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Mercury preventive maintenance repair questions and answers

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    • HouseCallAuto
      11/27/2010 HouseCallAuto
      Probably fine. Remove the spark plugs and inject an ounce of oil into each of the cylinders and then distribute the oil with compressed air into each cylinder for a few seconds. then let it sit overnight. Next day try to turn the crankshaft manually. if it moves OK, charge or replace the battery and start it up or at least see if it starts. the gasoline that is in there is likely degraded but I have started at least two cars with no issues where the gasoline was 5 years old and it ran decent. You just never know, you have to just try to start it and see if everything is there.
  • euge68
    euge68 - 2005 Mercury Grand Marquis - Preventive Maintenance - 11/5/2010
    The air condition is hot sometimes
    start out hot then start cooling or making a turn and it goes hot. have to shut a/c and turn back on
    • vince^_^
      11/5/2010 vince^_^
      It is possible that moisture is present in your ac system and it develops into ice when reaching the expansion valve restricting the flow of Freon in your system that’s why you feel hot and when it melts it allows the Freon to circulate and you can now feel that your ac is functioning. Take your vehicle to a certified ac technician to perform evacuation in your ac system and perform a leak test. You can use the Find a Shop feature of AutoMD to find a list of shops near you with their address, telephone # and labor rate per hour.
  • Gene
    Gene - 2001 Mercury Sable - Preventive Maintenance - 11/4/2010
    Where is the PCV Valve located on the vehicle, Please?
    24Valve engine.
    • HKS Guy
      11/4/2010 HKS Guy
      It should be under the intake manifold/under the large wiring loom and then under that is a large water hose. It's under there.
    PERRY - 1996 Mercury Sable - Preventive Maintenance - 11/3/2010
    How to / Removal of Heater Core
    I removed all that is to be removed, Have heter core half way out, The problem is the dash that holds the ashtray is blocking, I'm lost from that point, I looked for nuts,bolts whatever i could do to get the room that i need to complet the pull-out, ( removal ) ...
    • HouseCallAuto
      11/3/2010 HouseCallAuto
      All the required steps and pictures would be in the appropriate repair manual. This job you are doing is a huge heater core job that would frighten most experienced mechanics.
  • Ron
    Ron - 2004 Mercury Mountaineer - Preventive Maintenance - 10/19/2010
    My auto on lamps stopped working. Don 't come on when it's dark out. What is the fix?
    • Bobby
      10/19/2010 Bobby
      well you need to test it could be the light sensor which is usually mounted to dash and looks like a little dome near the base of the windshield. Or it could be the headlight switch. Do the lights work when you turn them on manually?
  • dennis welbourne
    dennis welbourne - 1995 Mercury Sable - Preventive Maintenance - 10/19/2010
    my oil light keeps flicking on and off is there a oil sensor that would cause the problem for i change my oil every two months i have 55000 miles only and on my vin #the eight #is u the tenth #is s does that change anything when looking for parts or location of ...
    • HouseCallAuto
      10/19/2010 HouseCallAuto
      Replace the oil pressure sending unit located at the rear of the driver side of the engine next to the cylinder head, just above where the transmission and engine meet and are attached. It is standard procedure to replace the sensor with what you said is happening. Don't set your hopes too high.
  • asearlseesit
    asearlseesit - 1999 Mercury Sable - Preventive Maintenance - 10/17/2010
    Where is fuel pump located
  • Gil
    Gil - 1997 Mercury Sable - Preventive Maintenance - 10/10/2010
    The car won't start because the theft light is on. I want to know how to turn it off.
    • HouseCallAuto
      10/10/2010 HouseCallAuto
      Try another key. The transponder in the key may have failed and now the key does not communicate with the receiver and will prevent starting. Try a different key.
  • oliver
    oliver - 2006 Mercury Grand Marquis - Preventive Maintenance - 10/5/2010
    Where is fuel filter located
    • HouseCallAuto
      10/5/2010 HouseCallAuto
      Under the car, just forward of the passenger side rear tire on the frame rail.
  • sean1290
    sean1290 - 2003 Mercury Grand Marquis - Preventive Maintenance - 10/3/2010
    What could be the problem if im not getting no power to the fuel pump
    car dosnt start
    • lou
      10/3/2010 lou
      did you check fuel cut off switch right hand side kick panal
  • mrsteiner
    mrsteiner - 1998 Mercury Mountaineer - Preventive Maintenance - 10/3/2010
    My fan has an electrical short
    The fan for my heat/AC quit working. Can I replace to wiring myself, and if so, how do I do it?
    0 answer
  • p
    p - 1997 Mercury Villager - Preventive Maintenance - 9/27/2010
    What is bank1 sensor1
    • HouseCallAuto
      9/27/2010 HouseCallAuto
      Bank 1 sensor 1 would be the oxygen sensor for the rear bank of cylinders (firewall side) and it would be the sensor before the catalytic converter.
  • TX_runner
    TX_runner - 1999 Mercury Sable - Preventive Maintenance - 9/22/2010
    Why does heat comes out when the AC it turned on?
    Yesterday I tried turning on the AC in my 1999 Mercury Sabel, but the heater came on. Last week the AC was working fine.
    • HouseCallAuto
      9/21/2010 HouseCallAuto
      A faulty blend door actuator can do this. This is the small motor that moves the air door and mixes cooled air with heated air. It's posityion is determined by the temp control knob. You should see an immediate difference in the temperature of the air and the sound of the air as you move the knob from hot to cold and cold to hot. If you hear no change it is likely that the actuator is faulty and has become stuck in the heat only position. It is not hard to replace.
      9/21/2010 TX_runner
      When the AC was working I could hear the sound when switching from hot to cold but now I don't. How do I fix the knob if its stuck on the heat position? I've been doing some research and I was thinking about replacing the ac temperature switch, do you know of a website where I can find that specific part? Thanks for the answer.
    • HouseCallAuto
      9/22/2010 HouseCallAuto
      It is not a problem with the temperature control knob, it is the actuator that is supposed to move when the temp control knob is turned. Get a repair manual for your car and follow the steps and pics to replace the blend door actuator. >>
      9/23/2010 TX_runner
      Thank you very much for your help, im going to order the part this week.
  • robin
    robin - 1987 Mercury Grand Marquis - Preventive Maintenance - 9/21/2010
    My tail lites and dash lites are out..blinkers works and head lites.. but went same time..
    checked fuses and bulbs
    • HouseCallAuto
      9/21/2010 HouseCallAuto
      Verify fuse #4 has power on both sides of the fuse with the tail lamps switch in the on position.
  • cynallison
    cynallison - 2005 Mercury Grand Marquis - Preventive Maintenance - 9/19/2010
    The cruise control stopped working cant find out what made this happened or what todo to fix it.
    I went to the auto zone the tech came to the car with me checked the book and looked in the car and couldnt find anything. Help, please.
    • DrkShdw983
      9/19/2010 DrkShdw983
      when you try to put the cruise on what works and what doesn't?

      1.) When you turn the cruise master switch on does the light light up?
      Yes: continue
      No: Check fuses and relays related to cruise control

      2.) If you set it does the light on the dash come on?
      Yes: Replace cruise control actuator
      No: Replace master control for cruise

      Hope this helps!