2008 Honda Aquatrax ARX1500T3/T3D factory service manual, Page 330Get this manual
EXHAUST SYSTEMJTURBOCHARGER CLEANING AND INSPECTION Remove the carbon deposits from the exhaust manifold to clean themFlush the water passages in the exhaust manifold with pressurized fresh water to remove any foreign materialCheck the water passages for corrosionCheck the mating surfaces for nicks or other damage
EXHAUST MANiFOi_D
INSTALLATION
Clean the mating surfaces thoroughlyPour small amount of clean engine oil into the turbocharger through the oil inlet holeInstall new gasket