Question about 1995 Jeep Grand Cherokee
I have a 1995 jeep grand cherokee laredo that will not blow hot air (heat) even with the ac switch set to off and dial turned all the way to max heat position. I have traced it some and under the hood going into the firewall there are 2 heater hoses about 1/2" in diam. 1 is hot and the other (the return, I think) stays cold and it appears that no flow is going through to the return hose. I think there must be a solenoid switch somewhere that is not turning on to allow the flow to go through the heater core. How do I find this switch and how do I t/s this further? Thanks for any help and info.
The heater in your car depends upon a flow of hot coolant going through the heater core in order to get hot air into the car. If the heater core is partially plugged, it will restrict the flow. If you have a head gasket that is putting exhaust into the cooling system, it will eventually get into the heater core. When this happens there is no coolant in the heater core to make the air warm. If the water pump vanes have corroded away the result will be very poor coolant circulation causing the heater to not blow hot air. If your car is equipped with a heater control valve that is not functioning properly, the coolant flow will be restricted. One or a combination of these factors is likely the culprit in your case.
To attempt to clean the core, you must flush the system multiple times. If this does not work, the core cannot be cleaned and must be replaced.
Posted on Jan 16, 2009
Tips for a great answer:
Jan 31, 2013 | 2000 Jeep Grand Cherokee
Aug 05, 2012 | 1995 Jeep Grand Cherokee
Sep 15, 2011 | 1995 Jeep Grand Cherokee
May 20, 2011 | Jeep Grand Cherokee Cars & Trucks
Oct 09, 2010 | 2000 Jeep Grand Cherokee
Oct 03, 2010 | 2001 Jeep Grand Cherokee
Oct 01, 2009 | 1998 Jeep Grand Cherokee
Jun 17, 2009 | 1999 Jeep Grand Cherokee
Jun 03, 2009 | 1997 Jeep Grand Cherokee
524 people viewed this question
Usually answered in minutes!