Audi Q5 3.0T Full Engine Overhaul: Fixing Cylinder Scuffing & Power Loss

A Total Transformation of an Audi Q5 3.0T. In today's video, we take on a challenging restoration of an Audi Q5 3.0T (EA837 engine). This car arrived with severe cylinder scuffing, delayed starting issues, and a worn-out suspension system. What we cover in this restoration: Diagnostics: Testing fuel pressure and identifying high-pressure pump leaks. Engine Teardown: Full disassembly to reveal the extent of the damage. Precision Machining: CNC cylinder boring, valve seat refacing, and magnetic polishing. Parts Replacement: New high-pressure fuel pump, steering column, and engine mounts. Performance Testing: Dyno run comparison (Before vs. After) showing a significant boost in torque and a smoother power curve. The goal wasn't just to fix the car, but to restore its original "driving soul." Watch the meticulous "One Man, One Engine" assembly process. Don't forget to Like and Subscribe for more high-end car restoration content!