Parts for your 1999 Daihatsu Gran move-Exhaust gasket

1999 Daihatsu Gran Move exhaust gasket — what it does and when to replace it

Yes, the 1999 Daihatsu Gran Move uses exhaust gaskets. Factory literature and parts listings identify multiple gaskets in the exhaust path, including the cylinder head to exhaust manifold gasket and the front pipe “donut”/flange gasket. Relevant sources include the Daihatsu Gran Move/Pyzar Service Manual (Exhaust System section), the Daihatsu Electronic Parts Catalogue for Gran Move/Pyzar (1996–2002), and AU/NZ market parts databases such as Infomedia Microcat, general workshop data sets (e.g., Autodata) also specify manifold torque procedures that assume a replace-once-disturbed gasket.

On the Gran Move, the exhaust gasket’s job is simple but critical: it seals hot gases as they leave the engine and head into the exhaust system. A healthy gasket keeps things quiet, protects nearby components from heat, and ensures the oxygen sensor gets clean readings so the engine can run sweet as. If it’s leaking, you’ll usually hear a ticking or chuffing on cold start, smell exhaust near the bay, or spot sooty marks around the flange or manifold.

When servicing the Gran Move’s exhaust, it’s smart to treat gaskets as consumables. Any time the manifold or front pipe is removed, fit a new gasket. Doing so helps avoid repeat jobs, protects the cat, and keeps emissions in check. A few practical tips:

• Prep matters: clean both mating surfaces, lightly dress any high spots without gouging the flange.
• Use quality parts: choose a multi-layer steel (MLS) or graphite-faced manifold gasket and the correct donut/flange gasket for the front pipe.
• Mind the torque: tighten manifold fasteners in a criss-cross pattern to the workshop-specified torque, then recheck after a heat cycle.
• Refresh hardware: old studs and copper nuts often fatigue, replace them to prevent future hassles.
• Check nearby bits: inspect O2 sensor wiring and heat shields while you’re there.

Common signs it’s time include rising exhaust noise, a whiff of fumes in the cabin at idle, a slight loss of low-end torque, or a check-engine light from skewed O2 readings. In Aussie and Kiwi conditions—short trips, coastal air, and the odd gravel run—thermal cycles and corrosion accelerate wear, so proactive replacement pays off. Most owners bundle gasket replacement with any manifold, front pipe, or cat work, or whenever chasing an exhaust leak.

Done right with fresh gaskets, proper torque, and sound hardware, the Gran Move’s exhaust seals will stay quiet and reliable for years.

Popular questions about 1999 Daihatsu Gran Move exhaust gaskets

What are the tell-tale signs of a blown exhaust gasket on a Gran Move?
Expect a sharp ticking that lessens as the engine warms, a sooty smear around the manifold or front flange, and sometimes a faint exhaust smell near the firewall. If the leak’s upstream of the O2 sensor, fuel economy can slide and the MIL may light due to skewed readings.

How often should the exhaust gasket be replaced?
There’s no fixed kilometre interval. Replace any time the joint is disturbed, or at the first sign of leakage. On older Gran Moves, it’s common to refresh the manifold gasket, the front pipe donut, and hardware together when doing other exhaust or head work.

Can it be driven with a leaking exhaust gasket?
Short term, it might be drivable, but it’s not ideal. Leaks can let hot gas hit wiring and shields, trigger incorrect O2 readings, and in worst cases allow fumes into the cabin. It’s safer and cheaper long term to fix it promptly.