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Thread: Heater takes forever
12-15-2013, 10:38 AM #11
It might also be something external, something downstream from the core, on the side that is cool. Something the is stopping flow.
With new coolant, I hate to suggest that you remove the cold hose at the heater to see if you can get water to flow through the core.
As soon as you get the cool hose off, get the end of it in the air so the coolant can't flow out of the hose.
If there is a good flow through the core and out of the hose port, get the hose back on. There was probably air trapped and now you have pushed it out.
Top up the rad and start the truck.Ray
'09 Avalanche LTZ - Black
'05 Envoy XL (sold)
12-15-2013, 11:34 AM #12
- Join Date
- Dec 2013
OK I will give that a shot
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