On a 2001 Ford Taurus :
You could have the 3.0 liter " Vulcan " V6 engine ( and its flex fuel
version ) which is an Over Head Valve / pushrod design engine
Or the 3.0 liter " Duratec " V6 engine which is a Dual Over Head Cam
design engine
The 2001 Ford Taurus has overhead valves (OHV).
A 2001 Ford Taurus came from the factory with either the 3.0L " Vulcan " V6 engine ( and the flex fuel version ) which are an Over Head Valve design or The 3.0 L " Duratec " which is a Dual Over Head Cam engine
In a 2001 Ford Taurus : ---------------------------------------------------------------------------------------------------- The 3.0 " Vulcan " V6 engine , and its flex fuel version is an ( Over Head Valve / pushrod design engine ) ----------------------------------------------------------------------------------------------------- The 3.0 " Duratec " V6 engine is a ( Dual Over Head Cam design engine )
The 2003 Ford Taurus has overhead valves (OHV).
The 2006 Ford Taurus has overhead valves (OHV).
The 2004 Ford Taurus has overhead valves (OHV).
The 2007 Ford Taurus has overhead valves (OHV).
The 2005 Ford Taurus has overhead valves (OHV).
The 2002 Ford Taurus has overhead valves (OHV).
I am not aware of a coolant bleeder valve on the Taurus/Sables.See "Related Questions" below for more about bleeding air from the cooling system.
It either has the 3.0 liter over head valve " Vulcan " engine ( which came in " regular " unleaded gas , 87 octane , or Flex Fuel Vehicle versions ) or the 3.0 liter " Duratec " DOHC engine
The 2010 Ford Taurus has double overhead cam (DOHC).