Oil and fluids
Common sources of oil leaks are at the oil pan or oil filter, valve covers, timing cover or the crankshaft main seals.

Why Is My Car Leaking Oil or Another Fluid?
By Rick Cotta
January 15, 2023Common sources of oil leaks are at the oil pan or oil filter, valve covers, timing cover or the crankshaft main seals.
For some vehicles, you're advised to change the coolant every 30,000 miles. For others, changing the coolant isn't even on the maintenance schedule.

How Often Should I Change Engine Coolant?
By Rick Popely
October 26, 2022For some vehicles, you're advised to change the coolant every 30,000 miles. For others, changing the coolant isn't even on the maintenance schedule.
If you live in a place where the temperature never gets down to freezing, you might be able to get by with plain water in place of windshield wiper fluid.

Do I Have to Use Windshield Wiper Fluid or Is Water OK?
By Rick Popely
October 20, 2022If you live in a place where the temperature never gets down to freezing, you might be able to get by with plain water in place of windshield wiper fluid.
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While there are several fluids in modern gas-powered cars (and some in electric vehicles) that can be checked and topped off, many would only be low if there’s a leak in that system.

What Fluids Should I Top Off?
By Rick Cotta
August 14, 2022While there are several fluids in modern gas-powered cars (and some in electric vehicles) that can be checked and topped off, many would only be low if there’s a leak in that system.
GM claims that Dexos oil keeps engines cleaner, reduces sludge, improves fuel economy and can help emissions components last longer.

What Is Dexos Oil?
By Rick Popely
June 14, 2020GM claims that Dexos oil keeps engines cleaner, reduces sludge, improves fuel economy and can help emissions components last longer.
The number of miles on the odometer goes a long way to determining the value and desirability of a used vehicle.

How Many Miles Is Too Many for a Used Car?
By Rick Popely
June 13, 2020The number of miles on the odometer goes a long way to determining the value and desirability of a used vehicle.
Mazda is implementing a national program called the Essential Car Care Initiative to offer free one-time car cleanings and oil changes to health-care workers.

Attention Health Care Workers: Mazda Will Clean Your Car and ...
By Brian Normile
April 15, 2020Mazda is implementing a national program called the Essential Car Care Initiative to offer free one-time car cleanings and oil changes to health-care workers.
Approximately 9,800 model-year 2018-19 Mercedes-Benz and Mercedes-Maybach S560 sedans are being recalled for engine oil plugs.

2018-2019 Mercedes-Benz, Mercedes-Maybach S-Class: Recall ...
By Patrick Masterson
March 31, 2020Approximately 9,800 model-year 2018-19 Mercedes-Benz and Mercedes-Maybach S560 sedans are being recalled for engine oil plugs.
We reached out to automotive service experts to understand the biggest potential problems with unused cars and what steps you can take to prevent them.

Coronavirus Car Care: How to Keep Your Unused Car Healthy ...
By Mike Hanley
March 27, 2020We reached out to automotive service experts to understand the biggest potential problems with unused cars and what steps you can take to prevent them.
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Is Oil for High-Mileage Engines Worth the Extra Cost?
By Rick Popely
October 2, 2018