Parts for your 2000 Daihatsu Gran move-Gas struts

2000 Daihatsu Gran Move gas struts: function, fitment and servicing tips

Based on the Daihatsu Electronic Parts Catalogue (G300-series Gran Move/Pyzar) and the factory workshop manual body section, the 2000 Daihatsu Gran Move is fitted with gas-filled lift supports on the rear tailgate (often called boot or hatch struts). These documents list the back door “stay” assemblies as gas-spring units, while the bonnet is shown with a manual prop rod rather than gas struts. So gas struts are relevant to the rear tailgate on this model, and not used on the bonnet from factory.

On the Gran Move, the tailgate gas struts counterbalance the door’s weight and control its movement. They make lifting easier, hold the hatch safely at full height, and prevent a heavy slam on the way down. Over time, seals harden and the nitrogen charge diminishes, especially in colder weather, and performance tails off.

Signs it’s time to replace include:

• Tailgate won’t stay up or sags in a breeze.
• Slow lift, especially on cold mornings.
• Needing a helping hand to push the hatch open.
• Oil weeping on the rod or a faint hiss/leak.

There’s no real “service” to perform on sealed gas struts, but regular checks during routine servicing are smart. Keep the chrome rods clean and dry, avoid grabbing the rod with fingers or tools, and don’t lubricate the rods—oils and grease attract grit that can damage seals. When replacement is due, it’s best done as a pair to maintain even lift and latch alignment.

Basic replacement guidance:

1. Support the tailgate securely with a prop or helper.
2. Carefully flick up the metal retaining clips at each end of the old strut, don’t fully remove them if possible.
3. Pop the strut off the ball studs and compare length and end fittings.
4. Install the new struts, typically with the rod end pointing down (follow markings), and snap the clips home.

Choosing the right parts matters. Match the centre-to-centre length, ball-joint size and the force rating (N) printed on the original. Providing the VIN or body code (G30x) helps ensure the correct spec. Most owners will find lifespan ranges from several years to a decade-plus, with colder climates showing weakness sooner. Re-gassing isn’t recommended on these units, replacement is the reliable fix. A quick strut check at each service can prevent an unexpected tailgate drop and keep the Gran Move feeling tidy and safe to use.

Does the 2000 Daihatsu Gran Move have gas struts on the bonnet?
No. The factory workshop manual shows a simple prop rod for the bonnet on G300-series Gran Move/Pyzar models. Only the rear tailgate uses gas struts from factory. Aftermarket bonnet struts exist for some cars, but they’re not a standard Gran Move fitment.

How long do the tailgate gas struts last on a Gran Move?
Service life varies with use and climate, but many sets last years before softening. Cold mornings often reveal weakness first. If the hatch won’t hold itself up or needs a shove to open fully, replacement is due, ideally as a matched pair.

Can Gran Move gas struts be re-gassed?
They’re sealed units, so re-gassing isn’t a reliable or widely supported option. Replacement with correctly rated, direct-fit struts is the dependable approach for proper lift and safe holding force.