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> HVAC Blower Question
CrashTestDummy
post Oct 19 2023, 10:02 PM
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I took the blower out of our 92 to replace it, and it appears that the blower cage is pressed on. I can see little, rusty, splines on the shaft, and no nut, nor threads for a nut. The replacement motor has a nut on the end to hold the cage on. I've hit the stud with PB Blaster and after sitting a while, tapped on it with a small hammer. No budge.

Is it really pressed on, and, if so, what's the trick for getting it off? Thanks.
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CrashTestDummy
post Oct 24 2023, 04:48 PM
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Got out to the shop again yesterday to put things back together. Got everything back in and buttoned up. Replaced blower, wheel, blower relay and blower resister. Turned things on and..... nothing!

It seems I can jump from the red wire on the relay connector to the wire to the right of the black ground wire and get the blower to spin.... which provided proof that the wheel was hitting something. (IMG:style_emoticons/default/banghead.gif)

Pulled the blower out again and repositioned the wheel to match that of the old assembly. Bolted it back in and it's still hitting something. I pulled the blower out AGAIN, and it looks like it's hitting one of the bosses for the screw for the lower right side of the opening. Those bosses are about 1/2" deep, so I measured things, and it looks like I can pull the wheel out a bit over 1/2" to hopefully clear those bosses. When pulling the blower, getting the bottom screw out, The socket and universal pulled off the end of my extension and dropped down into the depths of the car somewhere. (IMG:style_emoticons/default/banghead.gif) (IMG:style_emoticons/default/banghead.gif) (IMG:style_emoticons/default/banghead.gif)

It appears that with all the tools I have, including several from my Dad, I have _only_ one 1/4" drive universal. (IMG:style_emoticons/default/rant2.gif) I managed to get the blower out for the 3rd time, and while I had a tiny bit more space started looking around for that u-joint. Not finding it, I figured I could possibly use my endoscope to get down into the deepest crevices of the body/frame/fenderwell and look around. I ran and got my endoscope only to find the battery was dead. JFC on a Pogo Stick!! I plugged it into the charger and decided that it was a good time to stop for the day before I start heaving wrenches.

Now, I'm trying to determine what the issue is with power to the blower. I have power to the relay, but it doesn't seem to be wanting to work. There are no blown fuses on the fuse block that I can find. The FSM isn't helpful, as it doesn't seem to have a wiring diagram, just 'electrical troubleshooting', which I've followed, but haven't arrived at anything satisfactory yet.
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CrashTestDummy   HVAC Blower Question   Oct 19 2023, 10:02 PM
91banditt2   There should be flat spots on the motor shaft to k...   Oct 20 2023, 01:06 PM
CrashTestDummy   It's plastic. Yeah, I would have tried heat i...   Oct 20 2023, 04:45 PM
slowTA   I'm pretty sure I went through this when I swa...   Oct 20 2023, 05:56 PM
CrashTestDummy   QUOTE (slowTA @ Oct 20 2023, 12:56 PM) I...   Oct 20 2023, 10:43 PM
GCrites80s   Both times I bought blower motors they came with w...   Oct 21 2023, 03:41 PM
CrashTestDummy   QUOTE (GCrites80s @ Oct 21 2023, 10:41 AM...   Oct 22 2023, 04:56 PM
CrashTestDummy   Got out to the shop again yesterday to put things ...   Oct 24 2023, 04:48 PM
CrashTestDummy   Got more quality time with our B4C today. With a ...   Oct 24 2023, 10:02 PM
GCrites80s   I remember when I pulled mine out from storage aft...   Oct 25 2023, 02:49 PM
CrashTestDummy   While putting things back together, is appears par...   Oct 25 2023, 10:07 PM
CrashTestDummy   QUOTE (CrashTestDummy @ Oct 25 2023, 05:0...   Oct 28 2023, 07:54 PM
GCrites80s   We are losing a lot of our junkyards here to redev...   Oct 29 2023, 03:40 PM
CrashTestDummy   QUOTE (GCrites80s @ Oct 29 2023, 10:40 AM...   Oct 29 2023, 04:58 PM
CrashTestDummy   After dropping a new battery in the car, and decid...   May 14 2024, 09:13 PM

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