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My 2013 Toyota Prado has recently had its motor replaced due to cracked piston. Was there a recall on this model?
This is a pretty well known problem with the three-litre turbo-diesel that Toyota was fitting to Prados between 2009 and 2014. The problem began when Toyota redesigned the pistons of the engine to help it achieve Euro 4 emissions standards. Earlier versions of the motor that didn’t comply with Euro 4 did not have the same problem.
The piston cracking most commonly occurs once the engine has covered something like 100,000km or 150,000km. It was also most likely to occur in engines that had been modified to produce more turbo-boost or vehicles that had been used for extended periods of towing heavy loads.
Toyota did issue a service bulletin for the problem and began fitting post-2014 engines with different fuel injectors and a revised piston design. Piston failures in these later engines are rarer but still not entirely unknown. Even though a service bulletin was issued, Toyota did not issue a recall for the affected vehicles.
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