All he could remember was that her name was Whina, or maybe Fina, and that she appeared from a grey pre-fab house on State Highway 12.
He hadn't touched a jack in 20 years — there was no need in Tokyo — so Whina "ran the whole show", to the amusement of his wife and glowing admiration of his mother.
He had searched the internet and Google Earth and even contacted the school in a bid to find her address, without success.
Zamboni was now hoping an Advocate reader would recognise her and put him in touch with her.
"It has really started to nag me that such kind, unsolicited help hasn't in some way been acknowledged ... We had such a good trip and the biggest reason was because of the people we met," he said.
"The guys at Real Deal Tyres Kaikohe and the Bridgestone Tyre Centre were also fantastic. Whina on top of it all was more than special,"
■ If you know how Clemens Zamboni can get hold of the Waima woman who helped his family, email the Advocate's Far North office at peter.degraaf@nzme.co.nz or call/text 021 516 468.