Ok I Finished swapping my B18C int mh HX a couple days ago. Im slightly concerned about my cooling situation though. This afternoon on my way back home from work my temp skyrocketed. I found later that it could still have used some more coolant. So I took the time to properly bleed the air out of the radiator and whatnot. So I was driving it arround and some on the highway at a somewhat respectable speed. I wasnt gunning it or anything but going a fair bit over the posted limit. Temp meter stayed stable and everything but I have yet to see my fan kick in. Not even when I was bleeding the radiator. Helms says it should come on a couple times durring the process. Something else that I noticed is that My heater is screwy. If Im on the throttle the air will be hot but when I get off the gas the air cools right down with it. Anyone have similar things happen in their swaps? I sat arround checking all the ecu wires with a multimeter for 3 hours and couldnt come up with anything. The fan works, and I checked fuses and tested the relay to no avail.

 

when you filling your Rad. did you have the heat on? sounds like you may have air in the heater core. as for the fan...are you sure that the fan motor/wires goingto it work?

 

what about your thermostat? working correctly?

 

Yeah i tested all the wires and i have continuity from the fan to the under hood fuse panel, and from the fuse panel to the ecu. Also did a continuity test on the relay and its working fine. I havent yet tested the thermostat. Whats the best way to test it? Just take the connector off and jump it?

 

try wiring the fan to ingition , if it dont work your fan is shot