Air conditioner/heat does not blow - Page 3 - GM Forum - Buick, Cadillac, Chev, Olds, GMC & Pontiac chat


1992-1999 Series I L27 (1992-1994 SE,SLE, SSE) & Series II L36 (1995-1999 SE, SSE, SLE) and common problems for the Series I and II L67 (all supercharged models 92-99) Including Olds 88's, Olds LSS's and Buick Lesabres Please use General Chat for non-mechanical issues, and Performance and Brainstorming for improvements.

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Old 07-26-2005, 01:58 PM   #21
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Sounds good...it sounded as if the wiring harness connector was bad. Yeah... swap the motor and you should be good. However at this point you can test the high speed on the wiring harness connector end.
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Old 07-26-2005, 02:02 PM   #22
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Quote:
Originally Posted by pakenney38
I've already purchased a new blower, and seeing how replacing the entire blower will be faster than creating a new connector on the current blower, I will probably just do that.
I would have done this several posts ago. We could have read something like "I'm sipping on a Mai Tai now in my car with the cold air blowing in my face..."

I suppose everrything is "repairable" if you have certain resources and talent but there is a limit on What should be repaired. The blower motor is exactly as you described it... an assembly. If any part of that assembly is broken, it should be replaced as a whole. No use digging into it any further for a $50 part.
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Old 07-26-2005, 02:46 PM   #23
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Mother of all things holy!
Now I got the new blower in and the relay for A/C won't kick on. WTF? Fan speed control works fine, but no cold air and no "click." Could it be that I messed up the relay when I swapped the motor out?
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Old 07-26-2005, 03:18 PM   #24
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You can first check the connections at the AC compressor relay. Refer to the post above for the position of the relay. You've already done a lot of testing it seems and may have just not plugged it in fully.

There'* no real electrical relation between the blower and the AC compressor. They are two differerent circuits.
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Old 07-26-2005, 03:24 PM   #25
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I was more concerned about bumping something under the hood actually. The correct relay is in place, and was working when the old blower was functional. Is there anything to knock off that would cause the compressor or the relay not to work?
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Old 07-26-2005, 03:35 PM   #26
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Yes..there'* something that can cause it not to work properly. I call it age and corrosion. Find the A/C relay, unplug and replug it 5 times. No need to jump around or chat anything while doing this. I usually add a little dielectric grease while I'm at it.

My 95 had issues with the A/C, low speed fans and high speed fan relays when I got it. All just needed a little dielectric and plug/unplugging.
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Old 07-26-2005, 03:37 PM   #27
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Even immediately after a blower motor replacement when the relay worked not but yesterday while messing with the old blower?
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Old 07-26-2005, 03:40 PM   #28
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Is there any way to test the relay? Is there any way to test the socket to the relay? Just getting that question out of the way before I find myself asking it later.
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Old 07-26-2005, 03:41 PM   #29
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Even if you just got lucky and it may have happened even w/o you messing with the blower.

On both my cars I have noticed that two things seem to hold very true. Electrical connections (since we have so many) corrode over time and don't need much to mess up.....and vacuum lines rot and need to be replaced.

You can give it a try...none of us are saying you have to take the advice we give, but we are trying to help. You were right below the relays and maybe they didn't like the blower getting so much attention and now they are jealous. Maybe something else happened elsewhere..but it'* pretty conveinient that you were within foot of them and now something isn't working.
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Old 07-26-2005, 03:47 PM   #30
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I usually do what you guys say. So far you've at least given me some understanding of the situation well enough to get the job done.
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