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HEATER CORE 1998 MERCURY MOUNTAINEER - Mercury Cars & Trucks

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6 Suggested Answers

6ya6ya
  • 2 Answers

SOURCE: I have freestanding Series 8 dishwasher. Lately during the filling cycle water hammer is occurring. How can this be resolved

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Posted on Jan 02, 2017

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chuck943
  • 783 Answers

SOURCE: cant get spare tire off

The metal sleeve on the end of the cable,you turn it sideways and push it thru the hole in the wheel. If it is stuck to the wheel just pick up on the wheel then tap the sleeve with a hammer.

Posted on Feb 07, 2009

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  • 21 Answers

SOURCE: 1998 Jimmy-heater core

Heater core is located under the dash board, as Jenkins said you need to remove the dash board amd all other panel to access it, you will have to spend at least 2 hours to remove them if you're not familiar with it, becareful not to break plastic locks and tabs. Get your self a service manual for your car and it will be a great help.

Posted on Mar 17, 2009

  • 407 Answers

SOURCE: 1998 MERCURY MOUNTAINEER AWD. I HEAR A SLIGHT ROA

may be hub bearings or u-joints

Posted on Oct 14, 2009

  • 1374 Answers

SOURCE: 1999 Mercury Mountaineer, heater/AC fan no longer blowing

I would check the fan first disconnect the electrical connectors on it and use a pair of home made jumper cables and run it from the battery. If it works move unto relay if it doesn't you've found the culprit.
Next check relay in the fuse box. Coolant tempertant switch(CTS) aka thermal switch and its circuit. CTS is usually located in the water jacket by the t-stat.

Posted on Apr 05, 2010

reisdos
  • 1297 Answers

SOURCE: where is the power window relay on a 1998 mercury

technically you have three relays to worry about on these power windows

and all of them are behind the center of the dash in the RELAY box


Posted on May 19, 2010

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1 Answer

Where do i find the heater contol valve on a 1998 mountaineer?


The heat control valve if you stand in front of the vehicle facing it. Is on the left hand side/ passenger side near / very close to the firewall. It's to the right/ towards the driver's side of the blower motor. Before you remove it make sure it works by having someone turn on the heat while you watch it open and close. If it does not open or close check your vaccum line. The vacuum line is a grayish color mostly or may be black in color. If it works don't remove it, replace the heater core or flush your coolant system out. You can also flush out the heater core with compressed air or a water hose. To flush out the heater remove both top and bottom hoses and attach a receive and return hose. You can use CLR to help remove the slug built up in it. Let it seat in the heater core after removing any access or trace of coolant. Remove the CLR after about 10 mintues with high pressure water until it is clear. Replace connections of hoses to the engine and refill any anti freeze that is lost

Jan 09, 2015 | 1998 Mercury Mountaineer

1 Answer

Getting heat in the back of the car but not in the front.


I would take a closer look at the heater control valve located in line with heater core hose.it vacuum controlled to close coolant flow to heater core when a/c Is on.it's located by the radiator on passengers side.it has a black plastic lever on it, and the body it aluminum. The lever breaks internally, causing low coolant flow to heater core.remove and you will find white sludge build up. Replace and be on your way....

Mar 05, 2014 | 2004 Mercury Mountaineer

1 Answer

Not heating up all the way


If the engine is not heating up, check the thermostat and coolant level.
If the heater is not getting hot, and both heater hoses are hot, you may have a blend door problem. The blend doors direct air thru the heater core and the vents.

Dec 21, 2012 | 1998 Mercury Mountaineer

1 Answer

The heater on my 2004 mercury mountaineer does not work. When turning the dial from ac to heat, cold air blows out while a sound like a door opening and shutting is heard.


there is a vacuum ran valve on your heater hoses goin in to your heater core on the fire wall, they tend to get stuck shut n dont open to let hot anti freeze in the heater core, so cold air right, qwik fix is find the valve on heater core inlet and wire tie it open so antifreeze circulates no matter what, this is known on ford explorers. pretty much same truck.

Dec 16, 2010 | 2004 Mercury Mountaineer

2 Answers

Heater stop working


check thermostat and heater core

Jan 18, 2010 | 2003 Mercury Mountaineer

1 Answer

Heater quit working on my Mercury Mountaineer 2000. Looking for instructions on how to replace, as we are doing it by ourselves. Already have the part. Anyone have step by step instructions?


you need to be specific on what component of the heater system are you changing then maybe i can help on this matter (e.g.) water pump ,heater core,thermostat,heater control switch,1 way suction valves,vacuum lines, i dont know what you are asking for help on?

Jan 15, 2010 | 2000 Mercury Mountaineer

3 Answers

Heating and cooling


You can't even reach the door without pulling the dash assembly out, then u might as well fix the problem,

Nov 06, 2008 | 1997 Mercury Mountaineer

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