2025 Porsche Macan Electric 4S — 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…
Maintenance & Service Intervals
Repairs & Ownership
2013 Chevrolet Silverado 1500 — 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.
NoMarkupGal502Community StarterMay 23, 20262013 Chevrolet Silverado 1500 LTNorthern Virginia12 replies0 helpful
2022 Volkswagen GTI SE — 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…
2015 Volkswagen Golf — brake fluid is old but still looks clean
2015 Volkswagen Golf TDI, about 140,500 miles. Fluid looks clear in the reservoir but has been in the car for several years.
2016 Ford Focus — 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? I am trying to ge…
2024 Lexus RX — first used-oil analysis: what matters?
2024 Lexus RX 350h, about 24,000 miles. I am thinking about sending an oil sample to establish a baseline. For a normal street engine, which trends are actuall…
2015 BMW 335i — 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?
1990 Ford F-150 XLT — need advice: Do shorter oil intervals actually make sense for my use?
1990 Ford F-150 XLT, about 8,200 miles. Most of my driving is short trips with a lot of idling, but the factory interval is pretty long. I'd rather not waste o…
2013 Infiniti G37 — 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…
2013 Infiniti G37 xS — question: 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…
2024 Chevrolet Corvette — coolant is old by age but mileage is low
2024 Chevrolet Corvette Stingray Z51, about 51,500 miles. The vehicle has relatively few miles but the coolant is several years old. I am trying to prioritize…
ShiftCollector423Community StarterMay 6, 20262024 Chevrolet Corvette Stingray Z51Salt Lake City12 replies0 helpful
2025 BMW M3 — brake fluid is old but still looks clean
2025 BMW M3 Competition, about 29,500 miles. Fluid looks clear in the reservoir but has been in the car for several years. Would you change based on time/moist…
2023 Subaru Outback — 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…
TrackPilot512Community StarterMay 4, 20262023 Subaru Outback WildernessWestchester2 replies0 helpful
2025 Lucid Air — coolant is old by age but mileage is low
2025 Lucid Air Pure, about 14,000 miles. The vehicle has relatively few miles but the coolant is several years old. I am trying to prioritize maintenance by ac…
2020 Toyota Tundra — 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? I am in Connectic…
2023 Lincoln Navigator — 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…
2024 Rivian R1S — brake fluid is old but still looks clean — buyer question from Orlando
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?
2024 Subaru WRX Premium — anyone else: Coolant is old by time but low mileage
2024 Subaru WRX Premium, about 48,000 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…
2018 Infiniti Q50 — brake fluid is old but still looks clean
2018 Infiniti Q50 Red Sport, about 124,000 miles. Fluid looks clear in the reservoir but has been in the car for several years. Would you change based on time/…
TowEnthusiast655Community StarterApr 30, 20262018 Infiniti Q50 Red SportSan Antonio4 replies0 helpful
2024 Rivian R1S — 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? I am in Northern…
FlatSixDad488Community StarterApr 25, 20262024 Rivian R1S Dual-MotorNorthern Virginia5 replies0 helpful