What Happens to a 2.5T DAZA after 144K Miles - Full Teardown

In today’s video we tear down a high mileage Audi 2.5T DAZA engine from an Audi TTRS / RS3 to see how well it held up after 140,000 miles. These engines are known for making huge horsepower, but most of them never get driven enough to truly test long-term reliability. So today is an interesting experiment to find out what happens on these engine long term! @stephan_ttrs Instagram - https://www.instagram.com/stephan_ttr... Check out our New DAZA Catalog! Shop for VW and Audi Parts Here! http://shopdap.com ---------------------------------------------------- VW AUDI Specialty Repair Cornelius NC https://www.daprepair.com/vw-repair-c... ---------------------------------------------------- VW AUDI Specialty Repair Kent Ohio https://www.daprepair.com/vw-repair-a... ---------------------------------------------------- More info on DAP Reward Credit https://shopdap.com/store/rewardpoint... 0:00 – Intro 0:44 – Checking for Common Oil Leaks 1:18 – Common Problems on DAZA's 1:53 – Intake Manifold Removal & Cylinder Inspection 3:02 – Timing Chain & Guide Inspection 4:34 – Broken Timing Guide 6:34 – Removing the Valve Cover 7:07 – Variable Valve Lift Explained 7:29 – Camshaft Wear Found 9:02 – E85 Contamination in the Oil 10:43 – Cylinder Head Removal 11:30 – Pistons & Cylinder Wall Inspection 12:37 – High Pressure Fuel Pump System 14:05 – Oil Pan Removal 15:01 – Why E85 Can Damage Engine Oil 16:38 – Oil Pickup Inspection 17:02 – Rod Bearing Inspection 18:41 – Main Bearing Inspection 19:42 – Final Engine Condition Verdict