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Corvette
C8 Forum
DCT transmission Fluid and filter replacement
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<blockquote data-quote="Mr.Corvette" data-source="post: 339984" data-attributes="member: 6760"><p>No that's for adding the two extra liters of transmission fluid. You lose 6-8 oz of transmission fluid when you change the DCT filter and the mechanic will replace that fluid with the filter change. I heard today of an early 2023 (that is only 3 weeks away from his 2nd anniversary as start of production for the 2023's was Fri May 20, 2022), with almost 6000 km and the owner didn't believe the DCT filter needed to be changed ever! The dealership could do it free now and apparently the filter was just filthy after 2 years and only half the km on it compared to the recommended change in the owners manual. I had my 2020 filter changed at exactly 12,000 km after one year and it was almost as dirty as the filter was at 2 years with half the milage. The information was passed along to me today by a mechanic who builds race engines for boats and cars. A year and a half ago, I posted on this forum the first Home Office Letter notice that went to dealers about the complementary oil and DCT filter change for C8's. The bottom line is this, if you change your DCT filter before 12,000 km (which from the ones I've seen isn't a bad idea), your still required to change it at 12,000 km. With the history of issues that this car has had with the transmissions, it isn't worth risking your warranty on a $20,000 part by not following the service schedule of your car and giving GM an opportunity to deny you a warranty claim because you didn't. Protect yourself and your car by following what's in your owners manual. For those that have been to Ron Fellows, in speaking with the mechanics there, the DCT filter is changed every 2,000 miles, the transmission fluid every 4,000 miles and the oil every 1,000 miles. The tires only last 6 days, but my point is, if you drive your car like we did on the track, consider changing things a little more often!</p></blockquote><p></p>
[QUOTE="Mr.Corvette, post: 339984, member: 6760"] No that's for adding the two extra liters of transmission fluid. You lose 6-8 oz of transmission fluid when you change the DCT filter and the mechanic will replace that fluid with the filter change. I heard today of an early 2023 (that is only 3 weeks away from his 2nd anniversary as start of production for the 2023's was Fri May 20, 2022), with almost 6000 km and the owner didn't believe the DCT filter needed to be changed ever! The dealership could do it free now and apparently the filter was just filthy after 2 years and only half the km on it compared to the recommended change in the owners manual. I had my 2020 filter changed at exactly 12,000 km after one year and it was almost as dirty as the filter was at 2 years with half the milage. The information was passed along to me today by a mechanic who builds race engines for boats and cars. A year and a half ago, I posted on this forum the first Home Office Letter notice that went to dealers about the complementary oil and DCT filter change for C8's. The bottom line is this, if you change your DCT filter before 12,000 km (which from the ones I've seen isn't a bad idea), your still required to change it at 12,000 km. With the history of issues that this car has had with the transmissions, it isn't worth risking your warranty on a $20,000 part by not following the service schedule of your car and giving GM an opportunity to deny you a warranty claim because you didn't. Protect yourself and your car by following what's in your owners manual. For those that have been to Ron Fellows, in speaking with the mechanics there, the DCT filter is changed every 2,000 miles, the transmission fluid every 4,000 miles and the oil every 1,000 miles. The tires only last 6 days, but my point is, if you drive your car like we did on the track, consider changing things a little more often! [/QUOTE]
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Corvette
C8 Forum
DCT transmission Fluid and filter replacement
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