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POLL: 1st Maintenance for your new C8

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  • POLL: 1st Maintenance for your new C8


    We know the 1st GM reccommended service is at 7,500 miles. I personally put about 800 - 1200 miles a year on my Vette. I get the oil changed every year no matter what. My thought is I am going to change the oil and DCT fluid/filter at 1,000 miles. Moving forward I will still change the oil every year and I will change the DCT fluid/filter after that to every 7500 or 3 years whichever comes first.

    What are you going to do?
    59
    I will service both powertrain parts at 7500 per GM
    42.37%
    25
    I will service the car at 1000-1500 miles and just change the oil.
    13.56%
    8
    I will service the car at 1000-1500 miles and change the oil and DCT fluid/filter
    25.42%
    15
    I will service the car at 3000 miles and just change the oil.
    3.39%
    2
    I will service the car at 3000 miles and change the oil and DCT fluid/filter
    10.17%
    6
    I will service the car at 5000 miles and just change the oil.
    0%
    0
    I will service the car at 5000 miles and change the oil and DCT fluid/filter
    5.08%
    3
    Vette's owned: 99 Sebring Silver Convert - 10yrs, 2008 Crystal Red Convert,w/cam, longtubes and Vortech supercharger. C8 ordered from Kerbeck, VIN 0000336 at status 4000, built on 2/10/20 (on QCH HOLD) C8 Spec: Torch Red 2LT, Z51, FE4, E60, CF7, FA5, AH2, HUL, J6E, TU7, 3F9, Q8P, 5ZU, R8C

  • #2
    Couldn't vote. I'm gonna have to read the manual. Would have picked the first choice except like you, I don't put 7,500 miles on my C7 per year.

    Comment


    • #3
      I will service the car at 1000-1500 miles and change the oil and DCT fluid/filter
      We are the Anti-Swarf League!
      C8 Coupe, Zeus Bronze, 3LT, TU7, HUE, GUI, CF7, EFY, EYK, J6N, NPP, E60, STI, VQK

      Comment


      • #4
        Can't vote. Every oil guru will tell you good synthetic oils can easily last 20,000 km's on a daily driver. I change mine about every 10,000 miles (15000 kms)
        Murray - Uxbridge, Ontario, Canada
        Torch red coupe, Adrenaline red 2LT Q8Q E60 NPP

        Comment


        • #5
          I'll follow the manual. I believe the engineers know what they are doing and I wouldn't want to jeopardize the warranty.
          On Deposit: 2020 C8 Stingray Convertible - Torch Red - Natural Dipped 3LT - Z51 w/MSRC - Front Lift

          Comment


          • #6
            Every new car I have bought lately requires a annual maintenance as per owners manual and the warranty ......first couple are usually free... I seldom put 7500 miles on a sports car....,

            Comment


            • #7
              The early initial oil changes are not to replace "worn out" oil. Rather, the theory behind it is that the parts are wearing in as they mate, and very fine metallic pieces are suspended in the oil. Its to get the metallic fine dust out of the lubrication systems.

              Comment


              • #8
                Originally posted by Ralston View Post

                We are the Anti-Swarf League!
                Originally posted by Milliwatt Rob View Post
                The early initial oil changes are not to replace "worn out" oil. Rather, the theory behind it is that the parts are wearing in as they mate, and very fine metallic pieces are suspended in the oil. Its to get the metallic fine dust out of the lubrication systems.
                Ah. Had to look up “swarf,” which turns out to be: “Swarf is the material that is removed by machining processes such as grinding or milling. Depending on the machining process used and the speed of the machining, swarf may be produced in many shapes and sizes from a variety of materials, including plastic, wood, metal and stone.” (Definition from “corrosionpedia.com”.)

                I have always done an extra oil and filter change at 1,000 miles or less for exactly the reason Milliwatt Rob noted. Never had a single motor problem in 53 vehicles we have owned. Overkill for changing oil that extra time? Probably so, in fact C5/early-C6 Executive Corvette Chief Engineer told me exactly that, concluding that “if changing your oil and filter very early on, and one extra time makes you feel good it’s your money.”

                Thinking about this further, would not there also be the same swarf coming from within the DCT as its parts initially wear in. GM wants it changed at 7,500 miles and it willing to pay for the DCT canister and its fluid top too. Does GM know that none of the initial gear wearing “swarf” does not start to occur until after 1,000 miles?

                Hence, I Just voted; my vote was that I will change the motor oil and filter at no more than 1,000 miles, and when doing so will also replace the DCT canister too. If my dealer chooses to call it the one GM freebie even though very low miles, fine, but if not I will gladly pay for it and have GM pay for the second round at 7,500 miles (get my single GM freebie at that time).
                GBA Black; HTO Twilight/Tension interior; Z51 & Mag Ride; E60 lift; 5ZZ high wing; FA5 interior vis CF; ZZ3 engine appearance; 3LT; Q8T Spectra Gray Tridents; J6N Edge Red Calipers; SNG Edge Red Hashmarks; VQK Splash Guards. Separately getting from my dealer RCC Edge Red engine cover, 5JR vis CF mirror caps, and VJR illuminated sill plates.

                Lifetime, annual contributors, and 20+ year members of National Corvette Museum.

                Home is the beautiful Pacific Northwest.

                Comment


                • #9
                  I will do initial service at 12-1500 miles and every 7500 miles after that. Which means I will get at least 2 oil changes a year as my C8 will be a DD for at least 9 months a year as all my Vettes have been.

                  Comment


                  • #10
                    When the DIC says it time for service, that's when I'll have it done. Based on history, we typically do 4000 to 5000 miles the first year then it settles down to 2500 to 3000 miles in year 2 and 3, then it's history. With the synthetics recommended these days, I don't think I've ever heard of a new Corvette having an internal failure due to lubricant issues. If I was tracking the car, then I'd follow a different routine, but I put my helmet away about 20 years ago.

                    Comment


                    • #11
                      I voted for "I will service the car at 1000-1500 miles and change the oil and DCT fluid/filter", since that's pretty close to my plan.

                      As with all my new vehicles, I'll place a FilterMag on the car as soon as I get it home, and change the engine oil at 500 miles. I also plan to change the trans-axle fluid myself, likely at around 2500 miles.

                      Since the trans-axle has a wet clutch system, clutch material (which has metallic particles) will be continually shed into the trans-axle fluid. I recall hearing that the C8 Oil Life Monitor also gives information on remaining trans-axle fluid life... we shall see.
                      Upcoming Vette:
                      '20 Elkhart Lake Blue 2LT Coupe, Natural Interior, GT2 Two-Tone Seats, Performance Exhaust, Front Lift, Carbon Flash Wheels, Engine Appearance Package 2000 Status on December 27, 2019, 3000 Status on January 2, 2020, TPW of March 16, 2020

                      Current Vettes:
                      '68 Lemans Blue 327/350 Convertible
                      '91 Turquoise Convertible with Hardtop
                      '14 Lime Rock Green 2LT Convertible, Black Top, Kalahari, 7-Speed, Performance Exhaust

                      Comment


                      • #12
                        I will change the oil around 500 or so...my c7 has 8k miles on it and the only expense has been oil changes, this year I will do the rear diff as well....I am a firm believer in maintenance being the cheapest and smartest investment in your car...
                        3lt SOT...cf racing stripe,front lift.mag ride, z51,cf mirrors & spoiler,bright trident wheels,yellow calipers, yellow stitching black leather ,yellow belts,

                        Comment


                        • #13
                          Thanks to all who voted! I think this is a good representation.

                          Seems almost 40% will follow factory service guidelines & 60% will service their baby sooner than recommended.
                          Vette's owned: 99 Sebring Silver Convert - 10yrs, 2008 Crystal Red Convert,w/cam, longtubes and Vortech supercharger. C8 ordered from Kerbeck, VIN 0000336 at status 4000, built on 2/10/20 (on QCH HOLD) C8 Spec: Torch Red 2LT, Z51, FE4, E60, CF7, FA5, AH2, HUL, J6E, TU7, 3F9, Q8P, 5ZU, R8C

                          Comment


                          • #14
                            You have to remember, GM pays for the initial scheduled services. So the bean counters desire to save money probably eclipses the best engineering judgement.

                            Comment


                            • #15
                              Bean counters consider warranty claims too.
                              GBA Black; HTO Twilight/Tension interior; Z51 & Mag Ride; E60 lift; 5ZZ high wing; FA5 interior vis CF; ZZ3 engine appearance; 3LT; Q8T Spectra Gray Tridents; J6N Edge Red Calipers; SNG Edge Red Hashmarks; VQK Splash Guards. Separately getting from my dealer RCC Edge Red engine cover, 5JR vis CF mirror caps, and VJR illuminated sill plates.

                              Lifetime, annual contributors, and 20+ year members of National Corvette Museum.

                              Home is the beautiful Pacific Northwest.

                              Comment

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