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Home » Public Forums » GMCnet » Thermal Expansion Valve 77' & 78"? (Need a replacement for the HVAC's Thermal Expansion Valve)
[GMCnet] Re: Thermal Expansion Valve 77' & 78"? [message #364884 is a reply to message #364882] Mon, 21 June 2021 22:18 Go to previous messageGo to previous message
stu@97381.com, Emery  is currently offline  stu@97381.com, Emery   United States
Messages: 232
Registered: June 2020
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Senior Member
Don’t buy it, Rick. It won’t work.
I may have the correct part number in my files.
Emery Stora

> On Jun 21, 2021, at 8:26 PM, Richard H Staples wrote:
>
> FWIW...... Rock Auto recognizes the GM number 5910768, and crosses it to a 4 Seasons number 38652, which they sell for about $17 plus shipping. My
> only hesitancy is that the illustrations they provide show a superheat type expansion, with a temp sensor that screws into the back of the A/C
> compressor. ie: It has two (2) capillary tubes connected to the expansion valve. Doesn't look anything like my GMC, but maybe the newer coaches are
> different.
> Take a look and see if it looks like it would fit your coach. Heck, for $17 I might try and make it work.
>
> HTH,
> Rick Staples
> --
> Rick Staples, '75 Eleganza, Johnstown, CO
>
> "Advice is a dangerous gift, even from the Wise to the Wise, and all paths may run ill." -Tolkien
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