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08-19-2020, 05:02 PM
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#1 |
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Senior Member
 
Join Date: Oct 2012
Location: Lexington, Ky
Posts: 2,112
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Under Hood A/C Actuator - Help needed
My actuator under hood not working, noticed the rod that goes through the firewall seemed loose/not connected.
Pulled off the cowl panel and yes, its got broken parts under the cowl. Doubt the assembly is reproduced ?? Second picture of plastic rubber plate seems to be broken on both ends. Anyone else run into this ?? Is the door in the heater that this controls, very important for cooling ?? Searched for pictures and threads but didnt find much. Drawing is Assembly Manual not helpful. What other parts am I missing (I have the screws that are not shown in first picture) ? I know I can get the actuator and install, but need help with the under cowl stuff and how to connect it. Any help, advice appreciated.
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Larry 84 Chevy SWB, "Roy", dark blue orig paint, 6 cyl auto, PS, 88,000 miles. 72 Highlander LWB "Olive" med olive over lt yellow, air, 77,000 miles (sold) "It's a sorry man who can't find his wife a good job" |
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08-19-2020, 05:40 PM
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#2 | |
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Senior Member
Join Date: May 2010
Location: Wisconsin & Arizona
Posts: 4,838
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Re: Under Hood A/C Actuator - Help needed
Quote:
http://67-72chevytrucks.com/vboard/s...d.php?t=809842 http://67-72chevytrucks.com/vboard/s...d.php?t=478564 http://67-72chevytrucks.com/vboard/s...d.php?t=674249
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Jim Last edited by FirstOwner69; 08-19-2020 at 05:54 PM. |
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08-19-2020, 07:59 PM
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#3 | |
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Senior Member
Join Date: Oct 2012
Location: Lexington, Ky
Posts: 2,112
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Re: Under Hood A/C Actuator - Help needed
Quote:
Yes, that helps A LOT ! Thank you, I feel much better knowing that part is available. And also the pictures and discussion are very helpful for me.
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Larry 84 Chevy SWB, "Roy", dark blue orig paint, 6 cyl auto, PS, 88,000 miles. 72 Highlander LWB "Olive" med olive over lt yellow, air, 77,000 miles (sold) "It's a sorry man who can't find his wife a good job" |
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08-20-2020, 02:27 PM
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#4 |
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Senior Member
Join Date: Feb 2009
Location: Northern Nevada
Posts: 7,118
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Re: Under Hood A/C Actuator - Help needed
That's a common break point, the door is too heavy for how they attach. I have one that looks exactly like the original, only it's a lighter door. Might have been a GM replacement.
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Tony 71 Custom Deluxe, SWB, 2WD, 402, A/C. I developed an assm. guide "kit" for restoring it from ground up. With assys, the guide accts for 1000s of OEM identifications and part numbers, all written in short order. 700+ images include assm, illust., charts, and points of interest. Much of the info. applies to all 67-72 GM trucks, and to a lessor degree all 67-72 GM vehicles. My build thread, and more on the guide https://67-72chevytrucks.com/vboard/...d.php?t=730025 |
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08-22-2020, 06:02 PM
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#5 |
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Senior Member
Join Date: Oct 2012
Location: Lexington, Ky
Posts: 2,112
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Re: Under Hood A/C Actuator - Help needed
Got the new fresh air door from LMC today. Trying to install but .... the small rod with spring doesn't seem to be long enough where it goes into the firewall.
See the yellow arrow in picture. New part has same rod length as original part rod length ?? Am I missing a part or washer or supposed to shim something ? EDIT: I modified the spring loaded rod so it's now long enough to go into the fitting on the firewall. All good.
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Larry 84 Chevy SWB, "Roy", dark blue orig paint, 6 cyl auto, PS, 88,000 miles. 72 Highlander LWB "Olive" med olive over lt yellow, air, 77,000 miles (sold) "It's a sorry man who can't find his wife a good job" Last edited by hooverfish; 08-23-2020 at 02:02 PM. |
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