Home >> Audi >> 2016 >> A3 TDI Prestige >> Repair and Diagnosis >> Engine Mechanical >> Mechanical >> CRANKSHAFT, CYLINDER BLOCK (4-Cylinder TDI Common Rail 1.6L; 2.0L 4V Engine) -- (A3 SEDAN) >> 13 Crankshaft, Cylinder Block >> Piston And Connecting Rod >> Overview - Pistons And Connecting Rods >> Oil Spray Jet And Pressure Relief Valve