Overheating

2000 DAEWOO LANOS
80,000 MILES • 1.4L • 4 CYL • 2WD • MANUAL
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DIPPIES
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  • 1 POST
Fans come on at boiling point if i unplug fan switch on cylinder head fans come on heat gauge stands on below normal.
Nov 6, 2019 at 6:38 PM
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ASEMASTER6371
  • ✓Experienced Mechanic
  • 52,796 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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Nov 6, 2019 at 6:50 PM
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DIPPIES
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Why shows heat gauge below normal but water temperature is at boiling point?
Nov 8, 2019 at 7:46 AM
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ASEMASTER6371
  • ✓Experienced Mechanic
  • 52,796 POSTS
Because of where the sender unit is located.

Did you replace the thermostat?

Roy
Nov 9, 2019 at 4:44 AM
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DIPPIES
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  • 1 POST
On Daewo Lanos how do you bleed air out of cooling system?
Nov 11, 2019 at 4:20 AM
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