03-01-2015, 11:03 PM
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#1
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GX Member
Join Date: Dec 2014
Location: Prince George
Posts: 7
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Fan blower resistor
02 Alero.. So I replaced the fan blower resistor because none of the fan speeds would work. Eventually the max setting didn't work either... Now that it's replaced and a week later it's doing the same thing. How could I be blowing resistors so quickly?
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03-01-2015, 11:27 PM
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#2
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GLS member
Join Date: Aug 2010
Location: indy
Posts: 8,411
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Check fuses?
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Meet Destiny, shes a 2001 Oldsmobile Alero GLS, F40 6MT swap. (#2 of 3)
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03-02-2015, 12:53 AM
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#3
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GX Member
Join Date: Dec 2014
Location: Prince George
Posts: 7
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All the fuses are good.. Like I said the new resistor worked for a week on all speed settings. Now it works until it's warmed up and then blows a tiny bit of hot air. Not enough to keep the car warm, its freezing
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03-02-2015, 07:38 AM
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#4
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GL Member
Join Date: Dec 2013
Location: Minnesota
Posts: 593
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I would start at the switch and do a voltage drop on the system. See where the drop off is and then you will find your problem
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03-02-2015, 08:32 PM
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#5
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Its Beer Thirty
Join Date: Nov 2005
Location: Goodyear, AZ
Posts: 1,259
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Did you check the connection on the blower motor? I have seen them melt before.
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Quote:
Originally Posted by Daytona
And, yeah, I try to keep my expectations & standards really low. That's the only way to guarantee that I'll always exceed them.
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03-02-2015, 10:09 PM
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#6
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GLS member
Join Date: Nov 2009
Location: Tacoma, Washington
Posts: 1,911
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How did your old blower resistor look when you pulled it out? Did it look melted like rustyballs_69 mentioned or like it had water damage? Reason I ask is because when I had my Intrigue the blower resistor went out while I was at the car wash one day. Apparently water had managed to leak in there and fried the resistor and when I pulled it out it looked all melted. So I would also check and see if there is any water getting in there somehow.
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2017 Volkswagen Jetta S 5-Speed 1.4L Turbocharged I4 (TSI).
2014 Mazda MX-5 Miata Grand Touring Roadster 2.0L I4 (MZR).
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2005 Mazda6 S Wagon 3.0L V6 (MZI) (Sold).
2013 Mazda3 i Touring Sedan 2.0L I4 (Skyactiv-G) (Sold).
2010 Chevrolet HHR LT 2.2L I4 (LE8) (Sold).
1999 Oldsmobile Intrigue GX 3.5L Twin Cam V6 (LX5) (Sold).
2001 Oldsmobile Alero GL 2.4L (LD9) (Sold).
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03-02-2015, 11:02 PM
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#7
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Its Beer Thirty
Join Date: Nov 2005
Location: Goodyear, AZ
Posts: 1,259
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Quote:
Originally Posted by That01Olds
How did your old blower resistor look when you pulled it out? Did it look melted like rustyballs_69 mentioned or like it had water damage? Reason I ask is because when I had my Intrigue the blower resistor went out while I was at the car wash one day. Apparently water had managed to leak in there and fried the resistor and when I pulled it out it looked all melted. So I would also check and see if there is any water getting in there somehow.
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Good call on the water damage, I have seen that too. Usually after getting the car washed or a heavy rain.
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Quote:
Originally Posted by Daytona
And, yeah, I try to keep my expectations & standards really low. That's the only way to guarantee that I'll always exceed them.
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03-03-2015, 02:10 PM
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#8
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GX Member
Join Date: Mar 2015
Location: GREEN BAY WI
Posts: 5
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I had similar problem. U actually looked at the ac heater control assembly. Knobs were shot. Bought one off eBay for 25$. Installed and all settings work now
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03-03-2015, 11:52 PM
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#9
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GLS member
Join Date: Nov 2009
Location: Tacoma, Washington
Posts: 1,911
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Quote:
Originally Posted by rustyballs_69
Good call on the water damage, I have seen that too. Usually after getting the car washed or a heavy rain.
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Thanks man and yeah I found that one out the hard way lol. Nothing like losing your A/C at the car wash on a hot and humid 90 degree summer day.
Quote:
Originally Posted by marty920
I had similar problem. U actually looked at the ac heater control assembly. Knobs were shot. Bought one off eBay for 25$. Installed and all settings work now
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Glad to hear it's fixed and that all is working as it should.
__________________
2017 Volkswagen Jetta S 5-Speed 1.4L Turbocharged I4 (TSI).
2014 Mazda MX-5 Miata Grand Touring Roadster 2.0L I4 (MZR).
__________________________________________________
2005 Mazda6 S Wagon 3.0L V6 (MZI) (Sold).
2013 Mazda3 i Touring Sedan 2.0L I4 (Skyactiv-G) (Sold).
2010 Chevrolet HHR LT 2.2L I4 (LE8) (Sold).
1999 Oldsmobile Intrigue GX 3.5L Twin Cam V6 (LX5) (Sold).
2001 Oldsmobile Alero GL 2.4L (LD9) (Sold).
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03-10-2015, 08:54 PM
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#10
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GX Member
Join Date: Dec 2014
Location: Prince George
Posts: 7
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I don't recall the piece showing any damage... Also just to add more info with the troubleshoot.. The heat used to work until the cars temp is at the halfway mark then it would barely blow air.. Now it doesn't function at all and it seems once it's fully warmed up it will blow a tiny bit of air on the max setting.
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03-10-2015, 08:56 PM
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#11
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GX Member
Join Date: Dec 2014
Location: Prince George
Posts: 7
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I do have a crack near the thermostat on the lower intake manifold.. But I don't think this would cause the problem? Also my e fans don't work either. So I have to diag that as well... I'm definitely having second thoughts on these cars. To many problems. Also my v6 fuel economy is about 350km to a tank which is terrible. My 87 rx7 turbo with 220rwhp had the same fuel economy..
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03-10-2015, 08:59 PM
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#12
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GX Member
Join Date: Dec 2014
Location: Prince George
Posts: 7
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I've tried almost everything to correct the fuel economy.. New ngk wires, laser plugs, new fuel filter, fuel system clean, oil change, and air filter looks good. I'm stumped..
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03-13-2015, 02:49 AM
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#13
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GLS member
Join Date: Aug 2012
Location: Washington, DC
Posts: 1,460
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Quote:
Originally Posted by Boosted11
I've tried almost everything to correct the fuel economy.. New ngk wires, laser plugs, new fuel filter, fuel system clean, oil change, and air filter looks good. I'm stumped..
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How about the Coils? When the coils go bad, the spark is weak and gives you bad MPG
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03-10-2015, 09:13 PM
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#14
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Premier V.I.P. Member
Join Date: Dec 2009
Location: New Hampshire
Posts: 1,979
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laser plugs? heat concern, is there air blowing from the vents and just not hot, or no air coming from the vents?
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03-12-2015, 06:27 PM
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#15
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GX Member
Join Date: Dec 2014
Location: Prince George
Posts: 7
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Yea the air doesn't work at all. Sometimes a little bit but not enough to be max setting
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03-13-2015, 10:41 AM
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#16
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GLS member
Join Date: Mar 2008
Location: Baltimore, MD USA
Posts: 5,529
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I would just pull the resistor and check the ohms readings on all the resistors. If it's correct, you need to look elsewhere. Also try running electricity for the blower fan directly off the battery and report back.
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03-16-2015, 03:10 AM
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#17
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GX Member
Join Date: Dec 2014
Location: Prince George
Posts: 7
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Good ideas thanks! I'll check some of this out as soon as I can and report back
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11-09-2015, 07:20 PM
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#18
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GX Member
Join Date: Oct 2009
Location: NYC
Posts: 62
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I had the same problem 12 years ago. I got a cheap brand at autozone n it blew a few times, yeah they exchanged it but.... I get fed up n went to a mopar n got a more expensive brand n 12 years later its still working great.
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