PCV Testing Procedures? Oil filter housing/oil cooler removed and cleaned, Charge air cooler/intercooler removed and cleaned, Oil return pipe from turbo removed and cleaned. ... Mk7 R: Big Turbo ... /r/GolfGTI is a place for GTI enthusiasts to discuss and share information related to the best car that can be had for less than $30K. http://www.golfmk7.com/forums/showthread.php?t=4709, http://www.golfmk7.com/forums/showthread.php?t=6100. Tags: carbon build-up, case study, Oil starvation. The flywheel is fixed to the crankshaft, the far end of which has the thrust bearing. I'm talking about the un lubricated lateral force applied to the crankshaft and thrust bearing when the clutch pedal is depressed on startup. GTI Engine / Drivetrain / Exhaust / Tunes . No Problem! Also check out their new site at SHOPDAP.com. They have great prices and awesome service. The symptoms are: Symptoms of a failing PCV system can start to show at any time. // ]]>Amazon.com Widgets, As long as your engine is not worn and your just out of warranty. Whilst turbo failure is a common occurrence on this engine, once properly repaired, a new turbo should last many thousands of miles. This one is extra cool because it is a bad turbo from a MK7 GTI! It was clear this turbo had failed due to oil starvation. //