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Asked: Apr 24, 2009 - 11:45 AM

Status: Closed

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bruceingeorgia

2003 Pontiac Montana relays. Which ones to replace?

I have a 2003 Pontiac Montana which I had the intake gaskets replaced and thermostate replaced too, I need to know which relays do I need to replace In the fuse block under the hood there are 3 relays do I replace all of them to make the fans work they say on then cool fan and cool fan1 and cool fan2 should I replace them all or is there another relay that I need to look for please help I do not want to take it back to the dealer and charge me an arm and a leg to fix this?

thanks in advance
Bruceinamericus

In Maintenance & Repair > Heating / Cooling > Fan
In Makes & Models > Pontiac > Montana
In Maintenance & Repair > Electrical > Fuse
1 answer - 215 days ago

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mastertech19

Date: Apr 24, 2009
Time: 05:34 PM

are the fans them selves ok have u check them jumpering them to make sure they work or have u tried to turn on the A/C or defrost to see if they turn on. u may have another problem but relays are cheap so change them all but i cant see all 3 going bad normal would only be one of them. but i personaly dont think that is your problem the computer may not be turning them on. but it is possilbe there is a relay problem has happen to me in the past just not very often. Coolant temp sensor, wiring,seized fan motor,turn the fan on with a scan tool and see what happens.

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mastertech19

Date: Apr 24, 2009
Time: 05:34 PM

are the fans them selves ok have u check them jumpering them to make sure they work or have u tried to turn on the A/C or defrost to see if they turn on. u may have another problem but relays are cheap so change them all but i cant see all 3 going bad normal would only be one of them. but i personaly dont think that is your problem the computer may not be turning them on. but it is possilbe there is a relay problem has happen to me in the past just not very often. Coolant temp sensor, wiring,seized fan motor,turn the fan on with a scan tool and see what happens.

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