Recent content by Cbc

On my 2019 with 6.4 the coolant line from the heater core runs through the oil cooler. I did an hour or so test drive with the valve closed the engine oil temp is about 5 degrees warmer than with it open. Not sure how much difference it would make on long hauls especially pulling something.

Ok thanks. I’m not sure of the technical name of it, but the coolant line leaves the water pump then enters the firewall then leaves the firewall (and heater core) then goes to the oil filter housing then back into coolant system. The oil filter housing part of this is where I’m concerned. Maybe...

Recently purchased a used 2019 Ram 2500 with 6.4 Hemi. After being disappointed with ac performance I turned to this forum and have found a lot of great info. My question is anyone still using the heater core line valve hack and has anyone experienced any negative issues with it. One concern is...