MackE7760 Posted December 31, 2021 Author Share Posted December 31, 2021 Ok, I promised a final report.... Yesterday in 75 degree, stop and go Baton Rouge mid day traffic @ 83k lbs, temp got close to, but never reached, 200 (mid gauge). Once out of traffic and stabilized, about 185. Im sure the reduced airflow through the radiator, and the additional heat from the converter not locked in the traffic attributes to the higher temps. I feel that we can call this temp issue resolved. Thanks for the advice, as always, this forum is a wealth of knowledge for the mack owners. 1 Quote Link to comment https://www.bigmacktrucks.com/topic/68949-radiator-temperature-differential/page/2/#findComment-486256 Share on other sites More sharing options...
mrsmackpaul Posted December 31, 2021 Share Posted December 31, 2021 That's still getting warm, I have never seen my old Mack get over 140, I had to convert that 60C even in 100 plus weather pulling a road train Might have to rod the radiator core when you get a chance Paul Quote Link to comment https://www.bigmacktrucks.com/topic/68949-radiator-temperature-differential/page/2/#findComment-486283 Share on other sites More sharing options...
Joey Mack Posted January 1, 2022 Share Posted January 1, 2022 since the truck is a 2004, that should make it an ASET series.. If so there are 2 thermostats, 180 Degree and a 185 degree....(Farenheit) The temp you posted is normal, maybe a tick low.. , sorry Paul... they stay at 180-185 quite well, when in good repair.. do you have an infrared thermometer? I wear mine out... anyway, keep in touch, jojo 2 Quote Link to comment https://www.bigmacktrucks.com/topic/68949-radiator-temperature-differential/page/2/#findComment-486284 Share on other sites More sharing options...
Onyx610 Posted January 1, 2022 Share Posted January 1, 2022 (edited) Yup your looking good, actually a little low like Joey said. Normal for those to go 200 and the fan come on and suck that gauge down to about 185. Usually when pulling a good hill loaded. Edited January 1, 2022 by Onyx610 Spelling 1 Quote Link to comment https://www.bigmacktrucks.com/topic/68949-radiator-temperature-differential/page/2/#findComment-486286 Share on other sites More sharing options...
Popular Post mrsmackpaul Posted January 1, 2022 Popular Post Share Posted January 1, 2022 10 hours ago, Joey Mack said: since the truck is a 2004, that should make it an ASET series.. If so there are 2 thermostats, 180 Degree and a 185 degree....(Farenheit) The temp you posted is normal, maybe a tick low.. , sorry Paul... they stay at 180-185 quite well, when in good repair.. do you have an infrared thermometer? I wear mine out... anyway, keep in touch, jojo All good, thats what these forums are all about, learning things from like minded people I guess they run warmer to maybe run cleaner and burn fuel more efficient Paul 3 Quote Link to comment https://www.bigmacktrucks.com/topic/68949-radiator-temperature-differential/page/2/#findComment-486322 Share on other sites More sharing options...
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