u/AudibleGrey

The car now has 152k miles and I'd love to get it to 200k at least. I've done routine oil changes every 5k miles and changed the spark plugs and air filters, but other than that no other maintenance. Just recently though the car kind of feels slightly sluggish when it changes gears (new spark plugs). Doesn't happen all the time and it's not very noticeable but I'm worried it's the transmission. Is it too late to change the transmission fluid?