My borther in law got one. IT had a minor frontal impact and was sent to dealership for repairs, they cahnegd the radiator as well along with fender denting, painting, bumper change etc.
Car was fine for a week within city but once it went out of city, it got overheated 3 times from Lahore to RYK.
It was 18k driven top of the line Prosmatec Oriel
I receovered the car from RYK, tried to drive it and it went fine till Multan and started heating again, we towed it from Multan to Islamabad, which is another story in itself
I tried getting quotes and info from dealers and was told that it will cost around 100k to get gasket changed and allied stuff, so we gave it a try ourselves as the car was busted already.
Surprisingly there is no way to change the head gasket while the engine is sitting in the car. Also engine goes down (like vans). To get the engine down, full suspension setup along with engine craddle has to be removed. Wiring has to be undone and it must be brough out before you attempt to take the engine out.
AFter 2 days engine was finally out. Got genuine parts which including, Rings, Gasket, Thermostat valves.
Got machining work done on the head from a specialist machinist with a prticular type of equipment for fine milling in order to make sure that original metal type gasket stays and work fine.
Car was finally done and rigurously tested with all passes
Total spend was 49k including 15k labour
The whole ordeal was too much to handle and i was realising at times why Honda has a certain reputition among mechanics but this is the way it is
Pictures can be found here
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Conclusion was drawn that since engine is mounted higher then the radiator top tank, bleeding is mandatory every time a full coolant fillup is required, those idiots at dealership missed this and car started overheating after pressure build up in the cooling system.
Repair process is explained already and i guess you people can have a clear idea about problems of this car.
Car is now sold, and surprisingly it was got checked by the buyer from a dealership and they gave it a clean bill of health after computerized check ups and a thorough inspection, in fact the seller increased on price by 50k after that check up