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[flex]

hi can anyone tell me what is that black thing under the the water header tank  it has two pipes going to it and it looks like a coil with a connector behind it .

[Andy B]

hi can anyone tell me what is that black thing under the the water header tank  it has two pipes going to it and it looks like a coil with a connector behind it .

About 1" & a half diameter and 4" long? Electric water pump for the winter pack heating, it helps circulates water around the heater matrix to get heat into the cabin ASAP. 

[flex]

well my oil cooler went down so i fixed that but i dont get hot air and when i took the two pipes off two clean tham i stuck a airline down the black electric thing and the little turbine blades dont spin is that why i dont get hot air

[TheBoy]

I'd be looking more at a blocked heater matrix, particularly if driven for a while with blocked oil cooler

[Andy B]

........... and the little turbine blades dont spin is that why i dont get hot air

Not sure, I don't have one on my car. You sure your matrix is completely unblocked after your cooler failed?  :-/
 

[flex]

how do i un block the matrixwhat pipes do i pull off and how do i know when its flushed

[Andy B]

how do i un block the matrixwhat pipes do i pull off and how do i know when its flushed

This might be handy ..... http://www.omegaowners.com/forum/YaBB.pl?num=1185891036 Use a hose pipe till the water runs clear, even then though, you can't be certain that you have water flowing through all of the cores. (click here)
Forte coolant flush has been used by various member with positive results. clicky

[flex]

man those two pipe look really hard to get to i will give it a go today in the cold and stick a hose pipe down one end .