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General Information => Troubleshooting => Topic started by: insdtanoodles on August 15, 2005, 03:15:54 pm

Title: Switched to synthetic trany oil, now the tranny is loud
Post by: insdtanoodles on August 15, 2005, 03:15:54 pm
I just switched to synthetic as I try to get my diesel to get better mileage, currently getting 8L per 100km :cry: and now when I am driving over 60km/h I can hear the transmission whine and it gets louder as I go faster. Is this because the oil is so much thinner then the old stuff I drained out of the tranny? It was like molassis. The oil I am using isnt anything special since it is hard to find any oil that canadian tire doesnt carry so I am using their 75W90 synthetic gear oil. Is there anything I can do to make it quiter or will it adventually quite down on its own, thanks.
Title: Switched to synthetic trany oil, now the tranny is loud
Post by: Blades on August 15, 2005, 11:19:25 pm
oem VW tranny oil or Redline MTL oil

anything else = boom.
Title: Re: Switched to synthetic trany oil, now the tranny is loud
Post by: chrissev on August 20, 2005, 10:16:57 pm
Quote from: "insdtanoodles"
I just switched to synthetic as I try to get my diesel to get better mileage, currently getting 8L per 100km :cry: and now when I am driving over 60km/h I can hear the transmission whine and it gets louder as I go faster. Is this because the oil is so much thinner then the old stuff I drained out of the tranny? It was like molassis. The oil I am using isnt anything special since it is hard to find any oil that canadian tire doesnt carry so I am using their 75W90 synthetic gear oil. Is there anything I can do to make it quiter or will it adventually quite down on its own, thanks.


I don't think that's the correct oil.
Title: Re: Switched to synthetic trany oil, now the tranny is loud
Post by: hoyt on August 22, 2005, 07:00:38 pm
Quote from: "insdtanoodles"
I just switched to synthetic as I try to get my diesel to get better mileage, currently getting 8L per 100km :cry: and now when I am driving over 60km/h I can hear the transmission whine and it gets louder as I go faster. Is this because the oil is so much thinner then the old stuff I drained out of the tranny? It was like molassis. The oil I am using isnt anything special since it is hard to find any oil that canadian tire doesnt carry so I am using their 75W90 synthetic gear oil. Is there anything I can do to make it quiter or will it adventually quite down on its own, thanks.


Is the 75W90 oil a GL4 rated oil?  If not then you got the wrong
stuff in your transmission.  GL5 rated oil is NOT the right stuff, you have
to get a GL4 rated oil.  Redline MTL is GL4 rated.