Jack up the vehicle under the trunk you will see a cover with hoses coming out on its side the vent valve is under that cover /////the nuts and bolts will be severely rusted and don't try to open till you have replacements for them otherwise you willl not be able to reattach the cover you're going to need liquid wrench the new bolts and nuts long needle nose pliers also long vise grips angled needle nose pliers a long strong screw driver flat blade a 3/8 drive or 1/2 drive socket set a breaker bar in the drive your using , you'll need the long screw driver to wedge or the pliers to hold onto the bolt heads for removal and assembly also use antiseize lube on the threads have fun this is a pain because of the rusted bolts but just be patient you ll get it done wear safety glasses for rust an dirt to stay out of your eyes and a bandana around your mouth and one for your head good luck stephen
SOURCE: where are the spark plugs located on a 2000 Mercury Grand Marquis
There are eight COPs (coil-on-plugs) to remove. Using a 7mm or 9/32" socket, remove each bolt securing each COP to the intake manifold on top of the engine. Remove all eight COPs, and the spark plugs are underneath. When replacing the spark plugs, use only the proper Ford/Motorcraft plugs, even if they cost twice as much as the aftermarket ones. You will avoid further headaches this way. Hope this helps.
SOURCE: 2003 Grand Marquis LS Ultimate ac switches from
Does it only change when going uphill, or under heavy acceleration? Or is it just when ever it feels like it? Generally, it's vacuum controlled and on a Ford, loss of vacuum when accelerating or pulling a grade under heavy loads can be normal, causing the air to come out of the defrost. To answer your question, the blower door is located in the dash, generally behind the radio area.
Good luck!
SOURCE: 2000 mercury grand marquis HVAC air distribution
there is a vacuum motor that controls direction for air flow. when there is a vacuum leak, the control door defaults to the defrost vent. the motor, vacuum lines and directional control knob must be inspected. most of the time i have found that there is a vacuum line broken. purchasing a repair manual will help locate and discribe the system.
SOURCE: I am looking for the
There are 2 fuse blocks in a 2000 Grand marquis, One is under the dashboard on the drivers side. There is a panel that you have to remove that is just below the steering column. The other is under the hood on the Passenger side of the car, pretty close to the Coolant overflow reservoir. The functions of all those fuses are in a diagram located in your service manual. If you need a picture, let me know, i have an 01 grand marquis and have had to replace fuses in both blocks. Hope this helps.
SOURCE: air conditioner blows heated air
Sounds like ??
If the compressor is running and the system is full of freon, you may have a blend door problem under the dash. The blend door directs air flow thru the heater core and evaporator core depending on the temp setting on the dash.
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