Overheating while driving down road?

Tiny
TRUCKWES
  • MEMBER
  • 2004 MERCURY MARAUDER
  • 4.6L
  • V8
  • 2WD
  • AUTOMATIC
  • 85,000 MILES
Overheating while driving down road. I change thermostat, change temp senor for gauge. Bled coolant system.
Thursday, January 15th, 2026 AT 4:40 AM

1 Reply

Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 55,030 POSTS
Can you hear the fan clutch kick in when the engine is hot? Also, you can have a plugged radiator either internally or externally. On the outside chance you have a blown head gasket, but lets go over these guides which will tell us what is going on.

https://www.2carpros.com/articles/engine-overheating-or-running-hot

and

https://www.youtube.com/watch?v=5zpNjYmmiYY

Please upload a short video in your response of the problem, so I can see what's going on

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Friday, January 16th, 2026 AT 8:08 AM

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