Total Engine Failure! Audi Q5 3.2L V6 FSI Engine Teardown
Is the Audi 3.2L V6 a viable engine for everyday Premium SUV's? In this video I teardown a catastrophically FAILED Audi Q5 FSI engine to dissect its failure modes, point out design differences between other simpler V6 engines in its power league and where Audi could have improved its complex array of gears and chains.
The engine in the video is from a 2012 Audi Q5, but it also found in the A4, A5 and A6. This is a 90 degree V6 engine (Engine Code: CALB) that features direct injection, which often causes issues with carbon buildup. However, this engine suffered major catastrophic damage to the connecting rod, engine block, upper oil pan and PCV system. This was likely due to oil starvation.
There are a few flaws with this engine design that make it far from robust. The oil system allows unfiltered oil to travel to the top of the engine block, through many oil galleries before reach the filter and then cooler. The direct injection system is known to cause extreme carbon buildup, often requiring an induction cleaning service dismantling the top of the engine. There is a driveshaft that powers the oil pump, and the timing components are on the back of the engine, requiring transmission removal to service. There is an abundant use of plastics across the engine, including numerous cooling components that can cause leaks.
Whether you've got this engine in your car or looking to buy an early model Audi with a 3.2, beware of its engineering disaster lurking behind the engine, as timing chain components are fragile and will have to be replaced at least once in the engine's lifetime.
Think the V8 is a better option? Engine teardown here:
• Why Audi V8 Engines are an Absolute Disaster
What about the tried and true EA888 2.0T FSI? Full teardown here:
• Why Volkswagen Engines Fail
Here's a look at the later model supercharged Audi V6:
• The Audi 3.0T Supercharged Engine was a FA...
0:00 Introduction
1:02 Teardown
19:51 Component Analysis
27:06 Conclusion
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