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Old 02-28-2005, 05:24 PM   #1
senna95
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'94 blower motor, bolt on vs press on?

I need to replace a blower motor on a Transport I just bought. The problem is that the vehicle is 2 states away and I dont know what the existing one looks like. And I am told that there are 2 types of blower motor. One has is a press on impeller and the other is a bolt on. I was just going to get one from my local scrapyard prior to picking up the vehicle, but wanted to make sure I got the right one. I'm really going to need some heat on the windshield since its going to be quite wintery this week. Anyone with some knowledge on this?
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Old 02-28-2005, 06:37 PM   #2
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Re: '94 blower motor, bolt on vs press on?

If you take YOUR REPLACEMENT FROM the scrapyard, I think you will have both the motor AND the impeller as one unit...so......
www.avigex.ca/xport/heaterrelay.jpg
www.avigex.ca/xport/blowercloseup.jpg
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Old 03-02-2005, 03:37 PM   #3
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I dont have the option of taking the original with me since its in the vehicle still, 2 states away. So I kinda have to know proir to buying one new or pulling one from a junker before i go to pick up the van.
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Old 03-03-2005, 03:15 AM   #4
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Re: '94 blower motor, bolt on vs press on?

I think my previous reply did not mean what I intended..(edited now) .
Since they used 2 variants as you say, there is no sure way to know which one YOUR vehicle has: they may switch suppliers even in the same year model. However, if you buy a complete unit (motor AND impeller) at a scrapyard taken from a Transport (or may be from several other large GM cars of those years ) , it will replace yours, be it bolt on or snap on impeller.
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Last edited by LMP; 03-03-2005 at 04:34 AM.
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Old 03-03-2005, 02:50 PM   #5
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Perfect, thats what I was wondering. I guess my next question is:
what other years and GM models, use the same blower?
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Old 03-03-2005, 03:54 PM   #6
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Re: '94 blower motor, bolt on vs press on?

The drawing here is from the transport manual, while the photo in the corner is from a '93 bonneville.

To me they are the same, the bolt pattern of the metal plate looks a like and that is logical, and this applies to all large oldsmobile 88,98 and large buicks of that vintage. Print the picture and bring it for a comparison with what the have in the yard. Usually, salvage operators have books that tell about commonality of parts.
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Old 03-14-2005, 04:36 PM   #7
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Thanks for your help.
You were right in the fact that there is no difference if the whole unit is to be replaced.
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