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Overheating

Tiny
DIPPIES
  • MEMBER
  • 2000 DAEWOO LANOS
  • 1.4L
  • 4 CYL
  • 2WD
  • MANUAL
  • 80,000 MILES
Fans come on at boiling point if I unplug fan switch on cylinder head fans come on heat gauge stands on below normal.
Thursday, November 7th, 2019 AT 2:38 AM

4 Replies

Tiny
ASEMASTER6371
  • MECHANIC
  • 52,797 POSTS
Good morning,

By removing the plug, it sends a hot signal to the ECM and the ECM commands the fans to come on.

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

Sounds like the switch that you disconnected may be the issue or the thermostat may be the issue.

Roy
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Thursday, November 7th, 2019 AT 2:50 AM
Tiny
DIPPIES
  • MEMBER
  • 1 POST
Why shows heat gauge below normal but water temperature is at boiling point?
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Friday, November 8th, 2019 AT 3:46 PM
Tiny
ASEMASTER6371
  • MECHANIC
  • 52,797 POSTS
Because of where the sender unit is located.

Did you replace the thermostat?

Roy
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Saturday, November 9th, 2019 AT 12:44 PM
Tiny
DIPPIES
  • MEMBER
  • 1 POST
On Daewo Lanos how do you bleed air out of cooling system?
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Monday, November 11th, 2019 AT 12:20 PM

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