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Old Oct 22, 2013 | 08:41 AM
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Default 6 Speed Transmission

I have read some things on here about changing the oil in a manual trans. The dealer where I'm having some work done suggests I have the oil changed because it is discolored.

People I talk to in my club are split on this issue, do you need to change the oil in a manual trans.? I was under the impression that you do not have to change the oil.

Thanks for any input.
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Old Oct 22, 2013 | 02:50 PM
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There is no scheduled maintenance requirement in my 06 Owner Manual for manual transmission fluid. However I changed mine a couple of years ago after the car passed its 5 year old birthday and I felt it was just good practice to renew all fluids at that time. But that's just me, and I'm a perfectonist DIYer and picky about car maintenance, plus I wanted to try Redline Synthetic in the trans.
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Old Oct 22, 2013 | 04:19 PM
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I changed the oil in my 56k mile '05 last weekend. The oil that came out looked like it had never been changed (I've owned the car for ~5 months). While there is no change interval called for that I'm aware of, it should be changed periodically, as the properties of the trans oil will break down over time.
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Old Oct 22, 2013 | 05:11 PM
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Thank you for the insight on the trans. oil change. How much Redline oil does it take? Probably would want to go that route as well.
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Old Oct 22, 2013 | 05:30 PM
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Shop manual says 4.1qt, which I believe is a totally dry number. On mine, the actual drain/refill took ~3.5qt.
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