Question about 2004 Mercury Mountaineer

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The advance trac and awd are not working correctly

At start up my 2004 mercury mountaineer has the abs light on , after driving about 50 yards the awd lock light blinks 8 times then goes to awd deactivated then changes to see owners manual, then the advance trac light comes on on the display , i hear some noise from under the front end and the display changes to advance trac disengaged, after that all lights stay on but everything drives fine . any thought or help

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  • richard_c768
    richard_c768 Jan 05, 2013

    dont know if it helps but the back brakes had been replaced about 4 month ago , the front brakes have about 1/4 left and all 4 tire replaced about 1 year ago

  • richard_c768
    richard_c768 Jan 05, 2013

    I was told to check the sensors for the advancetrac that are supposed to near the back seats but i cant find them , does anyone know were they are really located. inside under the carpet or under the truck

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6 Suggested Answers

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Posted on Jan 02, 2017

jgwhomeequip
  • 1902 Answers

SOURCE: 2002 merc mountaineer awd wont come out of awd

If the vehicle is made to be a AWD you cannot get it out of AWD unless you take off the front drive shaft

Posted on Feb 10, 2009

  • 65 Answers

SOURCE: I own a 2004 Mercury Mountaineer, and the ABS

On a Car like that you have little sensors on each one of the wheels. These sensors are small, delicate and finicky. You probably have a loose one or when the wheel heats up or reaches a certain speed, highway driving, it loses the connection and the light comes on.
The best way to fix this is go to a shop. Since the answer lies in the computer somewhere they need to check it. Note that the computer on your car stores the data when this happens and they should download the stored data if everything " seems fine ". Hope that helps

Posted on Jun 11, 2009

  • 5467 Answers

SOURCE: ABS light on a 2004 Mercury Mountaineer. How do I

Go to Autozone or Oreillys and see if they have a scanner for the ABS system. They usually scan for free.
The ABS will measure braking problems and things like worn brake linings and debris on wheel sensors.
You would want to verify the code light and then have the lining visually inspected.
There can be problems with the emergency brakes which require the rear rotors to be removed from the vehicle. Some of the rotors are a problem to remove because of rust.

Posted on Jan 01, 2010

  • 2187 Answers

SOURCE: My Advtrack, ABS and AWD all get Disableed

The sound could be isolated and may not be related to you not having 4wheel drive. You may have to inspect the speed sensors on the hubs of the wheels. You may have it inpsected and see if there could be a faulty sensor. Some 4x4 relies on sensors for 4x4 to work and these sensors also help ABS to work. Inspect the drive shafts as well. This may have caused the noise and may have affected your 4wheel drive capabilities.

Posted on Mar 20, 2010

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SOURCE: 2004 Mercury Mountaineer Power windows are not

they can go bad-swap it out with another that you don't need, just to try and see if it is the relay-listed are relays that might only control, for instance, the rear window defroster-generally, relays are all the same, some just get used heavily and some don't (i.e., ABS)-worth a try

Posted on Jan 27, 2011

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1 Answer

05 mercury mountaineer 3 days ago ABS light came on and it goes into awd temporarily locked mode and jerks bad after i try to put it back in auto it says awd disabled and drives fine what is it


Finding out what DTC'S - diagnostic trouble codes are in the ABS control module will tell what needs to be checked > Your best bet , take it to a qualified repair shop .

May 16, 2017 | Mercury Cars & Trucks

1 Answer

What does it mean when dash shows 4x4?


If the 4wd light is blinking there is something wrong preventing the computer from using 4wd. check to see if there might be an abs code as well. we had a bad wheel bearing which also affected the wheel speed sensor that the suv needs to operate the 4wd/awd/abs correctly

May 25, 2014 | 2004 Mercury Mountaineer

1 Answer

The advance trac and awd are not working correctly At start up my 2005 mercury mountaineer has the abs light on , after driving about 50 yards the awd lock light blinks several times then goes to awd...


You current issue is no different than any other
vehicle problem you have had since 1996 when
the OBD2 Systems came into being

You have a MIL Lamp on or check light as some people
call it

You should have checked fore codes immediately within a day
or so to at least know the codes & then googled them to get
some idea of the issues

You know that you have an ABS Braking System issue based on
your owners manual & your abiltiy to recognize Advance Trac etc

Have to have a shop diagnose that system with professional tools

With an AWD issue possible I wouldn't even use it until fixed

The trac control is ussually a bad wheel speed sensor or related
issue

Jan 21, 2013 | 2005 Mercury Mountaineer AWD

1 Answer

ABS Light Stays On


Since you replaced the pick up units or sensors, check the tone rings on the axle shafts. The tone rings is what the sensors detect and are located at each wheel that has ABS. A tone ring looks like this:

1_3_2013_9_47_55_pm.jpg
This tone ring is on a Ford Ranger - which is pretty much the same as your Mointaineer. Notice the break in the tone ring. This will cause an ABS Fault indicator and will need to be replaced to extinguish the lamp. Check the brake fluid level and top off if needed.


Try another AutoZone or similiar to get a code and be non-specific about the light - just say a light came on on the dash and you don't know what it is about.

Good luck!

Jan 03, 2013 | 2004 Mercury Mountaineer

1 Answer

What are the signs off front wheel bearing going?Would ABS and AWD lock come on?


Generally not, you will hear a low rumbling vibrational sound when you are driving. Sometimes when you accelerate your wheel will feel like it is moving up and down.
If your ABS and AWD lock lights come on, you need to get your vehicle looked at and diagnosed.

Aug 01, 2011 | 2005 Mercury Mountaineer

1 Answer

I am having an issue with my 2004 Mercury Mountaineer. The AWD is giving my some hassle. It seems like most of the time it is not working, but every once in awhile it does work. Not sure if it is the...


Is the check engine light on? Most of the time it should be off to give the best gas mileage and if all the tires are the same you might not even be able to tell going straight down the road. Do you rember it working more pronounced before or is this a new vehical to you? If it's an electrical problem the ABS or trac light will come on and or the check engine light. If any of these are on the vehical needs to be connected to a scannner that has a regular operator and have them check for problems. You can check that the air in the tires are the same and that the tires are the same and about evenly worn. If the brakes need to be serviced, ( out of adjustment or hung up) The ABS system helps the AWD do it's thing and all systems need to work correctly for the AWD system to work correctly. If all your inspections don't come up with something to be corrected, And you do all the adjustments that you can and the system still is'nt working to suit you, a scanner operator needs to connect to your car and check it further. ( Not a code reader )

Dec 17, 2010 | Mercury Mountaineer Cars & Trucks

1 Answer

My ABS light is on and its like the brakes are


Bring the vehicle into a repair shop ASAP. There are several things that can be wrong such as calipers master cylinder, module,fluid exhaust valves . ABS problems will affect AWD. So in all likelyhood once ABS problem is cleared AWD will be fine.

Apr 14, 2010 | 2005 Mercury Mountaineer

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