cooling Fan

105

Asked by Amb. Adam Cain Dec 30, 2018 at 01:17 PM about the 2005 Pontiac Grand Prix GT

Question type: Maintenance & Repair

i just had Water pump replaced and we i notice now the fan won't trigger on Is
there a way to test it or which fuse in the fuse box are the fans the diagram is
really confusing

6 Answers

18,285

Or is it just not getting hot enough to need the fan now that the new water pump is doing a better job of circulating the coolant?

1 people found this helpful.
105

i know its winter here i saw a video says to check ac to see if fans come on and did that i didn't even hear or feel it kick on.

2 people found this helpful.
18,285

I can’t think of any reason the fans would come on with the air conditioner.

26,295

Try the AC trick again and this time look at the fan. It will come on when the AC is engaged so if it does not, then there is a problem. I agree with munron though, replacing the water pump will improve circulation and you may not be getting as hot as the car did before the exchange. If you prefer, you can test the fan motor by jumping it with a 12V source to see if it energizes.

3 people found this helpful.
105

thanks everyone for the help i wonder if we blew the fan motors while we we're reconnecting the battery we had issues getting the car started my battery post are not in good shape appreciate for all the input i'll have me tech friend try that 12v jump

105

Just wanted to give and up date on this i had a mechanic friend looked the fuse box and seems like the relay that control the low speed fan is not recieving power from fuse box haven't gotten fix yet way to cold up here in Milwaukee to worry about it yet

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