Parts for your 1998 Daihatsu Gran move-Brake calipers

1998 Daihatsu Gran Move Brake Calipers — What They Do and How to Look After Them

Technical fitment check: Brake calipers are fitted to the front brakes of the 1998 Daihatsu Gran Move (also known as the Pyzar, models G301/G303). Daihatsu’s factory Service Manual for the G3xx series (Brake/BR section) specifies a front disc with a sliding/floating caliper, while the rear is a drum setup with wheel cylinders. The Daihatsu Electronic Parts Catalogue (EPC) for G301/G303 likewise lists a front caliper assembly and pads. So brake calipers are absolutely relevant to this vehicle—on the front axle.

On the 1998 Gran Move, the front brake calipers are the muscle that clamp the pads onto the discs, converting hydraulic pressure into stopping force. They’re a floating design, so the body slides on pins to apply even pressure across the pad faces. When they’re healthy, braking is smooth, straight, and confidence-inspiring. When they’re sticky or leaking, the car can pull to one side, chew through pads, or feel a bit wooden underfoot.

As part of regular servicing, a brake specialist will check for seized slide pins, perished dust boots, uneven pad wear, and any fluid weeping past the piston seal. There’s no fixed replacement interval for calipers, it’s more about condition. If the piston is pitted or the slider bores are corroded, rebuilding may be short‑lived and replacement is the smarter option. Use the brake fluid grade shown on the cap, DOT 3 was common when new, and quality DOT 4 is typically fine in Australia and New Zealand unless otherwise specified.

• Tell‑tale signs a front caliper needs attention:
  • Pulling to one side under brakes
  • Uneven or rapid pad wear, or glazing
  • Hot wheel, burning smell, or brake drag after a drive
  • Fluid loss or a soft, sinking pedal

• Good practice during service:
  • Clean and lubricate slide pins with high‑temp, rubber‑safe grease
  • Replace torn boots and pad hardware, clean pad abutments
  • Inspect front hoses for cracks or bulges
  • Bleed/flush brake fluid every 2 years or around 40,000 km
  • Torque caliper bolts to manufacturer spec and use threadlocker if specified
  • Bed in new pads and discs properly to avoid judder

Look after the front calipers and the Gran Move will stop straight and true, with less pad chatter and fewer surprises on a wet Kiwi back road or a hot Aussie commute.

Popular questions about 1998 Daihatsu Gran Move brake calipers

Do the rear brakes on a 1998 Gran Move have calipers?
No. The rear uses drum brakes with wheel cylinders. Only the front axle runs disc brakes with calipers on this model.

How often should the front calipers be serviced?
Have them inspected at every regular service or at least every 10,000–15,000 kilometres. Clean and lubricate slide pins, check boots and hoses, and flush brake fluid every two years to keep everything moving freely.

Can the front calipers be rebuilt, or is replacement better?
If the pistons and bores are clean and within spec, a seal/boot kit can work well. If there’s heavy corrosion, sticking, or scoring, replacement calipers are usually the more reliable and economical choice long‑term.