Help with 04 grand marquis

Asked by Vinnyspo553 Apr 12, 2017 at 07:17 AM about the 2004 Mercury Grand Marquis GS

Question type: Maintenance & Repair

Hey my 2004 grand marquis is overheating jus got
a new radiator and fan and new coils it still slowly
creeps past half temp n starts to overheat n smoke
I also got new temp gasket n thermostat.... Any
help

2 Answers
223,885

Rowefast answered 7 years ago

Where is it smoking from? If it is out the exhaust then there is a bad head gasket. But after doing this work was the cooling system purged from the air pockets? If not the cooling system needs to be purged from air. Here is a sight on how to do that... www.youtube.com/watch?v=xeTgmdRkQtY

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5,415

Trippmeister answered 7 years ago

There is a leak - down test that can be done to see if it's a head gasket, once you've removed the air, if any.

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