Mechanics

THERMO SWITCH

2004 Honda Civic

2004 Honda Civic

Where is the thermo switch located and what is the difficulty level involved in replacing it with a new one?

What does the thermo switch look like?
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Alcatraz
July 23, 2009.




Hi alcatraz,

The fan switch is located in the middle of the engine. Replacement is simple, screw out and in, though coolant might leak out. What is the reason for wanting to replace this switch? It seldom fails.


http://www.2carpros.com/forum/automotive_pictures/192750_FanSwitch04Civic_1.jpg



TIP : Work on it when engine is cold and keep radiator cap closed. Only minimal coolant would leak out when switch is removed.

KHLow2008
Jul 26, 2009.


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