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Registered
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The fourth line down in this section is a thread on Red Line transmission lube.
 

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Retired citizen
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24,287 Posts
Anyone use redline 75/140 gear oil in there tranny
Mine is whining when hot
It's whining now with the 75/140 in there ?
Did you put the full quart in the trans ?
 

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i run 75/140 reg ol gear lube in me trans but its a 5 speed . read alot about them 6 speeds havin lots problems.
 

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South GA *******
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I'm late to this discussion but the 09s whine some when in fifth gear because of the straight cut fifth gear. My 09 SG has a whine when in fifth no matter what oil I use.
 

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Lost in Space
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6,859 Posts
I'm late to this discussion but the 09s whine some when in fifth gear because of the straight cut fifth gear. My 09 SG has a whine when in fifth no matter what oil I use.

My 09 does as well. Just think of it as a jet engine waiting for 6th gear.
 
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