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Transmission and Rear-diff fluids changes necessary?

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Old Apr 3, 2012 | 06:36 PM
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Default Transmission and Rear-diff fluids changes necessary?

I'm picking up my new to me '06 coupe Thursday. The seller put only 8,500 miles on it in 6 years. My question is whether or not I should change the transmission and rear-diff fluids?

I know to change the engine oil and flush and replace the coolant. Any other maintenance items I should take care of? This car was a true garage queen driven only on nice days and special weekends by an older retired guy. It's practically a new car, all things considered.

Thanks in advance.
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Old Apr 3, 2012 | 06:55 PM
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I'd definitely do it. And put fully synthetic fluids in there. You'll notice the improvement in the transmission right away. You always want those fluids changed after break-in, but very few owners actually do it. Most likely your car never got that done, so it's well overdue, even with not too many miles. Time is another problem with fluids. Six years is a crapload of time. And don't forget the brake fluid. Good luck.
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Old Apr 3, 2012 | 07:05 PM
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I changed mine to Redline at 1,000 miles.
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Old Apr 3, 2012 | 08:28 PM
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Thanks guys. I'm in the same boat, new to me 06 coming in a couple weeks. Car has 13K miles on it.

I change my own oil but have never done transmission and rear diff. Anything special I need to know?
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Old Apr 3, 2012 | 08:46 PM
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Here's the link I used to get info when I did my differential.http://www.southerncarparts.com/corv...nge-ex-43.html
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Old Apr 3, 2012 | 08:55 PM
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Awesome, thanks.
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Old Apr 3, 2012 | 11:54 PM
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OP: If it is an A6, I would also change out the filter as well. I also like to add two bottles of water wetter to the engine coolant. http://www.redlineoil.com/product.aspx?pid=74&pcid=10 Congrats on your new Vet.
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Old Apr 7, 2012 | 09:59 PM
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Default diff oil change

does the#88862625 cdn# apply to the 2011 Z06 which i just bought a week ago
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Old Apr 8, 2012 | 09:29 PM
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Originally Posted by vette&ssr
does the#88862625 cdn# apply to the 2011 Z06 which i just bought a week ago
The correct part # is 88862624. Yes, that diff fluid will work.
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Old Apr 9, 2012 | 01:59 PM
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Originally Posted by Rick@RKT56
The correct part # is 88862624. Yes, that diff fluid will work.
The differential fluid I had recommended has two numbers. 10-4034 and 88862624. AC Delco Dexron LS gear oil 75W-90. Also says on the bottle contains limited slip friction modifier.
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Old Apr 9, 2012 | 02:06 PM
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Originally Posted by Night Train
I'm picking up my new to me '06 coupe Thursday. The seller put only 8,500 miles on it in 6 years. My question is whether or not I should change the transmission and rear-diff fluids?

I know to change the engine oil and flush and replace the coolant. Any other maintenance items I should take care of? This car was a true garage queen driven only on nice days and special weekends by an older retired guy. It's practically a new car, all things considered.

Thanks in advance.
diff fluid is super easy no reason not to - several writeups are available on this site if needed

trans takes more effort and you may want to have done
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Old Apr 20, 2012 | 10:34 PM
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Default rear diff

just changed the oil in my diff,2011 zo6 if anybody has not done it yet i would highly recomend getting it done, had 3500 miles on mine it had enough fileings in it.
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Old Apr 21, 2012 | 12:27 AM
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I usually go 35-45 thousand miles between manual trans fluid and diff fluid change.

The Vette sees these changed every year for diff and ever two for trans.

6 thou a year mileage.
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