2g awd 5 speed Trans whine

[Boost_2G_GSX]

well I changed the fluid to syncromesh and now after driving 100 miles when i got almost home a whine started only in first gear. Rest of the trans works and shifts fine. Should I drain and go with 80-90 agian? Thanks agian

 

[ApexVIII]

well first of all drain out that crappy Syncromesh, it is bad on our Syncro's. i can not say that the fluid change is what caused your new tranny whine. but i do recommend you change it for some better fluid

taken from
DSM Transmission rebuilds

Q: What kind of gear oil do you recommend?

A: For our DSM and 3S transmission rebuilds we recommend factory Mitsubishi 6-speed manual transmission gear oil from the 2005 Mitsubishi EVO MR. (Part number mz313376). This is the best oil to use as it has the perfect blend of friction modifiers to keep the tranny shifting smoothly and prevent gear failure. Please make sure you use the proper amount as specified in your owners manual (typically 2.4 Qts.) Gear oil choice is very important and varies based on preloads and synchro blocker ring design, therefore it is strongly recommended that you stick with this fluid for our transmissions. If you are unable to locate Mitsubishi MR 6-speed oil from the Mitsubishi dealer, Redline Heavyweight Shockproof 50/50 mixed with Valvoline 80W-90 gear oil will also work just as well. For transfer cases and rear ends, use Redline Heavyweight Shockproof ONLY. It is especially important to use only Redline Heavyweight Shockproof fluid or Mitsubishi dealer t-case fluid in EVO transfer cases. DO NOT use Synchromesh, BG Synchroshift I or II, or Royal Purple. These fluids will destroy synchros and gears and void your warranty! THESE ARE THE ONLY FLUIDS WE HAVE EXPERIENCE WITH. If you ask us "Will xyz fluid be okay?" we won't have an answer for you.

 

[Boost_2G_GSX]

alrighty got the fluid waiting on a new fuel tank seal to jack it up and drain it out. thank you