Engine Oil

Engine oil lubricates automotive motors and is essential to proper car maintenance and performance. Read the article below to gain an understanding of choosing the right motor oil for your vehicle. Access full Chilton's content from your library to find automotive repair information by make, model, and year.

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Engine Oil Overview

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Warning

New or used engine oil can be irritating to the skin. Avoid prolonged or repeated skin contact with engine oil. Contaminants in used engine oil, caused by internal combustion, can be hazardous to your health. Thoroughly wash exposed skin with soap and water. Do not wash skin with gasoline, diesel fuel, thinner, or solvents, health problems can result. Do not pollute, dispose of used engine oil properly. Contact your dealer or government agency for location of collection center in your area.

 

Only lubricants bearing designations defined by the following organization should be used.

  • Society of Automotive Engineers (SAE)
  • American Petroleum Institute (API)
  • National Lubricating Grease Institute (NLGI)
  • Association des Constructeurs Européens d' Automobiles (European Automobile Manufacturers Association) (ACEA)

API Service Grade Certified

Use an engine oil that is API Certified. MOPAR® provides engine oils, that meet or exceed this requirement.

SAE Viscosity

5W-30 Oil Filler Cap

An SAE viscosity grade is used to specify the viscosity of engine oil. Use only engine oils with multiple viscosities. These are specified with a dual SAE viscosity grade which indicates the cold-to-hot temperature viscosity range. Select an engine oil that is best suited to your particular temperature range. Refer to your engine oil filler cap for the recommended engine oil viscosity for your vehicle.

Engine Oil Viscosity (2.8L Diesel Engines)

For vehicles equipped with a Diesel Particulate Filter (DPF), use a fully synthetic, low ash oil that meets Chrysler Material Standard MS-11106.

For vehicles not equipped with a DPF, use a fully synthetic oil that meets Chrysler Material Standard MS-10725.

ACEA Categories

For countries that use the ACEA European Oil Categories for Service Fill Oils, use engine oils that meet the requirements of ACEA A1/B1, A2/B2, or A3/B3.

Energy Conserving Oil

An Energy Conserving type oil is recommended for gasoline engines. The designation of ENERGY CONSERVING is located on the label of an engine oil container.

Container Identification

API Certification Mark

Standard engine oil identification notations have been adopted to aid in the proper selection of engine oil. The identifying notations are located on the front label of engine oil plastic bottles and the top of engine oil cans.

This symbol means that the oil has been certified by the American Petroleum Institute (API). Chrysler only recommends API Certified engine oils. Use Mopar® engine oil or equivalent.

Synthetic Engine Oils

There are a number of engine oils being promoted as either synthetic or semi-synthetic. If you chose to use such a product, use only those oils that meet the American Petroleum Institute (API) and SAE viscosity standard. Follow the service schedule that describes your driving type.

Engine Oil Additives/Supplements

The manufacturer does not recommend the addition of any engine oil additives/supplements to the specified engine oil. Engine oil additives/supplements should not be used to enhance engine oil performance. Engine oil additives/supplements should not be used to extend engine oil change intervals. No additive is known to be safe for engine durability and can degrade emission components. Additives can contain undesirable materials that harm the long term durability of engines by:

  • Doubling the level of Phosphorus in the engine oil. The ILSAC (International Lubricant Standard Approval Committee) GF-2 and GF-3 standards require that engine oil contain no more than 0.10% Phosphorus to protect the vehicles emissions performance. Addition of engine oil additives/supplements can poison, from the added sulfur and phosphorus, catalysts and hinder efforts to guarantee emissions performance to 80,000 miles.
  • Altering the viscosity characteristics of the engine oil so that it no longer meets the requirements of the specified viscosity grade.
  • Creating potential for an undesirable additive compatibility interaction in the engine crankcase. Generally it is not desirable to mix additive packages from different suppliers in the crankcase; there have been reports of low temperature engine failures caused by additive package incompatibility with such mixtures.

 

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