Q: Can I use full synthetic oil in a 99 mercury Sable 3.0dohc

asked by on

Can I use full synthetic oil in a 99 mercury Sable 3.0dohc

My car has 166000 miles.
My car has an automatic transmission.

As you may know, there are a multitude of engine oils on the market all claiming to be the "best" and prolonging the life of your car’s engine. One of the main questions you will be asked when changing your oil is whether or not you want a conventional oil or a synthetic oil. Synthetic vs conventional oil is one of the most debated myths surrounding the topic of oil changes. Contrary to popular belief, it will not hurt your engine when switching from synthetic to conventional or vice versa. In fact, Synthetic blend oils are actually a mix of conventional oils and synthetic oils. It is recommended that you use the same oil to top off when needed, giving you the best protection from the oil you have chosen to use in your vehicle. Many synthetic oils are made up of a base oil of approximately 80%, with other additives making up the remaining 20%. The main difference between the molecules in synthetically engineered oils and conventional oils are the uniformity of the molecules. The molecules found in most conventional oils differ in shape, size and impurity. The type of oil that should be used for a specific application depends largely on the driver’s driving habits, the environment in which the car is driven, the mileage on the car’s engine and the limits that the engine may be pushed to.

The other question you will need to answer when changing your oil is the kind of viscosity your engine requires. Viscosity is the thickness of the oil at certain temperatures. Generally, when the weather is colder outside you will want a thinner oil to allow the oil to flow easier through the motor allowing it to properly lubricate parts. When the weather is hotter outside, you will want a thicker oil to prevent it from what is called “thermal breakdown” and to keep it layering the internal engine parts with the proper lubrication. I would recommend having an expert from Your Mechanic come to your home to perform an oil change service on your car to determine the best option for your vehicle.

Was this answer helpful?
The statements expressed above are only for informational purposes and should be independently verified. Please see our terms of service for more details
  1. Home
  2. Questions
  3. Can I use full synthetic oil in a 99 mercury Sable 3.0dohc

Get an instant quote for your car

Our certified mechanics come to you ・Backed by 12-month, 12,000-mile guarantee・Fair and transparent pricing

Get a quote

What others are asking

Q: Car not shifting out of first. 2002 Mercury Sable

Hi there - unfortunately, the automatic transmission in your Sable has a known issue for sudden failure due to weakness in the torque converter. The drive lugs for the transmission fluid pressure pump (part of the torque converter) easily shear,...

Q: ABS light comes on sporadically and the right rear suspension shock absorber is leaking.

Hello. Best first step would be to get an ABS scanner hooked up and extract the problem codes from the ABS system. This may be as simple as a malfunctioning wheel speed sensor. In N. America, this model (badged as...

Q: My car shakes violently when the brakes are applied

Hi Grace. Thanks for contacting us tonight. We are a bit confused by the description of your vibration; so let's provide a bit of detail for you. If the shaking occurs when you are fully stopped, then the shaking issue...

Related articles

P0052 OBD-II Trouble Code: HO2S Heater Control Circuit High (Bank 2 Sensor 1)
P0052 code definition HO2S Heater Control Circuit High (Bank 2 Sensor 1) What the...
Rules of the Road For Iowa Drivers
Driving on the roads requires knowledge of the rules, many of which are based on common sense and courtesy. However, even though you know the rules in...
What are the Car Pool Rules in Hawaii?
Hawaii is widely regarded as a land of vacation and relaxation, and as such, its scenic roads and routes are far better known than the state’s freeways. But, as with all...