: Use a flashlight to check the engine "valley" below the oil filter for oil residue from a potentially failing oil cooler housing. Check for radiator and thermostat housing leaks.
Steering wandering (2018–2019), paint bubbling on aluminum panels, dual-battery drain. what to look for when buying a used jeep wrangler
TIPM electrical failures (2007–2010), oil cooler leaks (2012+), heater core issues. : Use a flashlight to check the engine