Question about 2002 Toyota Celica
Removed the hoses to the heater core and purged the core..it does not seem clogged. However when I started the vehicle no coolant flowed from the detatched heater hoses. I checked the upper radiator hose to see if flow was present and some coolant was flowing. The low flow could be due to the thermostat though. Thoughts?
The thermostat should only restrict flow to the radiator.
If the heater system is working correctly, you should get flow from one of the heater hoses at all times.
Its possible you have air in the cooling system.
Posted on Jan 07, 2013
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Posted on Jan 02, 2017
Thanks for choosing FixYa and welcome to the site. Have you checked to see if it is a coolant sensor? Have you checked to make sure the fans are coming on? Are you leaking coolant anywhere? Checked the cap?
Posted on Apr 10, 2011
SOURCE: water seems to be trikling
If you water pump is working properly and the flow valve is fully opening then about the only thing left is a clogged heater core. Have you removed the heater hoses and flushed the heater core out in both directions. In other words back flush it. Just be careful and do not apply too much water pressure or you may cause the hearer core to leak. You may in the end have to use a commercial flush product to clean the entire system out. Hopefully you will not have to replace the heater core as this is not an easy job. If it were me I would do a complete cooling system service including replacing the thermostat which can be partially closed thus restricting the flow of coolant. But if that were the case your engine should be running on the hot side. Are you 100% sure the heater flow valve is opening fully? I hope this has been helpful.
Posted on Oct 10, 2010
If even possible, it sounds as though your water
pump is not turning the right way
It isn't even moving any water & that is all
you worked on, unless the thermostat somehow
could go in backwards
Posted on Nov 18, 2012
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