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C4 Low Temperature Cooling Fan Kit, 185 degrees

  
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C4 Low Temperature Cooling Fan Kit, 185 degrees

 
retiredSFer retiredSFer
I watched Corvette Summer | Posts: 1 | Joined: 05/08
Posted: 05/13/08
05:50 PM

I own a 1993 40th Anniversary 6-speed that comes close to overheating in the summer as I live in the desert southwest (115-120 degrees). The secondary fan comes on at 238 degrees and I want to lower that number to 185 degrees using a 1984-95 (C4) 185 degree Low Temperature Cooling Fan Kit. Has anyone made this conversion? The instructions refer to the “Factory Cooling Fan Switch.” The service manual refers to an “Engine Coolant Temperature (ECT) Sensor.” Are they the same thing? The instructions say it is located on the cylinder head between spark plugs one and three or six and eight. The service manual shows the ECT on the lower water pump housing.  Connecting the secondary fan relay is pretty straight forward, but I am not sure what sensor or switch to remove. Also, assuming I remove the right one, will bypassing the ECM cause codes to appear? I own a Z06 too, but it does not come close to overheating in the summer. Can anyone help? ROGER  

 
manchas manchas
I watched Corvette Summer | Posts: 1 | Joined: 06/08
Posted: 06/03/08
03:57 PM

I have the same problem i leve in southeast and I cant find the solution, now I have the thermo switch (the one that come in the water pump) disconected and the 2 fans are working all the time but I have fuel economy problems but other wise mi car overheating, i been thinking to instal a extra cooling fan in the a/c condenser or a heat buster radiator if it fit to see if it works


Richard