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My van overheats after driving it less than a.

Tiny
MISSYB
  • MEMBER
  • 2002 PONTIAC MONTANA
  • 178 MILES
My van overheats after driving it less than a mile, I had the thermostat and relay replaced but fan still isn't working and the wires are all charred where they connect, someone told me that it was the heads, and then I was told it could be the sensor.
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Wednesday, February 20th, 2013 AT 3:57 PM

6 Replies

Tiny
JDL
  • MECHANIC
  • 16,098 POSTS
How hot is it getting in degrees F. As far as the fan, if the wiring is bad, replace. You could also have a faulty fan? Check the coolant temp sensor. Are there any applicable trouble codes? Some of the national brand autostores will check codes for free. Let us know what you find.
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Wednesday, February 20th, 2013 AT 4:08 PM
Tiny
MISSYB
  • MEMBER
  • 3 POSTS
The temp gets up into the danger zone, almost to the red line, the check engine light does not come on. I am afraid to drive it to an autopart store to have it checked, also I forgot to mention that it just blows out cold air and there is coolant in both the radiator and reservoir.
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Wednesday, February 20th, 2013 AT 4:16 PM
Tiny
JDL
  • MECHANIC
  • 16,098 POSTS
If the radiator fan wiring is bad, replace that first.
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Wednesday, February 20th, 2013 AT 5:51 PM
Tiny
MISSYB
  • MEMBER
  • 3 POSTS
If the head gasket is bad, what do you think about using Bars Leak Head Gasket in a can until I can afford to get it done?
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Thursday, February 21st, 2013 AT 2:22 AM
Tiny
JDL
  • MECHANIC
  • 16,098 POSTS
All I can tell you is I don't like that stuff.
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Thursday, February 21st, 2013 AT 3:48 PM
Tiny
JDL
  • MECHANIC
  • 16,098 POSTS
If your fan won't run, fix that first. Some of the national brand autostores will make house calls. I don't know what they charge? Maybe they can come to your house, check codes if any, maybe check the fan for you. I just cant see much from here.
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Thursday, February 21st, 2013 AT 3:53 PM

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