Question about Jeep Liberty
My 2002 Jeep Liberty has a heater problem. It works great if the Jeep is moving but when I stop for a light, the heat turns cold. Then I start moving again, it heats again. Temp guage is normal.
The most common fault is air pockets in the cooling system.
Is the radiator full of liquid coolant ?
Posted on Feb 15, 2014
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Posted on Jan 02, 2017
SOURCE: 2002 caravan, heater problems
That was a common complaint a few years back, due to the fact that the heater core is a little too much higher than the engine, which requires that extra push it gets when engine RPM's increase. One thing I did do on my Caravan was remove my hoses to the heater core, and use a small external pump with hoses to circulate C.L.R. through my core for a while, then let it sit with CLR in the core overnight.Next day I circulated it through again, both ways by reversing hoses, and then re-attached hoses, bled air out of system, and notice quite an improvement in heat at idle. Once cleaned out, the heater core allowed coolant flow through it better at idle. If your stumped by explanation, take it to an automotive shop, or a Rad shop, and get a quote on flushing that core out for you. I recommend the CLR, but it might be too time consuming for you , but a flush will probably show some noticeable improvement.
Posted on Nov 23, 2008
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