I have read and searched....so i know that it is normal for the temp to be around 100 in a hot day at idle with ac on.....

here is what i noticed today since the weather is near 90 degrees here.....

the car usually idles around the 87-90ish without AC. today while driving, it was most around 100 all the time with the AC on, even slightly edging above 100.....here is the interesting thing...with ac on low fan, the Aux fans don't come on immediately, and the heat seems to creep-up above 100 a bit. then both fans come on....with AC on Auto (fan blowing strong), both Aux fans kick in immediately and temp remains around 100 (does not go beyond that)........is this normal? so, the bottom line of my question is that i am not sure what the proper operation of Aux fans should be like...

this is Florida, so no messing around with cooling issues and fans here, it will cost me an engine ....

New water pump, hoses, radiator, fan clutch, thermostat all after the head gasket so i assume i am covered in that regard....

thanks

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1993 300E, 2.8 M104 .....