 In 2006, Thériault argued that Montreal's formula for determining borough budgets discriminated against her area of the city.She later opposed a plan to rename Montreal's Park Avenue and Bleury Street after former Quebec premier Robert Bourassa, and in early 2007 she criticized a municipal plan to grant a ten-year untendered contract for a non-profit organization to oversee Montreal's recyclable waste.In the buildup to the 2009 municipal election, Thériault lost her bid for renomination as Vision Montreal's borough mayor candidate to Réal Ménard, a Bloc Québécois (BQ) member of the House of Commons of Canada.