Im thinking of selling my 2002 dodge durango i have replace the thermostat thermostat sensor coil packs brought another transmission for it but it has a some issues it stays in the red with heat gauge and cylinder 3 for some reason keep getting really hot to where it bust the coil pack. What should i do

 

Compression test. See if you have a blown head gasket.

 

Something really bad is happening in cyl 3, definitely needs to be checked closely. be