Parts for your 2008 Nissan Primera-Radiator hose

2008 Nissan Primera radiator hose: what it does and when to replace it

Based on the Nissan Primera P12 workshop manual (Cooling System section), the Nissan FAST parts catalogue, and application guides from major hose manufacturers such as Gates and Dayco, the 2008 Nissan Primera is fitted with conventional upper and lower radiator hoses. Those sources list specific upper/lower radiator hoses for P12 models (including QG18DE, QR20DE and YD22 diesel), confirming the radiator-hose is relevant to this vehicle.

The radiator hose on a 2008 Nissan Primera is a simple bit of kit that does a big job. It shuttles coolant between the engine and radiator under pressure, coping with heat, vibration and movement under the bonnet. The upper hose typically carries hot coolant out of the engine to the radiator, the lower hose returns cooled fluid back in. Good hoses help the thermostat and water pump keep temperatures rock steady, which protects gaskets, sensors and—most importantly—the engine.

As part of regular servicing, it’s smart to inspect the 2008‑Nissan‑Primera radiator hoses every service or at least every 10,000–15,000 kilometres. Squeeze-test for soft spots, feel for hardness near the ends, and look for swelling, cracks, glazing or crusty coolant traces around the clamps. Oil contamination (from a small leak elsewhere) can quickly degrade hose rubber, so any oily sheen is a red flag.

Replacement is often best done as a pair—upper and lower together—roughly every 6–10 years or 100,000–160,000 kilometres, sooner in hot Aussie and Kiwi conditions or if towing. When changing hoses:

• Use quality OEM-spec hoses and new clamps.
• Drain, then refill with the specified Nissan Long Life Coolant (blue/green as applicable) at the correct mix, use demineralised water if using concentrate.
• Seat hoses fully against the radiator and housing beads, tighten clamps firmly but don’t overdo it.
• Bleed the cooling system to purge air, then recheck levels and for leaks after a proper warm-up.

Signs a Primera radiator hose needs attention include temperature swings on the gauge, a sweet coolant smell, visible drips under the front, or a hose that’s gone spongy or ballooned. If any of that shows up, it’s time to sort it before it becomes an overheating drama.

Popular questions about 2008 Nissan Primera radiator hoses

How often should the radiator hoses be replaced?
Most owners can plan on 6–10 years or 100,000–160,000 km, but high heat, stop–start commuting, towing, or diesel torque can shorten hose life. Regular inspections are key—replace at the first sign of softness, swelling, cracking, or leaks.

What coolant should be used, and how much does it take?
Use Nissan Long Life Coolant to the spec for the engine fitted, typically at a 50/50 mix if using concentrate and demineralised water. Capacity varies by engine, but expect roughly 6–7.5 litres. Always check the owner’s/service manual and top up after bleeding air.

Can a split hose be patched to get home?
Emergency tape might buy a short, gentle drive, but it’s strictly temporary. Keep revs down, watch the temperature gauge like a hawk, and stop if it climbs. Replace the hose properly as soon as possible to avoid engine damage.