Thx John (and Jim C), Youy wrote:<<three cans on ebay for about $15 a can>> - is that the R12? Or a R12 substitute? Sounds like it's time to get my EPA609 certification to buy -
Thanks! Now, I must decide if I want to risk blending the coolants ;-) Thanks again! Larry T (67 MGB, 74 911, 78 240D, 91 300D) www.youroil.net for Oil Analysis and Weber Parts Test Results http://members.rennlist.com/oil PORSCHE POSTERS! youroil.net Weber Carb Info http://members.rennlist.com/webercarbs Porsche Road Test http://members.rennlist.com/roadtest/ . ----- Original Message ----- From: "John Robbins" <[EMAIL PROTECTED]> To: "Mercedes Discussion List" <mercedes@okiebenz.com> Sent: Sunday, July 08, 2007 3:22 PM Subject: Re: [MBZ] Bubbles in AC sight glass? 91 300D 2.5T > Jim Cathey wrote: >>> I have R12 BTW. Do any of the aftermarket substitutes work with >>> safety? >> >> I believe so, yes. Others will disagree, particularly those with >> a vested interest in maintaining an effective monopoly on AC servicing. > > The substitutes will work, but they have advantages and disadvantages. > You can't add a substitute to existing R12... have to vacuum it all out > and replace with the substitute. They are usually blends, which means > if you do have a leak you have to vacuum out and start over (except for > Jim C. who blends his on the fly!). The blends are also usually > flammable, which some people use as a negative point. IIRC, either R134 > or R12 is flammable anyway so it doesn't really much matter. The blends > also stop working above a certain ambient temperature (~100)... so if it > is really toasty where you live they won't work. The replacements *are* > cheaper than 12 though... > > Just get your EPA609 certification ($15, online, open book test) and get > two or three cans on ebay for about $15 a can. Really not all that more > expensive than R134. > > I have no vested interest in maintaining an AC servicing monopoly... I > just live in the south and like cold A/C!! > > John > > _______________________________________ > http://www.okiebenz.com > For new parts see official list sponsor: http://www.buymbparts.com/ > For used parts email [EMAIL PROTECTED] > > To Unsubscribe or change delivery options go to: > http://okiebenz.com/mailman/listinfo/mercedes_okiebenz.com > > > -- > No virus found in this incoming message. > Checked by AVG Free Edition. > Version: 7.5.476 / Virus Database: 269.10.2/890 - Release Date: 7/7/2007 > 3:26 PM > > _______________________________________ http://www.okiebenz.com For new parts see official list sponsor: http://www.buymbparts.com/ For used parts email [EMAIL PROTECTED] To Unsubscribe or change delivery options go to: http://okiebenz.com/mailman/listinfo/mercedes_okiebenz.com
