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Mercury preventive maintenance repair questions and answers

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  • Sheri Wilde
    Sheri Wilde - 1994 Mercury Cougar - Preventive Maintenance - 7/25/2012
    I have recharged my air condtioner on my car but the fulter on it is pluged for the air condtioner do you know where it
    is so I can change it?
    0 answer
  • Mom
    Mom - 2005 Mercury Mountaineer - Preventive Maintenance - 7/12/2012
    AWD off, ADVTRAC off, ABS lights on. Sensor issue?
    70,000 miles. Happens after the vehicle is warmed up, while driving more than 3 miles, only light on. Says to refer to owners manual.
    • yboy82
      4/7/2011 yboy82
      Try to diagnose your vehicle with a scan tool to determine if there is a stored trouble code to verify if there is a stored trouble code. Did you already check the TSB below for your vehicle?

      2005 Mercury Mountaineer Electrical System Service Bulletin 78012
      NHTSA: Action Number: 10013371 Service Bulletin Number: 78012

      Report Date:
      Jun 07, 2005Component:
      Electrical System

      Summary: Malfunction indicator lamp (mil) and electronic throttle control (etc) lamps on with both diagnostic trouble code (dtc) p2106 and p2135. *tt
    • reddz1979
      7/12/2012 reddz1979
      im having the same issue!!
  • frank
    frank - 2006 Mercury Grand Marquis - Preventive Maintenance - 7/6/2012
    Resistor for ac heater switch
    Relay will only let the high speed work
    • CVO
      7/6/2012 CVO
      See this A/C Heater Blower Motor Resistor
      For your 2006 Mercury Grand Marquis 4.6L Flex Fuel SOHC 8cyl

      Note: Blower motor resistors divert power or ground through resistors to control blower motor speed
      When not replaced, blower will either not function or will not run at all speeds
  • Daniel
    Daniel - 1999 Mercury Grand Marquis - Preventive Maintenance - 6/16/2012
    Need to install A/C Freon
    where is low port located
    • Jimm
      6/16/2012 Jimm
      The service port for the a/c system is on the low side (low pressure side) of the system. Look at the a/c line (tubing) from the condensor- the smaller radiator in front of the engine radiator.
      The low presure service port is located in this line from the condensor. This is where the low pressure service port is located.It is usually covered by a protective cap
  • robs
    robs - 2000 Mercury Mountaineer - Preventive Maintenance - 6/8/2012
    A/c freon service
    No cold air
    • Jimm
      6/8/2012 Jimm
      Several possibilities; low freon / refrigerant level, leaking a/c system; fittings, hoses, connections. First step - have the a/c system recharged and leak-tested to determine where the leak may be located.
  • Saxonnite1
    Saxonnite1 - 2006 Mercury Grand Marquis - Preventive Maintenance - 6/4/2012
    Windsheild wipers do not turn off
    Problem started while visiting the sea shore (salt air?) for a weekend. Problem was intermittent at first and now is constant.
    0 answer
  • hotrod
    hotrod - 1996 Mercury Sable - Preventive Maintenance - 6/1/2012
    Where is the turn signal relay?
    Turn signals don't come on, and you don't even hear the normal sound when they are on
    • CVO
      6/1/2012 CVO
      1996 Mercury Sable 3.0L EFI 6cyl
      The Flasher is located:
      Front seating area, driver side, under dash, driver side of steering column, mounted behind instrument panel
  • Howard Cantor
    Howard Cantor - 2003 Mercury Grand Marquis - Preventive Maintenance - 5/28/2012
    The dashboard light that says +check fuel cap" won't go out. Cap was tested by computer, was ok, so what next??
    • Jimm
      5/28/2012 Jimm
      Several possibilities; faulty fuel tank filler neck seal (near the fuel cap), faulty evaporative system tube or hose. Check the fuel cap sealing surface at the fuel tank filler neck - at the point where the fuel cap makes a seal. Be sure there is no obvious damage, cuts, tears.
  • Stella Denbo
    Stella Denbo - 2000 Mercury Grand Marquis - Preventive Maintenance - 5/28/2012
    Poor am radio reception
    antenna in rear glass
    • Jimm
      5/28/2012 Jimm
      First, check to see if the antenna has come unplugged at the radio, underneath the instrument panel. If this connection is OK, then check the antenna for a break or open in the wiring. It may be necessary to mount a separate antenna elsewhere and simply wire the radio to the newer antenna.
  • hotrod
    hotrod - 1996 Mercury Sable - Preventive Maintenance - 5/27/2012
    Why would the wipers go 10 times and the stop when you first start the car?
    Any time the car is started, the wipers come on
    0 answer
  • Ernie
    Ernie - 1997 Mercury Sable - Preventive Maintenance - 4/11/2012
    I am looking for an exhaust donut that connects the manifold to the exhaust.
    • jdl
      4/11/2012 jdl
      Your local autostore should be able to fix you up? Are you looking to purchase online? If this site here sells parts, I don't know anything about that?
  • whimpy
    whimpy - 2000 Mercury Mystique - Preventive Maintenance - 4/5/2012
    Were is the orfice located on the a/c system.
    • RC
      4/5/2012 RC
      It is located in the line between the condenser and the evaporator.
      4/5/2012 whimpy
  • jknotts12345
    jknotts12345 - 1991 Mercury Sable - Preventive Maintenance - 3/23/2012
    Ive changed the steering out of the car and the new colume dosent require the chip in the key so why wont my car start-?
    and stay running?
    • colin
      3/23/2012 colin
      you must refit the transponder from the original column or it will not start
  • Veekee
    Veekee - 2004 Mercury Sable - Preventive Maintenance - 3/23/2012
    My car has 150k miles and so do I need to change the wires with the spark plugs?
    Tune up
    • colin
      3/23/2012 colin
      No if they work ok then leave well alone its quite possible they will last the life of the car
      3/25/2012 Veekee
      Thank you for the advice.
  • Dan
    Dan - 1995 Mercury Sable - Preventive Maintenance - 3/19/2012
    The car wil not start.
    There is a black box, behind the drivers side door panel, that will buzz as soon as the key is turned on. When this box is buzzing, the car will not start, nor will the electric fuel pump work either. Also, the power windows, seats, door locks, also will not work. I ...
    • jdl
      3/19/2012 jdl
      Disable the power windows, pull fuse/relay, then see if vehicle will start. Does the battery have a full charge? All connections clean and tight. Does the starter crank when the problem is ongoing? My hearing is no good, I couldn't hear a buzzing with the starter cranking, I don't think?
      3/19/2012 Dan
      Yes I did all these things. Vehicle will not start. Battery has full charge. Connections are all clean and tight. Starter will crank when problem is ongoing. No that box shouldn't be buzzing. It never did before. This all started, once, when the ignition module quit working. I changed it, and the buzzing stopped. But now, it doesn't even help to change the ignition module.
      3/20/2012 jdl
      Any applicable trouble codes? Without being able to look at it, I can't tell what's going on? I did look at your service bulletins, didn't see anything that caught my attention.