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Audi A3 / S3 / RS 3 MKII Discussion forum for the 2015 to 2022 Audi A3, S3 and RS3 - including the upcoming E-tron and TDI models Community Links Pictures & Albums Members Search Forums Show Threads Show Posts Tag Search Advanced Search Find All Liked Posts Go to Page... G12 vs G13 Reply Subscribe Thread Tools Search this Thread 05-03-2017 | 07:56 PM #1 ahyeah Thread Starter AudiWorld Member Joined: Nov 2014 Posts: 71 Likes: 0 G12 vs G13 My coolant is low. The manual states to use G12++ or G13 only. I've got some open G12 that's probably 3yrs old. How do I know if it's G12++ (as opposed to G12) and usable, or should I steer totally clear of it due to age? I may only have the car for another 6mo or so, otherwise I'd just buy a fresh gallon. And, it'd be nice to put it to use instead of it going to waste. Reply Like ahyeah View Public Profile Send a private message to ahyeah Find More Posts by ahyeah 05-05-2017 | 09:07 PM #2 gk1 AudiWorld Super User Joined: Jan 2001 Posts: 8,706 Likes: 522 From: NJ->CO How low? Just put in distilled water and be done with it. A small amount isn't going to dilute the mix enough to get excited. Reply Like gk1 View Public Profile Send a private message to gk1 Find More Posts by gk1 05-05-2017 | 09:10 PM #3 plat27265 AudiWorld Senior Member Joined: Nov 2015 Posts: 1,916 Likes: 11 From: GVRD, BC Canada Quote: Originally Posted by ahyeah My coolant is low. The manual states to use G12++ or G13 only. I've got some open G12 that's probably 3yrs old. How do I know if it's G12++ (as opposed to G12) and usable, or should I steer totally clear of it due to age? I may only have the car for another 6mo or so, otherwise I'd just buy a fresh gallon. And, it'd be nice to put it to use instead of it going to waste. Go to your local auto store or Audi or VW dealer and buy a jug of G12++ or G13. Both can be mixed together with no consequences. Be sure to buy the pre-mixed coolant which is cheaper than the 100% pure coolant. Pre-mixed coolant is already diluted with distilled water. Keep leftovers in the jug and just store it in a nice place in your garage. Here is the Audi Technical Bulletin on identifying and mixing factory fill coolants: https://www.carmd.com/Tsb/Download/86450/A191119 Last edited by plat27265; 05-05-2017 at 09:16 PM. Reply Like plat27265 View Public Profile Send a private message to plat27265 Find More Posts by plat27265 05-07-2017 | 01:26 PM #4 ahyeah Thread Starter AudiWorld Member Joined: Nov 2014 Posts: 71 Likes: 0 Perfect, thanks guys. Reply Like ahyeah View Public Profile Send a private message to ahyeah Find More Posts by ahyeah Reply Subscribe Related Topics Thread Thread Starter Forum Replies Last Post Audi G12 Coolant Vs Pentosin G12 Plus UmIsThisThingOn A4 (B8 Platform) Discussion 1 02-02-2011 03:09 PM Definitive B5 A4 Coolant/Antifreeze Use Thread MrGoodbytes A4 (B5 Platform) Discussion 42 01-09-2009 07:30 PM Coolant question... Can i use universal green or Audi pink only?? CapeCodAudi A6 / S6 (C5 Platform) Discussion 6 01-27-2008 06:48 PM Audi Coolant: P/N ZVW 237 105 vs. G12 TwentyValveB5+S4 A4 (B5 Platform) Discussion 11 11-06-2005 06:45 PM G12 vs. Dexcool Coolant ???? EhhFour A4 (B5 Platform) Discussion 4 06-29-2003 06:45 PM Back to Subforum Audi A3 / S3 / RS 3 MKII View Next Unread APR 10% off on ECU/TCU Mods thru May 31st Thread Tools Show Printable Version Search this Thread Advanced Search Thread Tools Show Printable Version Email this Page Advanced Search Reply Closed Thread Share

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