Question about 1999 Mercury Grand Marquis

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Where is the thermostat located on a 1999 grand marquis

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Follow the upper radiator hose to the engine, drain the cooling system remove the radiator hose from eng, look inside the nipple the upper hose was attached to u will see the thermostat.

Posted on Jun 28, 2009


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On 1999 grand marquis, cut fuel pump assembly wires 3. On new one, the wires are different colors. How can i find out how to match them up

Match the location of where each original color goes to the same location on the new pump regardless of color and connect them. GOOD TO GO!

Dec 18, 2016 | 1999 Mercury Grand Marquis

1 Answer

Need a diagram for removing the thermostat housing for 1999 mercury grand Marquis

you remove the 2 bolts going to the top of the motor where the radiator hose connects to and the thermostat is right there if you need more than that google for images

Jun 17, 2015 | 1999 Mercury Grand Marquis

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Show diagram how thermostat fits into housing on 1999 mercury grand marquis

the termostat have a flat side and point side .flat side go to inside of the engine .

Aug 04, 2012 | 1999 Mercury Grand Marquis

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Where is the airbags sensor located on a 1999 grand marquis

SRS sensors are located under hood in engine compartment. They're bright orange/red and are cylindrical in shape. If your SRS lights are on, you need a special reset tool (very expensive tool) to reset. Any good shop including body shops have SRS reset tools and can reset your lights.

Feb 27, 2011 | 1999 Mercury Grand Marquis

1 Answer

1999 mercury grand marquis occasionally overheats, leaks around radiator cap, makes gurgling noise on passenger side. Have replaced heater core, water pump, thermostat, hoses,& radiator cap.

Check the antifreeze for oil, pull your dipstick out, see if antifreeze is in oil or smells sweet or over full, sounds like you may of a bad head gasket. You can also check this by having a compression test done on the cylinders.

Feb 18, 2011 | 1999 Mercury Grand Marquis

3 Answers

Fuse diagram for 1999 mercury marquis

HERE can find this diagram and description about fuses and fuse box locations: Mercury-Grand-Marquis-Owners-Manual

Hope helps (remember rated and comment this).

Aug 08, 2010 | 1999 Mercury Grand Marquis

1 Answer

Where is the thermostat located on a 1997 grand marquis?

Follow the upper radiator hose down to the engine to the intake manifold, you will find the thermostat housing, under it is the thermostat. Couple of bolts and hose clamps, and your there. Good luck, dont forget to rate.

Jan 25, 2010 | 1997 Mercury Grand Marquis

1 Answer

What sensor tells the thermostat to open and the location

there is no sensor that opens the thermostat if its not opening you need a thermostat be sure not to put it in backwards as it will not open if installed wrong

Aug 06, 2009 | 1999 Mercury Grand Marquis

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