No heat

Asked by Cliff Nov 27, 2017 at 09:46 PM about the 2000 Mercury Grand Marquis LS

Question type: Maintenance & Repair

My 00 grand marquis heat just stop working only
blow cold air thermostat works i got the air out my
engine by removing my anti freeze cap..any
suggestions?

6 Answers

5,555

Could be that your heater core has died. I would look into getting that replaced to fix the issue.

1 people found this helpful.
410

first put the cap back on, next before you put it back start it cold with cap off, when it reach's Running Temp, you should see the water flush like the Tollet then start moving, if it does not do this, or if it is moving when it is cold you need a new Thermostat this is a common Problem with them

3 people found this helpful.
180

Run the self-test on the EATC. The blend door is notorious for going out. Code 24 & 25 are faulty blender door.

2 people found this helpful.

It was my fuse..it was a 20 and i replaced it it popped so i put a 25a fuse and it held thanks for the suggestions though

180

you should never use a fuse that is larger, or smaller then it has in it, unless you like wiring fires ?

3 people found this helpful.

Yea i was skeptical but im an electrician and i asked my boss will everything be ok he ensured me it will simply because i only upgraded my fuse by 5amps

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