Sayyiduna Abu Umamah (may Allah be pleased with him) says: The Messenger of Allah (peace and blessings be upon him) said: "When a Muslim man performs ablution, his sins depart from his ears, his eyes, his hands and his feet; then if he sits, he sits forgiven."
Hadith Referenceالمعجم الكبير للطبراني / باب الصاد / 7529