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Date:         Wed, 13 May 1998 18:57:59 -0700
Reply-To:     "harald.nancy" <harald.nancy@MCI2000.COM>
Sender:       Vanagon Mailing List <Vanagon@vanagon.com>
From:         "harald.nancy" <harald.nancy@MCI2000.COM>
Subject:      Re: a/c rebuild and retrofitted to R134a
Comments: To: Vanagon@VANAGON.COM
Content-type: text/plain; charset=ISO-8859-1

I received some e-mails asking me for the vw retrofit instructions that came with the kit. It's only one page in English, and the other pages are in other languages. I am posting the page in English for your reference only, in case you are interested in purchasing this kit from your dealer. ----------------------------------------------------------------------------

INSTRUCTIONS FOR CONVERTING R12 CONDITIONING SYSTEM TO R134A

Notes: <>Observe safety precautions when working on vehicles with air conditioning system => Workshop manual -Air conditioner with R12 <>Installation set,part No.357 820 794 is required for conversion. This set contains two adapters (for low and high pressure valves) and a sticker. <>Additionally order the receiver (reservoir) including it's O-rings and the compressor O-rings (from parts catalogue).

Work sequence: -Extract refrigerant R12 using extraction station V.A.G 1691.

-Remove refrigerant oil from compressor - Two proposals for this: Proposal 1: Remove oil drain plug. Push a 200 mm long and 5 mm thick hose as far as possible into the compressor and extract oil with an oil extraction pump (for example Fischer Kälteklima, order No. 823 2251). Proposal 2: Remove compressor, remove oil drain plug and tip refrigerant oil out.

-Fill compressor with refrigerant oil for R134a (part No. G052 154 A2)

Quantity(capacity) Compressor Quantity in cubic centimeters ----------------------------------------------------------------------------

Manufacturer: York 100 ----------------------------------------------------------------------------

Manufacturer: Sankyo,Sanden SD 508 100 ----------------------------------------------------------------------------

Manufacturer: Sanden SD 510 100 ----------------------------------------------------------------------------

Manufacturer: Sanden SD 709 135 only cars 240 only Transporter ----------------------------------------------------------------------------

-Seal compressor and re-install if necessary - use new O-rings. -Renew receiver (reservoir) -use new O-rings. -Screw adapters on to high and low pressure valves. -Stick R134a label over R12 label. -Evacuate -Fill with R134a refrigerant using service station V.A.G. 1770 or V.A.G. 17771.

Quantity (capacity) ----------------------------------------------------------------------------

Vehicle Production Year Quantity in gramme ----------------------------------------------------------------------------

Golf Cabriolet 1985 to 1993 800 ----------------------------------------------------------------------------

Golf/Jetta/Vento 1985 to 1992 800 ----------------------------------------------------------------------------

Scirocco/Corrado 1985 to 1992 800 ----------------------------------------------------------------------------

Passat/Qantum 1986 to 1988 1200 ----------------------------------------------------------------------------

Passat 1988 to 1992 1050 ----------------------------------------------------------------------------

Transporter/Vanagon 1985 to 1992 1350 ----------------------------------------------------------------------------

738 350 86

*note: that's how they spelled "Qantum"


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