Loosen the clamp on the fuel filter with a screwdriver. Its metal casing surrounds the fuel line just in front of the gas tank. I believe it has 8mm or 10mm heads on the bolts. Disconnect one end of the vapor crossover hose at the rear over the driveshaft 4602. Remove the fuel pressure gauge, but keep the container handy when removing the fuel lines so you can catch any fuel that might spill out.
Connect the power to the pump. Reconnect the negative battery cable. Align the filter before pushing it on the pump. Locate the fuel filter, which is underneath the vehicle near the fuel tank. Installing the hose over the hard line and installing the clamp. The Mercury car fuel filter attaches to the fuel line and strains the fuel for any impurities. Lower the vehicle and reconnect the negative terminal.
Remove the bolts on the fuel filter with an adjustable wrench. Fuel will spill out when you disconnect the filter. If your sending unit retaining ring is damaged or rusted you can get a replacement. First thing to check is fuel pressure at the shrader valve. Remove the bolts from the fuel tank support straps 9092. The filter should simply fall away from the fuel line when the couplings are pushed together with enough pressure.
Therefore an engine rated at 350 horsepower will require about 175 pounds 29 gallons of fuel every hour. Once the filter is removed there is a retaining ring that holds the pump in the place. After it dies there will be no… the first thing you have to do is seperate it from being mechanical or electrical problem with the fuel pump. Then, remove the fuel pump relay from the relay pane and start the engine. Next, Disconnect the electrical terminals from the pump by depressing the tab on the locking terminals. Remove the fuel hose clamps, and then disconnect and plug the hoses to prevent them from leaking fuel. Connect the pressure gauge to the fuel pressure relief valve, which is on the fuel rail.
Disconnect fuel tank to filler pipe hose 9047 and vent hoses connecting the fuel tank filler pipe 9034 to fuel tank. Fuel Pump Diagnosis: If your fuel pump stops working no noise, no line pressure , the first thing that should be checked is the pump's voltage supply and electrical connections. Lower the vehicle and reconnect the negative battery cable. They must be disconnected with the fuel tank partially lowered from the vehicle. Disconnect electrical connector from the fuel pump module. Pull black rubber insulator off fuel pump.
Then, turn the engine over a couple of times to fully depressurize the fuel system. Reinstall retaining clip to secure pump to bracket. Install the pump back into the bracket. Using Parts cleaner or Brake cleaner wash dirt away from pump area. A gallon of gasoline weighs approximately 6 lbs.
Regular maintenance is required to keep your engine in good condition. This will help the gasket seat and not distort. Drain the fuel into a container. Reinstall the fuel tank back into the car. AutoZone offers a wide selection of vehicle parts, including cabin air filters, and you can rely on trustworthy advice from our expert staff. Crawl underneath the vehicle from the driver's side. Install the pump assembly back into the fuel tank using the new gasket.
The gasket is included with the kit. Disconnect the fuel lines, disconnect the rear fuel supply return, vapor tubes, and electrical connector from the fuel pump then remove remove from car. Install the new filter with the arrow pointing in the same direction that the fuel flows through the system. Wait for the engine to stall, relieving the fuel pressure. If you don't have good fuel pressure then you'll have determined it is a fuel delivery issue. Replacing your cabin air filter for Mercury Cougar at a service center typically charge labor in addition to the cost of parts.
Slide the Pump Baffle up to allow clearance so the pump can be removed. If you do have a good power and ground the pump is likely bad and needs to be replaced. Strip the shrink tubing from the positive wiring at the connector. Motormite products sells replacement Sending Unit Retainer Kits as part number 55811. Apply pressure to the filter and the fuel line until the quick release tabs are engaged. Posted on Aug 07, 2010 The fuel pump is mounted inside the tank.