Parts for your 2001 Daihatsu Gran move-Bump stops

2001 Daihatsu Gran Move bump-stops: what they do and when to replace them

Yes, bump-stops are used on the 2001 Daihatsu Gran Move. Technical references that confirm their fitment include the Daihatsu L5-series Pyzar/Gran Move workshop manual (front MacPherson strut section shows a jounce bumper under the dust boot) and aftermarket catalogues from major shock suppliers that list front strut bump-stops and rear bump rubbers for this model. Daihatsu parts catalogues for the L501/L502 platform also illustrate body-mounted rear bump rubbers adjacent to the torsion-beam axle.

On this Gran Move, the bump-stops act like a soft, secondary spring. Up front, a foam or polyurethane jounce bumper sits on the strut shaft beneath the dust boot. Out back, a rubber bump-stop is mounted to the body near the beam axle. When the suspension compresses hard—big potholes, speed humps, heavy loads—these stops control the last part of the travel so the strut or beam doesn’t slam metal-to-metal. That protects the shocks, keeps the alignment from going walkabout, and stops the tyres from kissing the guards.

Servicing-wise, they’re small but important. If the front jounce bumper perishes, the strut can bottom out and damage the piston seals, if the rear bump rubber cracks or goes missing, you’ll cop a harsh thud over bumps and risk bending brackets. It’s smart to check them at every service or WOF/roadworthy, and definitely whenever shocks or springs are being replaced.

Common signs they’re due:

• Visible cracks, splits, or missing chunks
• Oil-soaked, mushy foam on front struts
• Harsh “bang” on big compressions, especially when loaded

Replacement is straightforward when paired with new shocks. The fronts require spring compressors to pull the strut apart, always fit the dust boot and bump-stop as a set and torque the top nut to spec, then get a wheel alignment. The rear is typically a bolt-on or press-fit bump rubber on the body—support the beam, unbolt the old one, clean the seat, and install the new part. Quality OE-style foam or rubber is fine for daily use, firmer polyurethane options can help if the car often carries a full load or hits corrugated roads.

Look after the bump-stops and the Gran Move’s ride will stay comfy, controlled, and kinder to tyres and shocks over the long haul.

Popular questions

How do you know the bump-stops on a 2001 Gran Move need replacing?

Check for cracking, missing pieces, or degraded foam under the front strut boots. A sharp thud on big bumps, especially with passengers or cargo, also points to failed or missing stops.

If the front dust boots are torn or the shocks are leaking, plan to replace the jounce bumpers at the same time—they age together.

Can you drive a Gran Move without bump-stops?

It’ll drive, but it’s not a good idea. Without them, the suspension can bottom out, bending mounts, blowing shock seals, and upsetting alignment. It’s a cheap part that prevents expensive drama.

Are the front and rear bump-stops the same on the 2001 Gran Move?

No. The fronts are foam/poly jounce bumpers that slide onto the strut shaft under a dust boot. The rears are body-mounted rubber bump rubbers that meet the beam axle on hard compression.