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Mercury preventive maintenance repair questions and answers

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  • AutoMD Member
    AutoMD Member - 1999 Mercury Villager - Preventive Maintenance - 2/3/2014
    Right side window glass not going up.
    mileage 180,000. it never happen before it just been out suddenly.engine was on.
     
    • HouseCallAuto
      2/3/2014 HouseCallAuto
      Try smacking the interior trim panel bith the side of your fist while activating the switch and it might come alive.
      HouseCallAuto
      2/3/2014 AutoMD Member
      I did it not work.
    • HouseCallAuto
      2/3/2014 HouseCallAuto
      You will need to pull the trim panel and check for battery voltage and ground at the motor connector while activating the switch.
  • TomCat
    TomCat - 1994 Mercury Grand Marquis - Preventive Maintenance - 11/29/2013
    1994 mercury grand marquis oil filter adapter gasket how to replace
    1994 mercury grand marquis oil filter adapter gasket how to replace and the cost to replace. find local mechanic (60453)
     
    • Jimm
      11/29/2013 Jimm
      There are several places that the Oil Filter Adaptor can leak oil. Three to be exact. 1. block side, 2. oil filter side, and 3. Oil Pressure Sending Unit (OPSU) side. It can also leak coolant from the coolant-hose side. So there are basically 4 areas where it could leak from. Assuming you meant leaking oil.

      First, are you sure it's leaking from the Oil Filter Adaptor gasket? Can you see any cracks in the OFA?
      Is it leaking from the BLOCK side, or the Oil-Pressure Sending Unit side?

      If the block side is leaking, maybe the bolts are just a little loose, will tightening them up make the leak go away? Check as a first step - is the filter on tight?
      If the OPSU side is leaking, clean the area well and see if there are any cracks. Sometimes people overtighten this and break the OFA.
      If there are no cracks, see if tightening the OPSU **C A R E F U L L Y** makes the leak go away. This is pipe thread which keeps expanding, and will break the cast-aluminum OFA before it bottoms OR tightens completely! 1/4 to 1/2 turn increments is fine. You want it to be snug, not real tight though. If this doesn't stop your leak from the OPSU, you should remove the OPSU, use a wire brush on the threads, use a good thread sealant (Permatex is good) and rethread the OPSU into the OFA ** C A R E F U L L Y**. If this doesn't work, then there is a hairline crack in the OFA, or oil is running down from the block and running downhill to the OPSU area.

      If there is a crack in the OFA (you may not be able to see it), you have to replace it. This is available aftermarket - Canton racing products - as example (pn 22-626)

      If there are no cracks, and it's leaking from the block side and seems to be coming from the gasket between the block and OFA, then you probably only need to change the gasket. The weird thing is I thought these cars had those steel-and-rubber gaskets for the OFA. The gasket is definitely reusable, but on a '92 maybe it is just corroding or too dry. Anyway the gasket was like $3.80 each (www.rockauto.com).

      Changing the OFA adaptor for me wasn't really hard, just a pain because the oill filter adaptor in these cars also has engine coolant running through it, which means you'll have to drain the coolant from the car.

      So you'll need:

      -Two (2) drain pans, 1 for whatever oil is in the filter, one for coolant
      -oil filter wrench
      -10mm socket, various swivels/extentions, ratchet
      - Iuse this "remote" OEM hose clamp removal tool. Basically it has what looks like a bicycle brake cable attached to it, and these two small jaws which fits the OEM hoseclamps. A lot of the time the clamps are positioned in a way so that it is hard to get a pair of pliers/channellocks in there. Made the job SO much easier.
      -small wire brush
      -pair of channellocks to remove OPSU
      -hydraulic floor jack
      -suitable jackstands for frame
      -creeper(optional)

      -Replacement coolant (book says 14.1 QT. for '96 and earlier, '97 -'00 take 15.8 Qt, but you won't need to add EVERY drop)
      -Replacement oil (roughly 1 QT)
      -New oil filter(optional)

      Spray OFA bolts with libricant; WD40, PB Blaster, etc.

      Drain the coolant, then jack up the car to oil-change height. Then remove the oil filter (drainpan #2), then put a rag over the filter side of the OFA to prevent any debris from getting in there. keep the drainpan, you might need it because you will find little leaks when you pull the OFA off the block.

      Then find the best socket / extension / swivel combo that will allow you to reach the OFA bolts, I believe there are four (been a while). Also behind I think (2) of the bolts there is a wiring bracket which holds a couple of wires on a clip, which I believe run to the PS pump. When you see it you'll know what I mean. Just break them loose a little.
      Remove the coolant hose from the coolant-hose side of the OFA.
      Remove the OFA bolts, remove the OFA but keep that little clip holding the wires there, and remove the gasket if it is stuck to the block.
      Shove a clean rag in there to keep trash / dirt out.

      If you are using a NEW OFA, you will have to either swap your old OPSU into the new OFA, or buy a new OPSU to go with your new OFA. Follow the same process decribed above, using thread sealant to seal the threads, and again ** C A R E F U L L Y ** thread into the NEW OFA.
      If you're just replacing the gasket , then skip that last part, because you will be retaining your stock peice.

      The gasket part # is F6AZ-6840-AA (OEM), or Fel-pro pn 70415, Victor Reinz pn B31703.

      With the rag in place, just wirebrush the block surface (good to do if it's a little rusty or grimy, then clean around the area.)
      Position the new gasket on OFA (new or old), (hang the gasket on the easiest bolt to do up and start it in the threads then align the gasket and fit a second bolt, I think the idea of the hexagon hole in the gasket is so that it grips one of the bolts to help with alignment.)
      then carefully pull rag out t
  • AutoMD Member
    AutoMD Member - 2004 Mercury Mountaineer - Preventive Maintenance - 11/27/2013
    I hear a roaring sound when I get up to 60-65 mph, then when I slow down, I hear a clicking noise
    This is the first time I've noticed this sound since I bought the vehicle 6 months ago.
     
    • Maize
      11/27/2013 Maize
      Bad wheel bearing most likely cause.
  • AutoMD Member
    AutoMD Member - 2003 Mercury Grand Marquis - Preventive Maintenance - 11/10/2013
    Why do my headlights go while drivin and com back on and go back out
    this happen while drivin at anytime
     
    • HouseCallAuto
      11/10/2013 HouseCallAuto
      Replace the Lighting Control Module. Probability here is near 100%.
  • AutoMD Member
    AutoMD Member - 2003 Mercury Grand Marquis - Preventive Maintenance - 11/10/2013
    Why does my headlights go out when I'm driving down the road
    this happens while drivin down the road while sittin still as well
     
    0 answer
  • AutoMD Member
    AutoMD Member - 2006 Mercury Grand Marquis - Preventive Maintenance - 11/6/2013
    My head light will not work on low beam.
    The only way i have any lights is to hold the turn/high beam lever on and hold it while driving. this keeps my light on in 'High" beam. It is interesting to notice that when if is fairly cold outside (50's) the regular beams come on and stay until engine is warmed ...
     
    • HouseCallAuto
      11/6/2013 HouseCallAuto
      Replace the lighting control module. Probability here is near 100%. You can google it to see location of module in your car.
  • ihland
    ihland - 1993 Mercury Grand Marquis - Preventive Maintenance - 9/2/2013
    It keeps blowing fuses. Why? Turn signals don't work. Brake lights don't work.
    The mechanic says that I could possibly need a turn signal switch. Is this switch inside of the steering column? Diagnosis is not positive?
     
    • diyautoelectric
      9/1/2013 diyautoelectric
      it blows fuses because there is a short. turn signal switch is inside of the steering column. If it blows as soon as you put a fuse in it , you can try disconnecting things till it stops blowing the fuse . you need to isolate which wire is shorted of if it is a switch that is bad
    • bear.1216
      9/2/2013 bear.1216
      You should also check out the rear bulbs. Excessive corrosion in the bulb sockets can cause shorts. If your vehicle is wired for trailer lights check that wiring as well.
  • billnjane
    billnjane - 2005 Mercury Montego - Preventive Maintenance - 8/28/2013
    ACCESS to SERPANTINE BELT
    At 107 K miles, I would like to inspect//replace the serpantine belt on my 2005 Mercury Montego. Question: do I have to remove the fendor splash shield? If so, can I do this without a "Lift"....I have Jack stands, floor jacks, and bottle jacks. Thanks for any ...
     
    • wbrockstar
      8/28/2013 wbrockstar
      Yes removing the splash shield is the best way to gain access.Its best if you have 1 person working on the upper pulleys while youre lying on the ground to get to the lower pulleys.Lift the vehicle up just high enough so you can work in a more comfortable position.You dont need a lift,but use those jack stands for sure,cause theyll save your life
  • ejstrom
    ejstrom - 2007 Mercury Grand Marquis - Preventive Maintenance - 7/5/2013
    Has there been a problem changing spark plugs
    I have heard that spark plugs have broken off in the block when being removed for replacement. Is this true!
     
    • CVO
      7/5/2013 CVO
      I help AutoMD for the last 3 years, i heard one case of a broken off spark plug in the block.
  • gaelynnvarney
    gaelynnvarney - 1990 Mercury Sable - Preventive Maintenance - 6/19/2013
    Power steering goes out, water coolant leaks,
    when cold, you can hear a whine and a squeal. when it is warm, power steering goes out intermittenly,then when I park, all the coolant leaks out from underneath. could it be a power steering hose or leaky pump? Power steering fluid is full. Just coolant leaks like a ...
     
    0 answer
  • huntington.ashley1
    huntington.ashley1 - 2002 Mercury Mountaineer - Preventive Maintenance - 5/26/2013
    When I started my Mountianeer, there was a clicking noise in the back trunk area.
    I took off the paneling in the back to locate it. When the following connection ( 1f2t-14a464 ga-000) was unplugged, it stopped. This did not affect the driving. BUT I can not find out what that piece controls. Can you be help me!!! Thanks!
     
    • huntington.ashley1
      5/26/2013 huntington.ashley1
      This is actually a 2003. SORRY!
    • HouseCallAuto
      5/26/2013 HouseCallAuto
      Maybe a power antenna? When they go bad they ratchet / click and if it is not an antenna, maybe this is a connector that attaches to a blend door actuator for your optional rear heat / ac unit. When the BDA goes bad it clicks.
  • djv103061
    djv103061 - 2007 Mercury Montego - Preventive Maintenance - 5/14/2013
    I cannot locate the vertical headlight adjustment screw
    The owners book just points to the location but I can't see the screw
     
    0 answer
  • everydayangel0414
    everydayangel0414 - 1994 Mercury Cougar - Preventive Maintenance - 3/22/2013
    Need help figuring this out. My local mechanics are stumped on this one.
    I have a 1994 Mercury Cougar XR-7 6 cylinder. I have been having the car serviced and parts replaced after years of neglect by sister who had the car before me. The catalytic converter was broken and replaced. The car recently had a much needed tune up. Then the ...
     
    • HouseCallAuto
      3/22/2013 HouseCallAuto
      Replace the throttle position sensor. Probability is greater than 75% here. It is a cheap part and easy to change, just do it.
      HouseCallAuto
      3/27/2013 everydayangel0414
      I replaced the the throttle position sensor and helped some, but still had some issues with idle and trying to stall. I took it a better shop. They needed to replace a cracked crank house sensor and rebuilt the distributor. The vehicle runs better. They said that the mass air flow sensor maybe bad. The tech disconnected it and the car ran great. Should I just clean it or better to replace it?
      HouseCallAuto
      3/30/2013 tonytiger35
      Start with cleaning the MAF first, if your car still has the crappy idle replace the MAF, and while the car is running tap on the MAF and if the idle changes then cleaning it will not do anything.
    • spanionneo
      3/22/2013 spanionneo
      The vibration is usually one of the mounts that is internally damaged. They need to be checked thoroughly. ( use a long bar to move engine around while car running and watch changes in vibration to frame.)
      I say take your car to more sophisticated shop. They need to watch, on a high end scanner, waves of certain sensors.
      spanionneo
      3/27/2013 everydayangel0414
      The mounts were checked and was told that they are ok, but due to the age of the vehicle. They should be replaced sooner than later.
  • tschulz711
    tschulz711 - 1998 Mercury Sable - Preventive Maintenance - 3/15/2013
    Should I remove the fuel injectors, even though there might be fuel pressure in the fuel rail? What will happen?
    There is a fuel pressure release valve on the fuel rail itself but when I pressed it down no pressure or gasoline came out. (I pressed fairly hard too). So I dont know if there is fuel pressure or not with in the fuel rails. Im scared that if there is and I remove ...
     
    • CVO
      3/15/2013 CVO
      Remove the fuel pump relay ( 5 prongs relay ) out of their socket and start the engine until the fuel gas ran out.
    • Oxides
      3/15/2013 Oxides
      might get a little spray. wear glasses. you'll be ok unless you turn the key on. once pressure is relieved nothing is going to come out of the tank. your fuel rail will probably drain out. but that's not a big deal.
      i recommend keeping a fire extinguisher around when working with the fuel system.
    • Oxides
      3/15/2013 Oxides
      god i hate spammers.
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      yweosdf
      3/15/2013 HouseCallAuto
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  • so3ny5a
    so3ny5a - 2002 Mercury Grand Marquis - Preventive Maintenance - 2/26/2013
    How do I Flush the Radiator?
     
    • HouseCallAuto
      2/26/2013 HouseCallAuto
      Well, it depends on how bad it looks. If it looks all rusty and brown and nasty, replace the radiator is best option, but if you don't want to do that, remove the thermostat and reinstall the water outlet housing. Put a garden hose into the top of the radiator and let it overflow. At this point you also have opened the drain valve on the bottom of the radiator and the engine is running. let the water run out until it runs clear. After it is all clear, reinstall a new thermostat, add 50/50 coolant and water mix.