MichiganDuck2 Posted March 9, 2018 Author Share Posted March 9, 2018 You guys were right! Got the thermostat from the dealership and all is well. It was a Motorad thermostat in a MOPAR box, but it solved my issue. I made sure to test it on the stove first. Thanks again. Link to comment Share on other sites More sharing options...
cruiser54 Posted March 10, 2018 Share Posted March 10, 2018 9 hours ago, MichiganDuck2 said: You guys were right! Got the thermostat from the dealership and all is well. It was a Motorad thermostat in a MOPAR box, but it solved my issue. I made sure to test it on the stove first. Thanks again. The stat from the dealer has no aftermarket equal. Link to comment Share on other sites More sharing options...
carnuck Posted March 12, 2018 Share Posted March 12, 2018 I feel like my Jeep won't get up to temp. I posted elsewhere and was told it was nothing to be concerned about.. So per an IR thermometer at the t-stat housing, the coolant will get up to 170-175 degrees after 20-30 mins of mixed driving. -The heat works great and both heater hoses are hot. -The upper radiator hose gets warm-hot. -The radiator is reading 100-130 degrees via IR thermometer. The radiator cap does not get hot. It was 43 degrees out when I did this drive. 88 Comanche with open cooling system, 4.0l. Flushed the (already pretty clean and under 2yr old) cooling system 2 times, once with VC9 and the other dish detergent, with no heater core in the loop. Then replaced heater core, and put in a new 195 degree Stant thermostat. Coolant is roughly a 50-50 mix and all new. I did all this and now it won't get up to temp. Before this the Jeep always ran perfectly at 205/210 and never had an overheating issue. Any ideas? Clean the temp sensor in the head and if your thermostat has a warranty, see if it’s one of the batch of incorrectly marked ones. I think the 9 of 192F is upside down. Synthetic atf in extreme temp areas tends to fix cold shift issues. Sent from my iPhone using Tapatalk Link to comment Share on other sites More sharing options...
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