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Air in radiator, how to bleed


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Yes, I searched and couldn't find the exact topic on how to do this. My temps are creeping up quite quickly when at a stop. I know low speed fans are blowing as they are when I get out of the car. Temps when driving on the highway at cruise are left of 0 in 180 and 95C on the HVAC hack. When I stop or slow for a short period it goes up to middle of 0 and as high as 100 on HVAC. I know these may not be real numbers but I don't like how easily it creeps up now. Some additional information, the dealer replaced my water pump back in February due to failing bearing. Previous to that temps would get warm but not this quickly. I just start to notice this since the temps are going up to 100 now. Radiator cap is on so tight I can't get it off with 2 hands and I am scarred to put any more force on it for fear of breaking it. I cleaned the radiators out last summer and wouldn't expect it to be that bad in 1 years time (maybe it is). So my question is "Do I have trapped air in the system"? I assume the dealer did it right and used one of the machines to pull the fluid in. I have pulled up on the metal ring on the cap behind the radiator cap (I assume that is an air bleed) when the car was cold. Any other ideas? Thinking of doing "99's" fan mod so I can turn on the high speed fans just to get the air flow in there when at a stop.

TIA

P.S. I do have both low speed fans turning, essentially as soon as I start the car and after getting home from an hour long drive so I assume they are running.

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Yes, I searched and couldn't find the exact topic on how to do this. My temps are creeping up quite quickly when at a stop. I know low speed fans are blowing as they are when I get out of the car. Temps when driving on the highway at cruise are left of 0 in 180 and 95C on the HVAC hack. When I stop or slow for a short period it goes up to middle of 0 and as high as 100 on HVAC. I know these may not be real numbers but I don't like how easily it creeps up now. Some additional information, the dealer replaced my water pump back in February due to failing bearing. Previous to that temps would get warm but not this quickly. I just start to notice this since the temps are going up to 100 now. Radiator cap is on so tight I can't get it off with 2 hands and I am scarred to put any more force on it for fear of breaking it. I cleaned the radiators out last summer and wouldn't expect it to be that bad in 1 years time (maybe it is). So my question is "Do I have trapped air in the system"? I assume the dealer did it right and used one of the machines to pull the fluid in. I have pulled up on the metal ring on the cap behind the radiator cap (I assume that is an air bleed) when the car was cold. Any other ideas? Thinking of doing "99's" fan mod so I can turn on the high speed fans just to get the air flow in there when at a stop.

TIA

P.S. I do have both low speed fans turning, essentially as soon as I start the car and after getting home from an hour long drive so I assume they are running.

Sounds like your coolant temps are as the engine was designed. Your problem is nothing more complex than a lack of airflow when driving slowly. The only way you can reduce the temperature is to increase airflow. Do my fan mod and you'll be running much cooler.

http://www.renntech.org/forums/index.php?s...&hl=fan+mod

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