Depends on where you live and who does the repair. Normally costs from $300 to $500. Fuel tank must be removed to replace the pump.
According to the 1999 Mercury Sable Owner Guide : ( 5W-30 )
What is a gem module for 1999 mercury sable? And what does it control?
1999 mercury sable horn replacement
On a 1999 Mercury Sable : The transaxle ( transmission ) is located in the engine compartment , bolted to the engine
According to the 1999 Mercury Sable Owner Guide : ( Motorcraft MERCON-V automatic transmission fluid ) ( to confirm the type used , it should be engraved in the automatic transmission fluid dipstick )
Reliable enough, but it's the transmission you should worry about.
On a 1999 Mercury Sable : Relay # 30 is the Powertrain Control Module ( PCM ) relay
According to the 1999 Mercury Sable Owner Guide : For the 3.0 litre " Vulcan " V6 engine and the 3.0 litre " Duratec " V6 engine : ( " regular " unleaded gasoline , 87 octane )
According to the 1999 Mercury Sable Owner Guide : ( 60.6 litres / 16.0 U.S. gallons )
Use exactly what the manufacture recommends. 5w30 should be the recommendation.
The ECM in a 1999 Mercury Sable is located on the inside of the vehicle on the passenger side. It is located under the kick plate.
To replace rotors and pads including labor cost you are looking at 600 bucks. axl