Promo banner

Change Car Water Pump

Easy 1h30–2h00 ~150–200£
Estimated time 1h30–2h00
Estimated labour cost ~150–200£
Difficulty Easy

What is the function of a Isuzu D-Max water pump?

The water pump circulates the coolant through the engine and radiators. Together with the thermostat, it maintains the engine within its operating temperature range. Most engines have a mechanical water pump driven by the timing belt or an accessory belt.

When should you change the Isuzu D-Max water pump?

If the water pump is driven by the timing belt, it is strongly recommended to replace it at the same time as the timing belt kit. Signs of failure include: coolant leak from the pump weep hole, grinding or whining noise, engine overheating.

Is it difficult to change the Isuzu D-Max water pump?

Difficulty level 2/5: technically easy if replaced as part of a timing belt kit change. If replaced independently, the timing belt must be removed and refitted, requiring engine timing tools.

2 models covered

Model Year Range Engines covered Fuel
D-Max 2001-2012 2001-2012 2.5 D Diesel (4JA1-TC), 2.5 DiTD Diesel (4JK1-TC), 3.0 DiTD Diesel (4JH1-TC), 3.0 DiTD Diesel (4JJ1-TC) Diesel
D-Max 2012-2025 2012-2025 1.9 DDi Diesel (RZ4E-TC), 2.5 DiTD Diesel (4JK1-TCY) Diesel