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Mechknight73
National Driver
1001 Posts
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 Posted - 26 Mar 2010 : 10:06:36 PM
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Have any of you ever removed and/or replaced the blower fan on a VN? I did a partial "test strip" today, and it wasn't going well. I managed to put everything back, but can't see how it's meant to be done without a. making a mess and b. breaking something. I managed to undo the glovebox, get the panel off from underneath, and undo all the screws from around the "shroud" above where the glovebox sits. It was at this point I called a halt for fear of breaking something. If anyone has any ideas, I'd be open to suggestions
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Mechknight73
National Driver
1001 Posts
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Posted - 14 Apr 2010 : 9:58:15 PM
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| Have found that the blower fan itself is ok, but has anyone tried to replace the switch associated with it? Did a quick "in car" test of the blower fan by connecting it up to a different battery to the one on the harness directly. The main pain in the arse I have now is how to get at the switch that controls it. It's not removing the block that has the heater/aircon controls, but how to get the connector off the back of that 4-speed switch without breaking anything else. Any ideas? |
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VNSVLE
Forum Moderator
1316 Posts
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Posted - 15 Apr 2010 : 05:55:06 AM
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What exactly is the problem you have??
Is it not working on certain speeds or just not working at all??
Have you checked the fan speed resistor?? |
What's the difference between understeer and oversteer?
Understeer is when the driver is scared.
Oversteer is when the passenger is scared. |
Edited by - VNSVLE on 15 Apr 2010 05:56:02 AM |
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Mechknight73
National Driver
1001 Posts
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Posted - 16 Apr 2010 : 12:03:31 AM
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| It isn't working at all. I have tested the fan independently of the car's harness, and the fan itself is fine. They tell me that if the fan speed resistor is shot, it will work at top speed, but not on any other settings.Which to me leaves the prime suspect; the switch itself. If I just knew what the trick is to getting that switch out without breaking anything is, I could likely crush this problem like a bug. I'm getting a very slight current, too small to make anything happen when I jiggle the fan switch back and forth. The multimeter says about half a volt where it plugs into the fan. I can easily get to the control block for the heater conrols, but to get enough clearance to get the switch out, I have to unplug it.That is my true problem right now. I feel ripped off, because my $60 service manual won't tell me how |
Edited by - Mechknight73 on 16 Apr 2010 12:05:38 AM |
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VNSVLE
Forum Moderator
1316 Posts
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Posted - 16 Apr 2010 : 12:47:57 PM
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Most cases top speed will work but not all. It is not difficult to get to and would rule it out indefinately.
So you can get the assembly out is that what you are saying?? I will have a look this afternoon and see what I can find for you. |
What's the difference between understeer and oversteer?
Understeer is when the driver is scared.
Oversteer is when the passenger is scared. |
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Mechknight73
National Driver
1001 Posts
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Posted - 16 Apr 2010 : 5:34:48 PM
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| I have since managed to replace the switch, but it has bugger all impact on the problem. My main worry when I got to the heater controls, was that I had assumed the the vacuum leads that go to the vent controller were all separate, and was looking for a non destructive way to sepaprate the fan switch from the connector without getting angry. When I bought the new switch, I had to strip it from the car it came from,and this is how I knew the vacuum leads are all attached to a rubber block that will only fit one way. Have double checked the fuses, and the only culprits now are the harness itself, or something to do with how the fan resistor is connected. I'm still getting no power to the fan. I have yet to change the speed resistor module, so that is next on the list. |
Edited by - Mechknight73 on 16 Apr 2010 5:42:13 PM |
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VNSVLE
Forum Moderator
1316 Posts
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Posted - 17 Apr 2010 : 2:20:28 PM
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| If you remove the fan speed resister you will see straight away weather or not it is buggered. The little wire coils will be broken. If this is the case the best thing to do is replace it with a solid state resistor out of (now I am not 100% on this it was a long time ago) a berlina, ss or maybe a later model vp or something that does not have the climate control of course. I believe I got mine out of a VP ss. |
What's the difference between understeer and oversteer?
Understeer is when the driver is scared.
Oversteer is when the passenger is scared. |
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Mechknight73
National Driver
1001 Posts
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Posted - 18 Apr 2010 : 11:42:10 AM
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| I'm off to buy a brand new one at the dealer this week. To the best of myknowledge, the resistor module is the original, 1989 Executive-spec unit. The dealers tell me all new ones are solid state units. |
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