‘Amr b. Shu'aib, quoting his father on the authority of his grandfather, said that a nomadic Arab came to the Prophet and asked him about ablution. He demonstrated it, performing each detail three times and then said, “This is how ablution should be performed. If anyone does more than this, he has done wrong, transgressed, and done wickedly.”
Nasa’i and Ibn Majah transmitted it, and Abu Dawud transmitted something to the same effect.
Abu Umama mentioned how God’s messenger performed ablution, saying that he used to wipe the corners of his eyes, and he said that the ears are treated as part of the head.
Ibn Majah, Abu Dawud and Tirmidhi transmitted it, and the last two mentioned that Hammad said he did not know whether “the ears are treated as part of the head” belongs to what Abu Umama said, or to what God’s messenger said.
‘Abdallah b. al-Mughaffal on hearing his son say, “O God, I ask Thee for the white palace on the right of paradise,” said, “Sonny, ask God for paradise and seek refuge in Him from hell, for I heard God’s Messenger say, ‘There will be some among this people who will go over the score in ablution and supplication.”
‘Abdallah b. Zaid said that he saw the Prophet perform ablution, and that he wiped his head with water which was not what was left over after washing his hands, .
Tirmidhi transmitted it, and Muslim transmitted it with additions.