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#1 |
Registered User
Join Date: Feb 2006
Location: Smyrna, Ga
Posts: 1,647
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Best transmission fluid for 3-speed?
Whats the best transmission fluid to use in a 3-speed colum shift? Its a 69 with the original transmission from when it had a I-6.
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#2 |
Senior Member
Join Date: Jan 2003
Location: daytonabeach
Posts: 22,956
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Re: Best transmission fluid for 3-speed?
usually 90weight gear oil for a 3speed manual tranny
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#3 |
Registered User
Join Date: Feb 2006
Location: Smyrna, Ga
Posts: 1,647
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Re: Best transmission fluid for 3-speed?
got it
thanks |
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#4 |
its all about the +6 inches
Join Date: Jan 2001
Location: Hilliard Ohio
Posts: 2,693
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Re: Best transmission fluid for 3-speed?
I would say the synthetic gear oil personally... I think it's usually called 75/90... something like that anyways.
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#5 |
Registered User
Join Date: Feb 2006
Location: Smyrna, Ga
Posts: 1,647
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Re: Best transmission fluid for 3-speed?
Stupid question, how do you drain the oil?
Not sure exactly what kind of tranny it is. the numbers are GM16 8(or 3)82547, it is a three speed column shift from an original I-6 and its a '69 |
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#6 |
State of Confusion!
![]() ![]() Join Date: Jul 2002
Location: Gulfport, MS USA
Posts: 46,904
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Re: Best transmission fluid for 3-speed?
Some of them have a drain plug that will"drain" out. I think there are some that you have to pump the oil/fluid out before you add the new stuff. I do not remember if our standard 3 on the tree tranny had a drain pulg or not.
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#7 |
I am a Referee of life.
Join Date: Jun 2000
Location: Greensboro N.C.
Posts: 13,993
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Re: Best transmission fluid for 3-speed?
Some have a drain in the bottom of the tranny,others don't.Usually a vacuum pump is used to remove the gear oil from them.I have pulled the side cover to get the last of it out(the truck was in a flood up to the bottom of the windows).If you pull the side cover be very careful since the shift forks may not line up if you aren't familiar with them.
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#8 |
Registered User
Join Date: Feb 2006
Location: Smyrna, Ga
Posts: 1,647
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Re: Best transmission fluid for 3-speed?
ok. i'll pump it.
i've been hearing a funny wine, tansmission rpm specific. almost like going fast in reverse just not as loud. the level was slightly under the one plug (on passengers side), 1/2" but it was dark brown like engine oil. ??? |
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