Relieve the Fuel Pressure

• 1). Open the fuel door, then remove the fuel cap by hand.
  
  
• 2). Locate the fuse box under the passenger side of the dashboard. Open the fuse box, then remove the fuel pump fuse with a fuse puller.
  
  
• 3). Start the engine. Run the engine until it stalls from lack of fuel. Turn the engine over with the key for three seconds to finish purging the fuel system.
  
  
• 4). Open the hood, then remove the battery's negative cable with a wrench.
  
  

Fuel Filter Access

• 1). Open the trunk. Pull the bottom liner free from the trunk by hand, then remove it fully from the vehicle.
  
  
• 2). Remove seven nuts holding down the fuel pump access cover, using a wrench. Lift the cover up and off the cover studs.
  
  
• 3). Remove the fuel pump retainer with a pair of inside snap-ring pliers. Carefully lift the pump assembly out of the tank. Use caution when handling the pump assembly, as the float and float arm are delicate and can be easily damaged.
  
  
• 4). Carefully pry the fuel filter off the pump intake nipple, using a flat screwdriver.
  
  
• 5). Install the new fuel filter onto the pump intake nipple.
  
  
• 6). Reverse the disassembly steps to reassemble the fuel filter on the Regal.