2005 Jeep Grand Cherokee Q&A
2005 Jeep Grand Cherokee Question: Fan blows but no heat
Which engine does it have? - pushrod
1st does your radiator have a fan shroud, if it does then replace your thermostat. If you are missing the fan shroud then install one to correct. (the fan shroud surrounds the radiator and causes the air to be pulled thru the radiator.) - Kool Tool
Check the heater hoses; Both sides should be aprox the same temperature, if one is warm or hot, the other is cold or cooler temp, maybe have clogged heater core. Next have temp actuator checked. - ProfessorG
seek diag as there are several issues that can cause this condition - globalhelper
It is a 1999 jeep grand cherokee limited v8. I have heat and air, but you can not hardly feel the air. you can feel the air if you put your hand about 6/8 inches from ALL vents. If your luck you ...