Parts for your 1999 Daihatsu Gran move-Bump stops

1999 Daihatsu Gran Move bump-stops: what they do and how to look after them

Bump-stops are absolutely fitted to the 1999 Daihatsu Gran Move. The Daihatsu Gran Move/Pyzar factory service manual (Chassis – Suspension) specifies a jounce bumper (bump stop) on each front MacPherson strut beneath the dust boot, and body-mounted bump rubbers for the rear beam axle. This is echoed by dealer parts catalogues and common aftermarket listings that supply front strut bump-stops and rear bump rubbers for the model range.

On this little tall-hatch/mini-MPV, bump-stops act as a soft landing at the end of suspension travel. When the springs and shocks compress hard—big pothole, speed hump, heavy load—the bump-stop cushions the final movement. That protects the strut piston, keeps the tyre off the guard, and helps the car stay predictable instead of crashing into a harsh metal-on-metal bottom-out.

Up front, the bump-stop sits on the strut shaft under the boot, made from microcellular foam or rubber so it compresses progressively. Down the back, a pair of rubber bumpers on the body contact the beam axle at full compression. Both ends work with the shocks: when they’re tired or perished, the car feels crashy over bumps and can make a nasty thud.

• Signs it’s time to replace: visible cracking or missing bump-stops, split or collapsed dust boots, heavy thud/clunk on big hits, and a harsher ride when loaded.
• Best practice: replace in pairs on an axle, and always inspect them when doing shocks/struts.

There’s no fixed kilometre interval, but checking them at each service (or every 20,000–30,000 km) is smart, especially if the Gran Move sees rough roads, towing, or a boot full of gear. If replacing front struts, fit new bump-stops and boots at the same time—cheap insurance that saves the fresh dampers from early death. For the rear, ensure the axle meets the bump rubbers squarely and that ride height isn’t so low it’s constantly sitting on them.

• Fit OE-style or quality aftermarket foam bump-stops for the right rate and travel.
• Avoid petroleum grease on rubber, use silicone lube sparingly on boot seats if needed.
• Support the hub properly during strut work and torque fasteners to the service manual spec.

Look after the bump-stops and the Gran Move will stay comfy, composed, and kinder to its shocks, tyres, and bodywork.

Does the 1999 Daihatsu Gran Move have front and rear bump-stops?

Yes. The front struts use integrated jounce bumpers under the dust boots, and the rear beam axle compresses onto body-mounted bump rubbers. They’re standard equipment to prevent bottoming out and protect the suspension.

When should Gran Move bump-stops be replaced?

There’s no strict schedule. Inspect them at regular services and always when replacing shocks/struts. Replace if they’re cracked, missing, oil-soaked, or the car bottoms out with a thud over larger bumps.

Can worn bump-stops damage other parts?

They can. Without proper cushioning, the suspension can bottom out, stressing struts/shocks, deforming mounts, and letting tyres contact inner guards under heavy compression. Replacing tired bump-stops helps avoid those knock-on costs.