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You are watching: 2007 chevy impala coolant bleeder valve


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I have a 2010 police impala v a 3.9. Where is the cooling equipment air bleed screw located? my heater is blowing cold air once at idle. I checked the coolant and also it to be low. I included to the ideal level however is still blowing cold air as soon as idling.
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Question execute you have actually a P0128 Code? If not make sure you top off the Coolant level, Rev to around 2500RPM because that 45 seconds and check level and also refill where essential do this around 2 or 3 times and also after every done it have to be ok. Also do make sure that your heater is also open come make sure that you space filling the heater core as well...Sadly the 3500 and 3900 don"t have actually a bleeding device like the 3800 the older year do and also the LS4 did. Expect this helpsJames
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To occupational air the end of the system, you can burp it. So basically while it"s cold (or heat with gloves and proper safety and security precautions) squeeze out the upper and lower radiator hoses to try to wiggle totally free the waiting bubbles. Blast the warm for a if afterwards, then journey it, and also then do some more burping. Girlfriend should have the ability to work most/all of lock free. Then add the suitable amount that coolant to the reservoir.The only worry is, if her coolant is low, it most likely went somewhere. Make certain the drain petcock is closed and also not leaky. Make certain your water pump isn"t leaking out on the side of the motor. Examine hoses because that wear + leaks whereby they attach to the block and also radiator. If all else fails, could constantly be a head gasket...
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Do not have any type of codes. Will inspect the level again. Have not seen any leaks either.. Don"t think that is a head gasket the vehicle runs an excellent and no smoke out the exhaust. Vehicle is one ex jacksonville sheriffs automobile so no informing where the absent coolant went. It only held about a pint and also a half.

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2009 Impala SS"Speed never killed anyone. Suddenly becoming stationary... That"s what it s okay you." Jeremy Clarkson
The overflow tank is located towards the earlier of the engine bay, so probably not. Honestly, just fill that up, let that run with the warmth on full and also the cap off, and squeeze both hoses till you feel they"re totally full of fluid and no bubbles room coming increase in the overflow tank. Then top it off, close it up, and also drive like normal. Afterwards when it"s cool again, take it the cap off, fill it up, and also you should be an excellent to go. It"s relatively simple. Just be certain not come burn you yourself by law it as soon as the coolant is hot. Likewise avoid touching any type of metal bits attached to the engine.
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