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Re: S-10 blazer, no heat, challenge yourself on this one!
Quote:
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Originally Posted by Theevinman
"Remove heater hoses and see if you can blow air threw the heater core."
Also make sure you have coolant pressure out of the hot feed heater hose.
I have had good luck reversing the heater hoses for 3-4 days or a week to help clean out a part clogged core.
1.....I have taken the garden hose and forced water from one side thru to the other, both ways- with water flowing generously in and out-no clogs!
2.....I do not have any pressure out of the hot feed, so what is it? Am I getting closer to an answer? Like I said earlier, I disconnected both hoses from the heater core while the car was warm and running and no coolant was coming out.
3....Please don't stop-HELLLLLPPPPPPPP!!!!!!
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Check the heater hoses for being stopped up and the heater hose connections/pipe plugs to engine and intake and or water pump.
If water pump is circulating coolant it should be pushing water threw heater hose.
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Remember proper testing gives us the answer to many problems.
MT
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