There should be a recommended fluid change chart in the owners manual Differential oil change for a c6 corvette compliments of vet @   But since we don't usually put the mileage on our cars like others you might have to use time as a reason to.
How-To Change Your Differential Fluid (Easy DIY) - YouTube
You need to change it every 25,000 to 40,000 miles (40,000 to 60,000 kilometers)
It’s recommended every 90,000 miles (150,000 kilometers)
I changed the diff fluid in my 02 z06 at something like 800 miles and now change it about every 8 track days or so But, mine has been mostly a track car from the start. If you do not use your vehicle under any of these conditions, change the fluid and filter at 100,000 miles (166 000 km) Manual transmission fluid doesn’t require change.
A full list of recommended 2005 chevrolet corvette regular maintenance including pricing Find local service centers, car repair warranty advice and more on kbb.com. The following guidelines are the approximate intervals many 2005 chevrolet corvette manufacturers suggest auto maintenance service be performed However, always refer to the owner's manual, dealer.
These fluids and filters need to be changed based on the age of fluid, as well as mileage on fluid, and also need to consider the severity of use on the.
Gm specifies 45,000 miles for dct fluid Owners who track the c8 or launch repeatedly The newer the corvette, the longer the oil change intervals (better fuel control keeps more of the fuel/acids out of the crankcase) It really is possible to.
Dealer recommends a brake fluid flush, power steering fluid flush, decarb service, rear differential service and. The rear differential on the corvette is often the most neglected item during regular. Replacement of the diff and trans fluid in a c6 corvette My links to the products mentioned: