Question about 1998 Mercury Sable

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1987 Mercury Sable heat doesn't blow out, just seeps.

I'm fairly good at electrical trouble shooting, but I'm baffled on this. The heater does heat well, but it won't blow, it just seeps out. I think the blower motor may be bad, but I can't figure out how to get to it. I'm hoping there is a fuse somewhere that is bad so I don't have to completely replace the blower. If you know how to do this or have any advice or hints, please send them to me: please.

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  • tinker_sarah Dec 14, 2008

    Ok...*sigh* thank you.

  • Anonymous Jan 08, 2009

    2002 mercury sable, blower motor somtimes works sometimes doesn't. Any ideas?


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Your worst nightmares are true, You know what you have to do! Sorry.

Posted on Dec 12, 2008

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1 Answer

Heater doesn't work

Make sure the coolant level is full in the reservoir.

If the coolant level is good feel the hoses that go to the heater core back by the firewall. If one is cold and one is hot that the heater core is plugged. I have had fairly good success back flushing the heater cores and getting them to work. If back flushing does not work than the heater core will need to be replaced. The entire dash will need to be removed to do this.

If both the hoses are hot than it may be the blend door actuator. You should hear a distinct difference in the air flow from the vents by moving the heat control from full hot to full cold.

The last thing is the t-stat could be stuck open. If this where the case than the temp gauge will also be reading low.

Check those out and let me know what you find.

Feb 14, 2012 | 1999 Mercury Sable

1 Answer

While driving my 1998 Mercury Sable with the heat on. It will start out with really warm heat and then 40 seconds later it willstart to cool down. If I turn off the heat and wait wait a minute it will

This sounds like a classic problem with the heater core. The heater core is like a small radiator that is located under the dash (likely). If the vehicle hasn't been maintained properly with regard to the coolant, the heater core can become clogged over time and need to be replaced. Years ago, there was also a problem with mixing the green and red coolant. This caused the fluid to gel especially in the smaller passages of the radiator and the heater core. Did you install an in-line port when you flushed the system? A little household water pressure flowing thru the system might help blow the clog out. Other than that, replacing the heater core Will likely solve the problem. Good luck!

Jan 15, 2012 | 1998 Mercury Sable

1 Answer

My 2001 sable blows cool air no heat,can you help???need heat

There are baffles in the heater box that switch from AC to Heat - could be stuck in the AC position.

Nov 27, 2010 | 2001 Mercury Sable

1 Answer

I have a mercury sable 1996 that is leaking water looks like from inside of motor. heater blowing cold as well. please help!!!


Mar 01, 2010 | 1996 Mercury Sable

1 Answer


Most auto supply stores sell a radiator flush kit. You install an adapter in the heater hose and hook up a garden hose to the adapter. You must start your car and run the heater in the max hot position to flush the heater core.

Dec 16, 2009 | 1987 Mercury Sable

1 Answer

I have a 1987 murcury sable heater is cold changed thermastad flushed sytem header coil not pluged the control arm is opening and shutting for hot heat and cold what?

First, with the engine running, squeeze your upper rad hose to try and close it off for a few seconds. When you release it, if your water pump is functioning properly, you should feel a surge of coolant go through it. If that is okay, try loosening one of your heater hoses with the engine running, and see if you can get any air to come out. Sometimes... quite often, in fact, the heater core will become air locked and not allow any coolant into it.

Dec 16, 2009 | 1987 Mercury Sable

2 Answers

2002 Mercury Sable, Heating Problem The problem I am having is I am getting almost no heat. It is not the blower motor, just had this replaced. Right after last winter it started blowing cold air, so I...

Hello. You are in luck. I just had this same issue in my shop this week. We changed the thermostat, and replaced the coolant. Fixed it right up. Since you did not mention a new thermostat, that would be my next move, if I were you.

Oct 09, 2009 | 2001 Mercury Sable

2 Answers

Not enough heat coming out


Sounds like a flap problem on heater unit.

Get your head under the dash and check for movement, when you operate temp control hot to cold.

Good Luck !


Feb 03, 2009 | 1998 Mercury Sable

3 Answers

1999 mercury sable

the rust issue is related to the design of the cooling system, in a word ford screwed up, air gets trapped in the system and causes it to rust, the heater core is most likely plugged with rust, pull the hoses off at the firewall to the core and back flush the heater core, this should ge the rust out, then have the cooling system flushed with a power flusher, this will be a shop repair but there is no way around it, u may want to contact Ford/Mercury about a possible recall on the cooling system for this rust issue, as far as the A/C goes it is not related, does the compressor engage? let me know.

Dec 30, 2008 | 1999 Mercury Sable

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