2023 Hyundai Ioniq 5 — brake fluid is old but still looks clean
Fluid looks clear in the reservoir but has been in the car for several years. Would you change based on time/moisture rather than appearance?
Maintenance & Service Intervals
Repairs & Ownership
Question: Do shorter oil intervals actually make sense for my use?
2025 BMW M3 Competition xDrive, about 22,000 miles. Most of my driving is short trips with a lot of idling, but the factory interval is pretty long. I'd rather…
2018 Mitsubishi Outlander — brake fluid is old but still looks clean
2018 Mitsubishi Outlander SE, about 85,500 miles. Fluid looks clear in the reservoir but has been in the car for several years. Would you change based on time/…
2024 BMW i4 — first used-oil analysis: what matters?
I am thinking about sending an oil sample to establish a baseline. For a normal street engine, which trends are actually useful over time and which one-off num…
Need advice: Coolant is old by time but low mileage
Car only has 32k miles but the coolant is several years old. Would you change it based on age alone? I'm trying to prioritize maintenance that matters rather t…
NorthDailyCommunity StarterDec 9, 20252024 Tesla Model Y Long RangeUpstate New York5 replies0 helpful
2019 Mazda Mazda3 — brake fluid is old but still looks clean
2019 Mazda Mazda3 Preferred, about 52,000 miles. Fluid looks clear in the reservoir but has been in the car for several years. Would you change based on time/m…
2023 Ford Bronco Badlands — need advice: First used oil analysis — what should I care about?
Thinking about sending an oil sample in mostly to establish a baseline. For a normal street car, which numbers are actually useful over time and which ones do…
2019 Mazda Mazda3 — short-trip driving and oil-change intervals
The car gets lots of cold starts, idling and short trips with few long highway runs. The factory interval feels long for that use.
2018 Kia Optima — brake fluid is old but still looks clean
Fluid looks clear in the reservoir but has been in the car for several years. Would you change based on time/moisture rather than appearance? Mostly looking fo…
2025 BMW M3 — short-trip driving and oil-change intervals
The car gets lots of cold starts, idling and short trips with few long highway runs. The factory interval feels long for that use. How would you set an interva…
2020 Kia Stinger — brake fluid is old but still looks clean
Fluid looks clear in the reservoir but has been in the car for several years. Would you change based on time/moisture rather than appearance?
Anyone else: First used oil analysis — what should I care about?
2024 Ram 1500 Limited, about 96,000 miles. Thinking about sending an oil sample in mostly to establish a baseline. For a normal street car, which numbers are a…
2024 Jeep Gladiator Mojave — question: Do shorter oil intervals actually make sense for my use?
2024 Jeep Gladiator Mojave, about 118,000 miles. Most of my driving is short trips with a lot of idling, but the factory interval is pretty long. I'd rather no…
2021 Nissan Rogue SV — coolant is old by time but low mileage
2021 Nissan Rogue SV, about 151,000 miles. Car only has 32k miles but the coolant is several years old. Would you change it based on age alone? I'm trying to p…
2018 Kia Optima — coolant is old by age but mileage is low
2018 Kia Optima EX, about 119,500 miles. The vehicle has relatively few miles but the coolant is several years old. I am trying to prioritize maintenance by ac…
2024 Ram 1500 Limited — do shorter oil intervals actually make sense for my use?
Most of my driving is short trips with a lot of idling, but the factory interval is pretty long. I'd rather not waste oil, but I also plan to keep the car past…
2021 Toyota Highlander — first used-oil analysis: what matters?
I am thinking about sending an oil sample to establish a baseline. For a normal street engine, which trends are actually useful over time and which one-off num…
2024 Chevrolet Corvette — brake fluid is old but still looks clean
2024 Chevrolet Corvette Stingray Z51, about 34,500 miles. Fluid looks clear in the reservoir but has been in the car for several years. Would you change based…
ShopHauler710Community StarterNov 8, 20252024 Chevrolet Corvette Stingray Z51New Jersey11 replies0 helpful
2018 Cadillac CTS-V — brake fluid is old but still looks clean — Charlotte owner
Fluid looks clear in the reservoir but has been in the car for several years. Would you change based on time/moisture rather than appearance?
2018 Cadillac CTS-V — coolant is old by age but mileage is low
The vehicle has relatively few miles but the coolant is several years old. I am trying to prioritize maintenance by actual risk. Would you replace based on tim…