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  #1  
Old 10-16-2011, 01:28 PM
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Lower radiator hose not hot after coolant flush.

Hi, I drained my coolant and replaced the heater core. I filled with coolant today but I think there is an air pocket. The lower radiator hose is cold and the hoses going to the heater core are also cold and I have no heat. The temp. needle will not stop climbing. What do you recommend I do to get the air pocket out? Maybe let it cool off entirely and then give it some gas? If that is what you think the problem is...

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  #2  
Old 10-16-2011, 02:25 PM
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Fill the engine thru the top radiator hose with the nose of the car pointed uphill. Then put the heater on full blast and let it idle for a while until all the air is burped.
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1984 307d 126k--sold 8/03
1985 409d 65k--sold 06
1984 300SD 315k--daughter's car
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  #3  
Old 10-16-2011, 07:06 PM
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I got one bubble out because the heater core started getting coolant. There is still more air in there though. I jacked up the front of the car and tried to start it. It puttered and would not start with the front jacked up. So I lowered it and tried to start it. It is still puttering and not turning over. Why wouldn't the car start now? Thanks
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  #4  
Old 10-17-2011, 06:34 PM
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Location: West of Ft. Worth. TX
Posts: 4,186
Is your primer pump leaking? With the scenario you describe, it definitely sounds like air in the fuel system.

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84 300SD 350K+ miles ( Blue Belle )
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