What tranny fluid to use??? - page 1 - IDI Engine - VWDiesel.net The IDI, TDI, and mTDI source.

• What tranny fluid to use??? by Topherdiesel on 20 Nov, 2004 07:41
• I had some tranny work done,a nd I think the guys actually boiled down dinosaurs,a nd poured the goo into my tranny!!!
  
  What to get, thats a good fluid, something thats smooth all the time, winter and summer!!!
• #1 by fspGTD on 20 Nov, 2004 12:00
• Can't help you without more information on what car it is you're talking about..  Please list your car's year, model, and engine in your signature, to avoid confusion folks!
• #2 by mk1vdub on 21 Nov, 2004 09:16
• I was recommended redline MTL oil, which is great, its even helped with the dreaded 'second gear crunch' syndrome.
• #3 by RAMMSTEIN on 21 Nov, 2004 09:40
• I use Redline MTL in my Passat TDI's tranny.
  
  Gained anywhere from 3% to 5% increase in fuel economy with it (70W80 vs 75W90). :twisted:
• #4 by TDIMeister on 21 Nov, 2004 17:14
• I've been using Redline MTL since 100k km (now 269k) and I love it!  I had the same experience, too, regarding the second-gear grind.  In cold climates, no question MTL is the favourite of many.
• #5 by srivett on 21 Nov, 2004 17:35
• The only "decent" GL4 I could find was Canadian Tire SemiSynthetic 75w90.  I went everywhere and all the synthetic oil I saw was GL5.
  
  Steve
  
  EDIT:  -35C and this stuff felt really thick.  At first I thought it was my linkage but the thickness went away while driving so I don't think so anymore.  I've never run the stock oil at this temp but I imagine the semi-synthetic isn't a whole lot better because it felt really gooey when swinging the shifter around in a circle.
• #6 by Topherdiesel on 21 Nov, 2004 21:08
• I have a 93 golf 1.9 td
  
  code ath tranny
  
  what does gl4 and gl5 mean??
  
  HELP!!!
• #7 by Rat407 on 22 Nov, 2004 04:11
• I installed AMSOIL's 80w-90 GL4 rated oil and it has made shifting way better.
  Synthetic gear oil in general will help especially in the cold. If you stick with the reputable brands, Mobil 1, Redline (a favorite of many on here) AMSOIL and Royal Purple to name the most popular.
  
  GL4 and GL5 are differences in the additives in the oil. Many will tell you not to use GL5 if you have an older transmission due to the additive in it will attack certain metals inside the tranny.  Mainly the bronze sincro rings in the older tranny's if I remmember correctly.  Some one else might have more info on this. Correct me if I'm wrong.
  
  Here is some discussion on it here. http://tech.bentleypublishers.com/thread.jspa?forumID=40&threadID=6465
• #8 by ricosuave on 22 Nov, 2004 12:30
• try the forums at
  
  bobistheoilguy.com
  
  rico
• #9 by fspGTD on 22 Nov, 2004 14:04
• Quote from: "Topherdiesel"

  I have a 93 golf 1.9 td
  
  code ath tranny
  
  what does gl4 and gl5 mean??
  
  HELP!!!

  
  
  gl4 and gl5 are ratings of transmission fluids.
  
  I would recommend for your application (020 family VW transmission) 2 quarts of Redline MTL.  It is synthetic and is great stuff, and also has the proper GL4 rating as required by your transmission.
• #10 by Peter on 04 Dec, 2004 12:40
• Redline has an ATF for manual trans.called..D4-ATF(not just ATF) also it is rated as a gear oil GL4 ,which I use in my older subaru ...in my vw diesel I run with Honda manual tranny oil...very thin and almost like ATF...excelent shifting and no grinding
• #11 by fatmobile on 05 Dec, 2004 10:51
• I've heard good things about syncromesh.
   Over on the vortex, several people were saying they had good luck solving their second gear grind with it.
   A cheap fix that worked great for them.
   Anyone over here tried it?
• #12 by Topherdiesel on 12 Dec, 2004 09:36
• wrong place
• #13 by fspGTD on 12 Dec, 2004 12:33
• I know of one knowledgeable VW transmission builder who is pretty adamant on putting brass syncros into all his VW 020 transmission rebuilds.  The factory used brass syncros in most gears but moly coated steel in 2nd gear and sometimes 3rd gear as well.  This tranny builder was of the opinion that the brass syncros had more friction than the moly coated steel ones, so it cut down or cured completely the potential "2nd gear crunch" problem.  It's an interesting theory and "fix": http://www.qualityvwparts.com/trans.html
• #14 by Dr. Diesel on 12 Dec, 2004 20:08
• here's a question Joe,
  what oil should you use if you have a peloquin diff?