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Nissan Pathfinder: Piston failure

Asked by Brian Burns

I've had three 2.5-litre Nissan Navara utes since 1997 - all of which have done over 280,000 km - and I have gotten used to the reliability of Nissan engines. I recently purchased a 2006 2.5-litre diesel Nissan Pathfinder, which had clocked up 140,000 km, with the idea that I could double this kilometrage. But upon taking out the engine, number two piston has a crack in the top, and to put it back in order I will have to replace four pistons, rings, bearings, gaskets and rebore it. An experienced engine-rebuilder told me the piston failure was due to 'over-fueling', which could be traced back to the computer and the air-intake sensor. Now, the sensor itself is either faulty or sending out incorrect signals? A list of new parts comes to $4600 or so. Maybe Nissan would be gracious enough to supply these to me at half the cost, I would be happy to cover the labour charges. What do you think?

Answered by CarsGuide

5 Oct 2012 Graham Smith

It's possible that they might come to the party and help out with part of the cost of repairs, so you should approach them with a claim. You might find, however, that because the car is six years old, you bought it secondhand so there's no record of its previous use, and it's well out of warranty I think your claim could be rejected.

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