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Old 07-21-2020, 06:42 PM   #1
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1994 33' Land Yacht
APEX , NC
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94 Land Yacht AC compressor search

I am attempting to get the coach AC running. It was converted to R134a some time ago, but by the time she came to me, the compressor was GONE. No numbers, no hints.
Anyone have a clue where to begin? It's a 454 Chevy engine but I cant locate any information
Thanks.
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Old 07-21-2020, 07:07 PM   #2
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1993 21' Sovereign
Colfax , North Carolina
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R134a was mandated in 1992, so it wasn't converted.
Most of the factory installs had R4 compressors. If so, they are pretty common, and still relatively cheap. If you find a replacement, make sure you replace the drier and orifice tube along with the compressor.
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Old 07-21-2020, 07:36 PM   #3
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1994 30' Excella
1992 35' Airstream 350
Austin , Texas
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Is the bracket still in place?
My 1992 350 was converted to 134A in 2001 and this was the compressor I just replaced with the identical one. Some $200 plus
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Old 07-22-2020, 06:40 AM   #4
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1994 33' Land Yacht
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94 land yacht ac compressor. MIA

Quote:
Originally Posted by PeterH-Airstreamer View Post
Is the bracket still in place?
My 1992 350 was converted to 134A in 2001 and this was the compressor I just replaced with the identical one. Some $200 plus
The bracket is still there. the bolts run in parallel to the compressor housing and there is an H shaped single bolt clamp that clamps both the lines in.
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Old 07-22-2020, 07:00 AM   #5
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1994 30' Excella
1992 35' Airstream 350
Austin , Texas
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Quote:
Originally Posted by RON NICKELS View Post
The bracket is still there. the bolts run in parallel to the compressor housing and there is an H shaped single bolt clamp that clamps both the lines in.
Lucky you, the bracket could be harder to find than the compressor. Take a good picture or two of the bracket and location of Hi/lo lines and will try to compare. I can also give you the belt size required. Its Gates 7603 for my application (main belt is serpentine, small powersteering belt and this bigger one )
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Old 07-22-2020, 10:43 AM   #6
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1994 33' Land Yacht
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94 as ac bracket

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Old 07-22-2020, 05:04 PM   #7
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1994 33' Land Yacht
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Quote:
Originally Posted by PeterH-Airstreamer View Post
Lucky you, the bracket could be harder to find than the compressor. Take a good picture or two of the bracket and location of Hi/lo lines and will try to compare. I can also give you the belt size required. Its Gates 7603 for my application (main belt is serpentine, small powersteering belt and this bigger one )


I hope these photos go through...

Thanks
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Old 07-22-2020, 06:29 PM   #8
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1994 30' Excella
1992 35' Airstream 350
Austin , Texas
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Ron, here are some pictures for you to compare. Bracket and adjuster looks like its the same. you are missing the Hi/lo connections/charge ports . Who ever took the old compressor out, must have left them on the compressor. Dont you hate when they do that.
It appears that the loose connector (green/black) is the clutch wire. Green to red clutch wire and black to ground
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Old 07-23-2020, 09:53 AM   #9
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1974 20' Argosy 20
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You might get lucky and find the needed hose and pump fittings at Nostalgic Air.

Brad
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Old 07-30-2020, 01:52 AM   #10
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Try having a look at the old service manuals here:
https://www.gmt400.com/threads/88-95...manuals.43575/

Perhaps another owner can look up their AC number on a similar year coach

I believe the Sanden SD-7H15 was used in some of these coaches. My 91 had a Diesel Kiki and it has a red sticker on it which says 488-23075. Richard at ACME might be able to provide some advice on your set up.

http://acmeairparts.com/compressorsseltec.html
https://atc.ca/product-lines/atc/a-c-compressors/
http://www.acpartsguys.com/tech_tips

Good cross ref guide also attached!

Good luck

Nick
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Old 08-08-2020, 09:53 AM   #11
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1994 33' Land Yacht
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found the compressor

Thanks for your suggestions. The Chassis is a Chevy P30. Sanden works.
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