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Mercury preventive maintenance repair questions and answers

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  • dawn
    dawn - 2005 Mercury Mountaineer - Preventive Maintenance - 1/18/2011
    Fuel gage drops to empty, what could this be
    fuel gage works on and off
     
    • Nissan Technical Advisor
      Either the fuel sending unit within the tank is weak or the gauge is defective. First thing to do is to check electrical connector and fuse if loose, if ok, remove and replace fuel sending unit.
  • Vincent  Anton
    Vincent Anton - 1995 Mercury Grand Marquis - Preventive Maintenance - 1/18/2011
    Where is the EGR located?
     
    • J and K AUTOMOTIVE TOWING AND REPAIR
      Jack up the passengers side of the car, get a 1 1/16" wrench break loose the fitting to the manifold, hold a 24 mm wrench on the fitting to the manifold, loosen the flare nut on the tube. Then using a 10 mm socket, about 2 inches long, loosen the two nuts under the EGR valve, then take the both out, remove the vacuum hose to the top of the EGR valve, and the sensing line from the small tube. then completely remove the flare nut from the orifice fitting on the manifold. BE CAREFUL with the tube, do not bend it or break it, you may find PB blaster useful the night before on a cold engine loosen these fittings. Once the EGR valve is out, remove the orifice out of the manifold, remove the tube from the EGR valve, again be careful, mark the tube to EGR position before pulling this off, because the top fitting to EGR needs tightened before you put it back in, it will make the lower fitting difficult if you do not line it up right, dry fitting from under the car is helpful, mark it, and then tighten the top. Clean out the tube, be careful not to bend the little tube, either inside or outside the larger tube, it sticks out inside. Clean the orifice, clean the manifold face carefully not to score it, check for blockage there too. Apply antisieze to the orifice, put it back in the manifold, then apply antisieze to the bolts for the egr valve, and the flare nuts both ends. Apply some silicon to the egr valve face, just enough to hold the gasket in place, put the new gasket on, start the bolts two turns in the gasket, it will hold them in place, then start them in the manifold, then start the lower flare fitting to orifice, tighten the top bolts, and then the flare nut, connect the vacuum line, connect the sensing line.

  • tonia
    tonia - 2000 Mercury Mountaineer - Preventive Maintenance - 1/16/2011
    After dark, when my headlights come, my left blinker doesnt work but has a shortage sound and when my brights are on nei
    brights are on neither blinker works
     
    • CVO
      1/16/2011 CVO
      Inspect the flasher relay for any corroded pins, the headlights may draw so much current and the flasher didn't have enough current to operate the blinkers. For more info, navigate to Autozone.com via this link for wiring diagrams. http://www.autozone.com/.../...rGuideContent.jsp
    • scotty306134
      1/16/2011 scotty306134
      Probably a bad ground on the left headlight assy.
  • edgar almodovar
    edgar almodovar - 2000 Mercury Villager - Preventive Maintenance - 1/10/2011
    Cold air in the back a/c but not the front
     
    • yboy82
      1/10/2011 yboy82
      Did you already check the condition of your blend door actuator?
  • shane
    shane - 1996 Mercury Cougar - Preventive Maintenance - 1/10/2011
    Winsheild wipers run when they want two what should i check for
     
    • yboy82
      1/10/2011 yboy82
      Did you already check the condition of the wires/connection in your wiper? Also check its switch.
  • Michael
    Michael - 2002 Mercury Sable - Preventive Maintenance - 1/4/2011
    The dashboard lights go off from time to time and no one is able to correct this.
     
    • Nissan Technical Advisor
      Did you sought advise of a professional already, did he checked the fuse, could be loose or defective? Try to replace the fuse for dahsboard lights and see if this can resolve the issue. Other than that there's a resistance or grounded wire in the wiring harness and can be detected by performing a continuity test.
      Nissan Technical Advisor
      7/3/2011 mark
      there is a plug in the top left of the gauge cluster. You can reach it by pulling the dash trim away from the cluster. put your hand in over the cluster and feel for the plug in the back. wiggle it to make a better contact. worst case pull the cluster and clean the contacts.been there Mark
  • neil williams
    neil williams - 1997 Mercury Grand Marquis - Preventive Maintenance - 12/28/2010
    Replace car trunk lock
    I have a 1997 mercury grand marque gs. I want to replace the trunk lock with a lock that just uses a key & bypass the electrical push button Please help & thank you
     
    • david
      12/28/2010 david
      unwire trunk electric motor then get a lock from autozone or ford dealer
      david
      12/28/2010 neil williams
      What about the wire that comes from the latch to the lock itself?
  • leroy
     
    • Bobby
      12/28/2010 Bobby
      check the switch for power to it, then check it for power out when pressing the switch, if no power out then the switch is bad
      Bobby
      1/9/2011 leroy
      thanks bobby i will try this and let you know
  • Vic
    Vic - 2004 Mercury Mountaineer - Preventive Maintenance - 12/27/2010
    When my truck sits idle at a red light it starts to shake like it wants to shut off.
    I have 70,000 miles. I added gas a week ago. I just noticed the problem today after work coming home when i got off the freeway and stopped at a red light. No engine light came on. About 2 weeks ago I had my oil changed and my tires rotated. Today was the first day ...
     
    • HouseCallAuto
      12/27/2010 HouseCallAuto
      The engine service light will come on very soon, maybe by tomorrow and then you will attach a code reader and see what codes have set. Until the light comes on or fault codes set you cannot know what to do. The light WILL come on. Either there is a misfire or a bad vacuum leak most likely.
    • yboy82
      12/27/2010 yboy82
      When you rotate your tires did you also done a wheel alignment?
      And if your tires and wheels are aligned, and have the same tire pressure try to check (and clean if needed) the condition of your air filter and fresh air intake hose, throttle body and MAF sensor (and its electrical connector).
    • david
      12/27/2010 david
      clean throd body with carb cleaner with engine off then open throd wide open then wipe out with a rage
  • karin
    karin - 1997 Mercury Villager - Preventive Maintenance - 12/23/2010
    Does this van have 2 converters? an should you replace the oxegen sensor when you replace converter
     
  • ray
    ray - 1991 Mercury Grand Marquis - Preventive Maintenance - 12/14/2010
    Wiper blades replacment ,not a hook but a pin assembly
    i want to change my wiper blades ,but it's a pin not a hook assembly,how do i get the old one off? the how to guide for that year shows a hook arm mine is a pin throught the side and all the way through
     
    • ref
      12/14/2010 ref
      Buy them at a car parts store and let them change it for you.(like auto zone)
  • callpb
    callpb - 2005 Mercury Grand Marquis - Preventive Maintenance - 12/11/2010
    How do I change the side light bulb
     
  • mark bellinger
    mark bellinger - 2003 Mercury Grand Marquis - Preventive Maintenance - 12/10/2010
    Sometimes my headlights don't come on when I turn on switch, just parking lights
    This usually happens after I have been driving the car for awhile. I shut it off to go into a store and when I come out and start car and turn on lights they don't work. A few times they would come on if I put on my turn signal.
     
    • Nissan Technical Advisor
      Check the fuses if loose and fit them properly. Check the alternator output; perhaps this happens when there is a lot of accessory loads open and the alternator output is low that why the lights went dim or out. Check also the alternator belt if worn or cracked.
  • Gail
    Gail - 1999 Mercury Mountaineer - Preventive Maintenance - 12/8/2010
    Water is leaking from my truck after the water pump has been replaced. It doesn't run hot unless I turn the heater on.
    the guy that fixed it said that it needs the waterpump housing to stop it from pouring out the antifreeze. But I've never heard of a waterpump housing.
     
    • Bill
      12/8/2010 Bill
      Mybe he means gasket seal.
  • danamelia
    danamelia - 2000 Mercury Villager - Preventive Maintenance - 12/6/2010
    Why does my heater/AC only work when turned on at the highest level?
    Whenever we use the AC or Heater we have to turn the fan up to the highest level of 4 before it blows air out. I am curious if there might be an easy fix for me to do or if it is best for me take it in. The van has about 100,000 miles on it and I don't know ...
     
    • J and K AUTOMOTIVE TOWING AND REPAIR
      Danamelia its your blower motor resistor gone bad autozone has them for your car one is front unitmotor resistor....part number........JA1540............$64.99 and a Auxiliary heater motor resistor..........part number..JA1528.......$33.99.....hope this helps you and good luck.
    • clicketysplit
      12/6/2010 clicketysplit
      I have a 1996 Villager and it is made to be that way. The climate control in the vehicle is computer controlled and the A/C or heat blower fan only comes on high when manually placed into the upward highest position. The vehicle has it's own built in thermostat that takes a few minutes to get an accurate interior temperature of the vehicle before it does anything.

      Try this; press the "Automatic" button on the Climate Control Panel and adjust the temperature you desire with the Temperature button just below it and wait a couple minutes until it the vehicle's computer can get an accurate interior temperature reading, -chances are if the current temperature of interior is significantly lower or higher than what you select depending on outside temperature it will automatically adjust the blower fan to an appropriate speed.

      If you want to manually adjust the blower fan to blow out heat or A/C faster just use the thumb wheel on the right side of the Climate Control panel up or down. It will only blow out faster if you manually select the faster speed.

      There is nothing wrong with it, that's the way it's supposed to work. Give it more of a chance, when the cars computer registers the interior temperature it will automatically adjust the blower fan according to what temperature you select and the interior temperature of the vehicle.

      Let us know what happens.