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Toyota knew of Lexus engine problem leading to recall two years ago

TOKYO — Toyota knew two years ago about the engine problem behind its latest Lexus recall, even changing the spring part to correct it, but did not think a recall was warranted until recently, a company official said Tuesday.

Toyota started Monday a global recall over engine defects in its Lexus luxury models sold around the world, as well as the Crown sold in Japan, moving to repair some 270,000 vehicles to replace valve springs — crucial engine components that are flawed and could cause vehicles to stall.

In August 2008, Toyota changed that spring part, making it thicker, to prevent the problem, spokesman Hideaki Homma told the Associated Press. That is why the latest recall does not affect vehicles produced after August 2008. Vehicles from the 2009 and 2010 model years are not affected.

Toyota, the world's top automaker, previously thought the problem was caused by a foreign substance entering during manufacturing of the valve springs, and beefed up checks so that wouldn't happen. But the company had thought the issue was an isolated problem that didn't require a recall.

"We changed the part in August (2008) because then the problem won't happen at all, even if tiny particles enter during manufacturing," Homma said. "We are talking about microscopic particles."

But the complaints started climbing, and Toyota decided recently they weren't isolated problems after all, but a design defect, and decided to issue the recall, Homma said.

Toyota has received about 200 complaints, but no accidents due to the defects have been reported.

Toyota has promised to recall problem cars more quickly to salvage a once-pristine reputation now in tatters after recalls ballooned to more than 8.5 million vehicles around the world since October.

Toyota executives have repeatedly vowed to put customers first. But it has been criticized as lagging in its response to quality lapses, and was slapped with a record $16.4 million in the United States for responding too slowly when the recall crisis erupted.

Auto analyst Koji Endo at Advanced Research Japan said automakers routinely improve parts and technology when a product is remodeled, and the facts don't necessarily point to an intentional coverup.

But he said that recall after recall at Toyota was devastating for its image, underlining how it had not properly paid attention to quality during its booming expansion years.

"They are paying for that now," he said. "Demand had been surging and so it was difficult to balance that with maintaining quality."

Endo said the popularity of the Lexus was likely to drop in the United States, giving a chance for growth to luxury rivals BMW and Mercedes-Benz amid a gradually recovering market.

Recalled vehicles

Affected in the latest recall by Toyota over a potentially faulty engine part that could cause vehicles to stall while moving are Lexus models GS350, GS450h, GS460, IS350, LS460, LS600h, LS600hL and Crown models, including about 138,000 vehicles in the United States, nearly 92,000 in Japan, 15,000 in Europe, 10,000 in the Middle East, 6,000 in China, 4,000 in Canada, and 8,000 elsewhere.

Toyota knew of Lexus engine problem leading to recall two years ago 07/06/10 [Last modified: Tuesday, July 6, 2010 10:44pm]
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