A Caucus Revolt occurs when enough members of a political party pressure its leadership to step down or to remove planned bills\legislation\policies from its platform. A Caucus Revolt generally concludes with the party leader resigning his position as such a revolt is usually seen to show poor leadership skills. Often the mere appearance of a Revolt in the Caucus maybe enough to force a leader to step down.

In Westminster Style Governments, if the party suffering from a Caucus Revolt is the current Government, often an Interim leader

Interim leader

An interim leader, in Canadian politics, is a party leader appointed by the party's legislative caucus or the party's executive to temporarily act as leader when a gap occurs between the resignation or death of a party leader and the election of a formal successor...

 will be appointed by the party until a Leadership Convention

Leadership convention

In Canadian politics, a leadership convention is held by a political party when the party needs to choose a leader due to a vacancy or a challenge to the incumbent leader.- Overview :...

 can be held to elect a new leader, or a general election is called should the Party Leader find a way to survive the Revolt.

Examples

After successfully leading the Liberal Party of Canada

Liberal Party of Canada

The Liberal Party of Canada , colloquially known as the Grits, is the oldest federally registered party in Canada. In the conventional political spectrum, the party sits between the centre and the centre-left. Historically the Liberal Party has positioned itself to the left of the Conservative...

 and being Prime Minister of Canada

Prime Minister of Canada

The Prime Minister of Canada is the primary minister of the Crown, chairman of the Cabinet, and thus head of government for Canada, charged with advising the Canadian monarch or viceroy on the exercise of the executive powers vested in them by the constitution...

 for over ten years, Jean Chrétien

Jean Chrétien

Joseph Jacques Jean Chrétien , known commonly as Jean Chrétien is a former Canadian politician who was the 20th Prime Minister of Canada. He served in the position for over ten years, from November 4, 1993 to December 12, 2003....

 was forced to step down as both Party Leader and Prime Minister of Canada at the threat of a Caucus Revolt from his long time Minister of Finance

Minister of Finance (Canada)

The Minister of Finance is the Minister of the Crown in the Canadian Cabinet who is responsible each year for presenting the federal government's budget...

 and political rival, Paul Martin Jr.

Paul Martin

Paul Edgar Philippe Martin, PC , also known as Paul Martin, Jr. is a Canadian politician who was the 21st Prime Minister of Canada, as well as leader of the Liberal Party of Canada....