I'm having good an issue with the heat in a 2002 Jeep Liberty Sport.
Anti freeze reservoir is full but the heat doesn't stay hot. The hose going to the
engine is hot and the thermostat was allegedly changed. So why doesn't the
heat stay hot?
If both heater hoses are getting hot, you might have to have the heater core flushed out. Also check the blend door actuator for the climate control to make sure it is working.
Search Jeep Liberty Questions
Are you a UK consumer? CarGurus now has a discussion forum in the UK.
Jeep Liberty Experts