Originally they required ATF type F , though newer technology may allow the use of multi-application fluids, such as synthetic.
The recommended automatic transmission fluid for the 2005-2007 Mustang is Mercon V automatic transmission fluid
Type F Automatic Transmission Fluid.
Mercon V
Motorcraft MERCON automatic transmission fluid is used for the power steering fluid in a 2001 Ford Mustang according to the Owner Guide
According to the 2002 Ford Mustang Owner Guide : 3.8 liter manual transmission fluid ( Motorcraft MERCON automatic transmission fluid ) 4.6 liter manual transmission fluid ( Motorcraft synthetic MERCON automatic transmission fluid )
Motorcraft MERCON - V - automatic transmission fluid ( I believe it is stamped into the automatic transmission dipstick )
Use Motorcraft ATF
For a 2002 Ford Mustang , 5 speed manual transmission : With the 3.8 liter V6 engine ( 2.8 U.S. quarts of Motorcraft MERCON automatic transmission fluid ) With the 4.6 L , V8 ( 4.0 quarts of SYNTHETIC MERCON automatic transmission fluid )
According to the 2002 Ford Mustang Owner Guide : The automatic transmission fluid used with the 4.6 liter SOHC , V8 engine is : ( Motorcraft MERCON - V , automatic transmission fluid ) * the type used should be engraved in the dipstick , or printed on the dipstick handle , just to confirm *
According to the 2001 Ford Mustang Owner Guide , the 5 speed manual transmission that is used with the 3.8 liter V6 engine takes ( Motorcraft MERCON automatic transmission fluid )
Most likely it will take mercon transmission fluid. Not to be confused with mercon V transmission fluid. To be sure pull the transmission stick out and read the side of the stick. It will tell you what fluid to use.
Your mustang with a manual transmission takes automatic transmission fluid. the capacity is 5.6 Pts (US). The fill plug is located on the side of the transmission. Macs Transmissions 281-394-4951 Macstransmissions@gmail.com