The lawsuit alleges 126,000 Audis have defects in their turbocharged engines that cause the vehicles to guzzle oil.
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The fragile plastic water pump is another source of mechanical failure.Īudi and parent company Volkswagen had to settle a class-action lawsuit with owners of 2.0T-powered models that consumed motor oil at voracious rates. But neglecting the lower timing-chain tensioner on the 2.0-L engine can result in catastrophic damage when the chain jumps the timing Some VW Tiguan owners have paid $10,000 for replacement engines.
2011 ENGINE SERIAL NUMBER DECODING ECOTEC CODE
The chain-driven TSI engines – model years 2009 and up with a “C” engine code – are reputed to be more reliable than the previous belt-driven 2.0T. Between the high-pressure fuel pump failures, short-lived ignition coils and the chronic carbon buildup, the cost of German parts and repairs can shock and awe. It refers to a powerful 2.0-L turbocharged and direct-injected gasoline engine, one that can present a cluster headache for owners. Lots of Audi and Volkswagen models wear a 2.0T badge on their hindquarters. The top compression ring in the rebuild kit has a more robust coating and the updated fuel pump has an improved seal. Dealers will replace the four piston assemblies.
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Some owners have documented a quart or litre of oil lost in as little as 600 km. Some may be candidates for new pistons and piston rings. On models built before March 2011, there is a strong correlation between leaking high-pressure fuel pumps diluting the oil and resulting ring wear.ĭealers use an oil consumption test to measure wear: if a quart (0.95 L) disappears in under 3,200 km, the engine is considered defective. Beware if your four-cylinder Equinox/Terrain starts chugging like an old Massey-Ferguson tractor.Ī class-action lawsuit alleges the four-cylinder engine consumes as much as a litre of oil per 1,600 km travelled in 2010-2017 models. Plenty of timing chains, camshaft actuators and entire engines have been replaced, sometimes more than once. The redesigned 2010 Chevrolet Equinox and all-new GMC Terrain crossovers were big sellers – until owners began reporting the base 2.4-L four-cylinder engine eating itself after the timing chain stretched and jumped the gear teeth. Here are seven engines in some late-model vehicles that have been known to fail catastrophically.
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Some engines can run out of oil or throw a timing chain and grind themselves to smithereens. Despite almost 150 years of research, development and refinement, the principle of using a reciprocating piston to extract power from a controlled explosion endures. Today’s high-tech engines still bear some resemblance to Nikolaus Otto’s four-stroke internal combustion engine of 1876. The evidence is right there in the name: General Motors, Ford Motor Company and Bavarian Motor Werks, to rhyme off just a few. Car companies are first and foremost engine builders it’s their reason for being.