Remember last year when Porsche had to recall every new 911 GT3 to replace the engines? Well, it’s happening to 911 GT3 owners again. Porsche has written to owners urging them to bring their 911 GT3s in to their local dealership to have the engine replaced—for the second time.
-But whereas the original engine-replacement program affected every one of the 3.8-liter GT3 engines, the latest issue involves only about a dozen cars, according to Porsche. We know of five of the affected 911s, four of which are in use as ’Ring taxis on the Nürburgring Nordschleife.
-The March 2014 recall encompassed 785 911 GT3s and was spurred after two cars suffered engine fires. The original engines were found to have an issue with a loosened screw joint on the piston connecting rod. The latest problem is in the valvetrain of the flat-six engine, and Porsche says that rather than fix them, it was easier to simply remove the entire engine and replace it with a new one.
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“It is true that in some very rare cases we have had minor issues with the valvetrain,” Porsche spokesman Thomas Becki said. “To repair these engines would have taken longer than we found acceptable for our GT3 customers, so we replaced the engines and repaired them afterwards.” The repaired engines will be used by Porsche in development testing.
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from Car and Driver Blog http://ift.tt/1HRX1vY
via Agya
