Parts for your 2010 Honda Elysion-Head gasket

2010 Honda Elysion head gasket — what it does and when to sort it

Yes, the 2010 Honda Elysion absolutely uses a head gasket. Technical sources including the Honda Elysion RR1–RR5 Factory Service Manual, Honda’s Electronic Parts Catalogue (EPC), and Honda K24A/J30A/J35A engine service literature list a cylinder head gasket (often specified as a multi-layer steel gasket) for both the 2.4‑litre K24A four‑cylinder and the V6 variants used in this model year.

On this Elysion, the head gasket sits between the engine block and the cylinder head. Its job is to seal three critical things at once: high‑pressure combustion, engine oil circuits, and coolant passages. A good gasket maintains compression so the engine pulls strongly, while also keeping oil and coolant from mixing. Honda specifies robust multi‑layer steel (MLS) gaskets on these engines to handle heat cycles, pressure, and the slight movement that happens as alloy heads and iron/alu blocks expand and contract.

While a head gasket isn’t a routine “service item”, a bit of smart maintenance goes a long way to keeping it happy:

• Cooling system care: use the correct Honda Type 2 coolant (or equivalent), keep the radiator clean, and replace the thermostat and cap when tired.
• Oil quality: regular changes with the right spec stop sludge and hotspots that can stress the gasket.
• Overheating avoidance: fix leaks promptly and don’t drive on a hot gauge — heat is the gasket’s worst enemy.

Common signs that suggest a failing head gasket on an Elysion include:

• Persistent overheating or rapid pressurising of the cooling system
• White exhaust vapour after warm‑up, sweet coolant smell, or unexplained coolant loss
• Milky residue under the oil cap or on the dipstick
• Rough cold start or misfire on one bank (V6) or cylinder

If replacement is needed, it’s worth doing it once and doing it right. A proper repair involves surface checks of the head and block (machining the head if out of spec), new head bolts (many are torque‑to‑yield), an OEM‑quality MLS gasket set, and fresh coolant and oil. Good workshops will add tests like a block test, compression and leak‑down, and they’ll often recommend pairing the job with a water pump, hoses, and timing components if access overlaps. For day‑to‑day owners, the best “service” for the head gasket is keeping the cooling system in top nick and sorting any leaks before they become a drama under the bonnet.

• Does the 2010 Honda Elysion have a head gasket?
  Yes. Both the K24A 2.4‑litre and the V6 engines in the 2010 Elysion use an MLS head gasket as detailed in Honda’s service information and parts catalogues.
• What are the tell‑tale signs of a blown head gasket?
  Overheating, coolant loss with no visible leak, white exhaust vapour after warm‑up, milky oil, or constant bubbles in the expansion tank are classic clues. A cooling‑system chemical block test or a leak‑down test will confirm it.
• How much does replacement usually cost in Australia or NZ?
  Costs vary with engine (K24 vs V6), machining needs, and parts choice. As a ballpark, expect a multi‑day job, budgeting for quality parts, machining, new bolts, and fluids is wise. A proper quote after testing is the best way forward.