(MCT) -- Q: I own a 2004 Chevrolet Corvette coupe purchased new in 2003. It has only 6,000 miles on it and is driven once a month in spring, summer and fall. I have a battery tender and had the battery replaced in 2010 for safety. I originally had yearly services, have had the coolant replaced a couple of times again to play it safe. I always have Mobil 1 oil changes and always drive to fully warm up the car - no short trips. I have been going every two years for the past couple of services. The car is covered in an attached garage. I try to get non-oxy gas and put a fuel stabilizer in every fall. Can I go even longer, say three years at this annual mileage? I have developed a small leak of transmission fluid from the transaxle. It appears to stop at a drop or two if I increase driving. I have been told seals can sometimes leak if the car is not driven regularly. What do you think about my maintenance program?
A: In a word - overkill. Like you, I'm a hard-core Corvette enthusiast. I have a pair now - the 1970 C3 Stingray I've owned and driven since 1972 and a 2009 C6 that purchased in 2012. For the first two decades of its life, I serviced the C3 within an inch of its life - as you've been doing. Then, as I began driving it less and less each year, I began doing less and less maintenance. I just serviced it this spring - oil/filter/lube/brake fluid - for the first time in four years. The car still runs well, shows no signs of neglect and still puts a smile on my face every time I drive it - about once a month, like you.
I service the C6 per GM's maintenance schedule. I put about 4,000 miles and one oil/filter change per year on the car - no small expense with 10.5 quarts in the dry sump oil system. I change the clutch fluid every couple of months, and the brake fluid every two years. At 19,000 miles, I plan to change the air and cabin filters this year.
Like you, I spent decades over-maintaining my vehicles. Three reasons: I bought them used and had to keep them at least 10 years/150,000 miles; I couldn't afford to have them professionally serviced; and, of course, peace of mind.