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  #1  
Old 09-27-2002, 09:19 PM
pmizell's Avatar
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Join Date: Jun 2001
Location: Houston, Texas
Posts: 838
Thumbs down ACC Sampler blower motor not samplin'!

I've noticed lately that my AC system has been blowing either really cold (wheel all blue), or really hot (wheel all red) -- nothing in between. Turning wheel to white area does nothing, so I put the AC sampling grid (on dome light) to the tissue test and it failed -- no suction at all@!

So tonight I pulled the sampler motor from behind the glove box expecting to find a dead motor, which wasn't the case. It seemed to be pulling plenty of power ... fins were turning pretty well, but there was still no suction even at the tube leading from motor. I pulled it out, cleaned it up well and re-installed it with no luck.

Then I wondered, how does this motor produce any suction when the fan is exposed like it is?! Is there supposed to be a shroud around this little motor's fan blades? I'm guessing not, because mine looks just like the photo that WorldPac provides.

Any help here would be greatly appreciated!

TIA!

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'01 E430, Sport 72,000 mi
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  #2  
Old 09-27-2002, 09:26 PM
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Join Date: Aug 2002
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You know, I was looking at that grid last night, wondering what it was...

Now I know, and if you'll excuse me, I have a date with my car and a Kleenex.

Thanks. Good luck with your problem.
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  #3  
Old 09-27-2002, 09:34 PM
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Join Date: Apr 2002
Location: boston
Posts: 119
where's the motor located if your car has a passenger airbag?

thanks.

matt
'94 e320
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  #4  
Old 09-27-2002, 09:38 PM
pmizell's Avatar
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Join Date: Jun 2001
Location: Houston, Texas
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mcdill:

I'd imagine yours is in same place as mine. It's located just to the right of glove box, underneath the dash vent. You have to pull the glove box out to get to it.
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'01 E430, Sport 72,000 mi
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  #5  
Old 09-29-2002, 11:07 PM
pmizell's Avatar
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Join Date: Jun 2001
Location: Houston, Texas
Posts: 838
To finish this post off for the archives, my sampler blower motor, although it appeared to be spinning fast enough to create enough suction, wasn't. I would imagine that this is normal for an 11 year old motor that is constantly running, even when the AC/heater system is turned off.

To remedy the problem, I taped shut 3 of the 4 ventilation squares to create more suction, and voila, it worked. I checked it by placing a piece of tissue onto the grid of the temperature sensor, interior air on dome light and it stuck. Not sure how long this patch will hold, but it's better than a $55 replacement part.

My ACC system is very precise after the fix. The slightest turn of the wheel will now reduce fan speed or alter cooling/heating air temps.

Hope this helps someone. :p
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'01 E430, Sport 72,000 mi
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  #6  
Old 09-30-2002, 12:43 AM
David C Klasse's Avatar
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Join Date: Jan 2001
Location: Mission Hills in the City of San Diego
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Quote:
Originally posted by pmizell
To finish this post off for the archives[...]

Hope this helps someone. :p
I am impressed. Great closure... I wish more of the members would post their result, and in with the original thread, precisely as you have done.

Great job.
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