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sday12
Nürburgring


Joined: 04 Oct 2010
Posts: 490
Location: Essex


PostPosted: Sat Jun 01, 2019 9:04 am    Post subject: R134A Air Conditioning gas Reply with quote

Local garage are refusing to regas my 993 as it has no recommended gas label on the car. I’m sure I’ve always used R134A but their data states that it can use two gases R134A and another, possibly R22.

They are stating that if the two gases are mixed the chemical reaction can be hazardous.

My workshop guy at work says they have only charged it with R134A but they won’t take his say so.

Is there any technical information from Porsche available?
Heat
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Endoman
Barcelona


Joined: 11 Apr 2011
Posts: 1395
Location: Bolton U.K.


PostPosted: Sat Jun 01, 2019 9:36 am    Post subject: Reply with quote

Give Jim @ Chillout a call 07798 913054 he will have the correct info.
Surely they should purge the old gas anyway before a refill anyway?
I'm pretty sure it's R134A.
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Last edited by Endoman on Sat Jun 01, 2019 10:39 am; edited 1 time in total
 



Porsche R134a.pdf
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sday12
Nürburgring


Joined: 04 Oct 2010
Posts: 490
Location: Essex


PostPosted: Sat Jun 01, 2019 10:15 am    Post subject: Reply with quote

They said it’s the residual oil in the system that’s dangerous ???

Any way found the original sticker 911 701 141 00 states it’s a R134A car only. I think their data is wrong, as earlier 911s had R134A/R12 or just r12 stickers.

However all stickers have the same part number.

https://car-bone.pl/shop/air-condition-decal/ Confused Confused frustrated frustrated
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Endoman
Barcelona


Joined: 11 Apr 2011
Posts: 1395
Location: Bolton U.K.


PostPosted: Sat Jun 01, 2019 10:34 am    Post subject: Reply with quote

Just looked up the same site but from the service manual :-
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sday12
Nürburgring


Joined: 04 Oct 2010
Posts: 490
Location: Essex


PostPosted: Sat Jun 01, 2019 10:42 am    Post subject: Reply with quote

Top Man!
Razz
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tyinsky
Hockenheim


Joined: 29 Jun 2012
Posts: 704
Location: London, UK

1997 Porsche 993 Carrera 2S

PostPosted: Sat Jun 01, 2019 6:08 pm    Post subject: Reply with quote

Mine was recharged with R134A this morning. Hotter than hell in South Carolina! Heat
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