turbominicooper Posted April 22, 2015 Share Posted April 22, 2015 what is the normal operating temp for these engines? I have a td04 4e with cold air intake, fmic, and triple core rad. I can warm up to half way on idle but when driven I can only get to about 1/8 of the way up on the gauge - is that normal, I always thought half way was the best operating temp?? Quote Link to post Share on other sites
Duduglanza Posted April 22, 2015 Share Posted April 22, 2015 (edited) Half way is 90° which is the prefered tempreture... I have a triple cire aswell and id doesnt reach the ideal tempreture while cruising. But reading the water temps through my emanage it always shows 75/85° whilst tbe needle is still 1/4 Edited April 22, 2015 by Duduglanza Quote Link to post Share on other sites
mikey4410 Posted April 22, 2015 Share Posted April 22, 2015 im td04L with water lines.mine runs constant at 85 and will go to 90/93 till fan kicks inin the lanes flooring will see 95/96. maybe even a 98. but no more Quote Link to post Share on other sites
Flaminsam Posted April 23, 2015 Share Posted April 23, 2015 Sounds like you may have a cold temp thermostat in the engine or your thermostat is stuck open. The radiator fan cuts in at 91 degrees and the standard thermostat opens at 82 I believe. Quote Link to post Share on other sites
GlanzaCanada Posted April 24, 2015 Share Posted April 24, 2015 It's your thermostat I'm sure, when I drive on the hwy my temp gauge goes way down. Comes up to half in traffic but whenever I get going the temp drops. I replaced the rad cap because I thought it was that, but now I'm certain it's my thermo. Quote Link to post Share on other sites
turbominicooper Posted April 26, 2015 Author Share Posted April 26, 2015 Sounds like you may have a cold temp thermostat in the engine or your thermostat is stuck open. The radiator fan cuts in at 91 degrees and the standard thermostat opens at 82 I believe. think the thermo is stuck open, i dont even have the fan attached cause spins on cold. can u fix the old ones or just get a new one? Quote Link to post Share on other sites
Flaminsam Posted April 26, 2015 Share Posted April 26, 2015 Your better off putting a new one in. Really simple to do. You say your fan spins on cold? Chances are that the a/c has been removed and the four pin switch behind the drivers side headlamp hasn't been bridged. Quote Link to post Share on other sites
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