold Kiwi winters, or coastal air—conditions that can speed up wear.

What to look for during a service: does the tailgate hesitate, sit low, or slowly sink? Is it sluggish in colder mornings, or do you need two hands to lift it by halfway? Any oily film on the strut body, pitted shafts, or cracked end fittings are red flags. If performance is down on one side, replace both struts together so the door lifts evenly and the new part isn’t overworked by a tired mate.

Care is simple. Keep the shafts clean and dry—no grease or silicone on the polished rods, as that can attract grit and chew out the seals. Make sure the ball studs and clips are snug. If the door feels weak, don’t risk a knock to the head, support it with a prop or get a helper before you swap them out.

Replacement is straightforward with basic tools: support the tailgate, ease back the spring clip on the old strut, pop it off, then click the new one on. Match the spec to your exact model (Dualis vs Dualis+2 can differ), and any accessories like a spoiler. Quality aftermarket options are widely available, and many shops can fit them in under half an hour. With typical use, expect a lifespan of 5–10 years, but climate and usage make the real call—let the symptoms guide you.

Do 2012 Dualis models have gas struts on the bonnet?

No. From factory the bonnet uses a prop rod. Aftermarket bonnet strut kits exist, but they’re not OEM, and some may require brackets or minor tweaks. If fitting a kit, choose one designed for the J10 Dualis and follow the instructions carefully.

How do you know the tailgate struts need replacing?

Common signs include the boot not staying up, dropping in cooler weather, moving in jerks, or leaving an oily film on the strut body. If you have to lift past halfway before it “takes over”, they’re on the way out. Replace both sides together for best results.

Can they be serviced, or is it replacement only?

They’re sealed units, so it’s replacement only. Regular inspections, keeping the shafts clean, and avoiding lubricant on the rods will help them last longer. When they fade, new struts are the fix.