2.9 LITER. Breather tube. LEFT UPPER. PartQualifier: side. side. A line that carries coolant from the engine through the turbocharger and back into the engine. Breather tube. Cross over pipe. Hose AND Amplifier; tube Assembly. Suction Hose. Turbocharger Coolant Line. Water feed tube. Water inlet tube. Water Outlet. Water retrn tube.