Blown head gasket

Asked by GuruY1VS8 Mar 14, 2018 at 07:24 AM about the 2002 Ford Explorer Limited 4WD

Question type: Maintenance & Repair

Heater works but don't blow out hot air.  
Going to use Blue devil gasket sealer on it
will it work

4 Answers
25,710

Jorge answered 6 years ago

Why do you think of say that a blown head gasket prevents the heater from blowing air?

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5,445

Auto_Adrenaline answered 6 years ago

If you're heater isn't working, that's not a head gasket. It's likely your heater core.

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73,330

OJ answered 6 years ago

Those year Explorers are known for the blend door actuator motor going out. Fifty buck part but the dash has to come out to replace it. Check the net, there is a manual workaround involving an electric cable tie, drilling a small hole, and attaching it.

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