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Old 05-15-2013, 04:53 PM
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Join Date: May 2013
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Default No pressure in upper radiator hose

OK, here is the deal. I just replaced the water pump, water inlet tube, water outlet valve, heat air control valve, upper and lower radiator hoses, and the thermastat. Still no pressure in the upper radiator hose. Coolant is hot, temp gauge still shows cold. Also no hot air from the heater only cold air. And the air does not blow thru the vents. Only from the dash. Help.
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Old 05-15-2013, 07:53 PM
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Default Re: No pressure in upper radiator hose

year of truck would be nice. But if the coolant is hot but temp gauge is cold that sounds like air in the system. pull the coolant temp sensor. If the sensor is bad coolant will come out otherwise you have found out there is air in your system. I suspect all the air hasn't been bleed out. Not to insult your intelligence but if it isn't air in system you have multiple issues going on. In what order have you replaced these things anyways?
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Old 05-15-2013, 08:25 PM
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Quote:
Originally Posted by Jhyatt View Post
OK, here is the deal. I just replaced the water pump, water inlet tube, water outlet valve, heat air control valve, upper and lower radiator hoses, and the thermastat. Still no pressure in the upper radiator hose. Coolant is hot, temp gauge still shows cold. Also no hot air from the heater only cold air. And the air does not blow thru the vents. Only from the dash. Help.
how much coolant is in the system

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