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Motor Oil Test and Comparison

AMSOIL vs. Mobil 1

409,000-Miles Without An Oil Change

AMSOIL Excels in API Sequence IIIF Performance Test

Motor Oil Performance Tests & Comparisons

Temperature Extremes Call For Superior Motor Oils

Why Harley-Davidson Owners Choose AMSOIL

Synthetic Motorcycle Oil & Harley-Davidson Warranty Issues

AMSOIL Synthetic Gear Lube Outperforms Valvoline Gear Lube

8.2% More MPG With AMSOIL Synthetic Lubricants

AMSOIL Proves Superior In Clark County Field Test

AMSOIL Series 3000 Synthetic 5W-30 Heavy Duty Diesel Oil is Correct Choice for Jeff Foster Trucking

AMSOIL Products Improve Efficiency and Reduce Operating Costs for Gerlach Trucking

What is the Noack Volatility Test?

What is the Four-Ball Wear Test?

What is TBN?

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Proper Wheel Bearing Maintenance

AMSOIL Synthetic Multi-Purpose Grease provides superior protection for automotive wheel bearings.

According to Brake & Front End magazine , because wheel bearing failure can cause loss of steering control and separation of the wheels from the vehicle, indications of wheel bearing problems cannot be ignored. The first symptom of trouble is usually a rumbling, growling, chirping or cyclic noise from the wheels. This noise is often proportional to driving speed, but unlike differential, transmission and U-joint noises, it does not change when accelerating, coasting or decelerating. Although the noise may change while turning, it should not be confused with the noise created by a worn or damaged outer CV joint on a front wheel drive car, which usually makes noise only when the vehicle is turning, not when driving straight.

A recent trend in the automotive industry is the return of serviceable wheel bearings. The 2WD Ford F-Series and GM Colorado and Canyon models, for example, feature wheel bearings that are not factory-sealed. While a problematic sealed bearing assembly must be replaced, serviceable bearings may be removed, disassembled, cleaned and inspected. If the rollers, balls and races show no signs of wear, pitting, cracking or damage, they may be reused.

Factory-sealed wheel bearings and hub assemblies do not require re-greasing and have a typical life expectancy of between 85,000 and 100,000 miles, while serviceable bearings typically call for cleaning, inspection and repacking with fresh, clean wheel bearing grease at 30,000 mile intervals. Brake & Front End recommends use of a quality high temperature wheel bearing grease, such as a #2 NLGI lithium-based grease, or a synthetic wheel bearing grease.

In order to remove contaminants, the old grease should be removed and the bearings cleaned and inspected prior to repacking them with fresh grease. Because used seals can leak and contaminate brake linings or lead to premature bearing failure, new grease seals should be used when installing wheel bearings.

When a vehicle experiences a wheel bearing failure, it is a good idea to pay close attention to the other hubs on the vehicle, especially if the vehicle has a lot of miles. If one bearing has failed, chances are the other bearings require service as well.

AMSOIL Synthetic Multi-Purpose NLGI #2 Grease (GLC) provides superior protection and performance in automotive wheel bearings. Composed of premium quality synthetic base oils and lithium complex thickeners, Multi-Purpose Grease provides superior film strength, shear resistance, adhesion properties and mechanical stability, and it excels in temperature extremes.


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AMSOIL Synthetic Diesel Oil Articles and Testimonials


Why is AMSOIL Synthetic Oil Better?

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AMSOIL Product Information

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Premium AMSOIL Synthetic Motor Oils offer the longest drain intervals on the market, unsurpassed protection and performance that effectively extends equipment life and improved fuel economy, saving customers money at the pump and reducing the nation's dependence on foreign oil.


"AMSOIL INC. warrants that the use of its lubricants will not cause mechanical damage to any mechanically sound equipment when AMSOIL INC. products are used in full compliance with the company's recommendations and instructions."


FULL WARRANTY


AMSOIL synthetic motor oils are formulated to surpass engine test specifications, offering protection far greater than competing motor oils for extended drain intervals. Most synthetic oil manufacturers make no claim to extended drain intervals, deferring to the maintenance schedule provided by the vehicle manufacturer. With its unparalleled oil and warranty program, AMSOIL offers consumers unprecedented protection and economics.


Another AMSOIL First

More than 20 years ago, AMSOIL began using the NOACK volatility test as a comparison tool and measurement of quality. Back then, nearly every oil tested side-by-side with AMSOIL synthetic motor oils failed, and those that passed barely squeaked by. Other oil companies paid no attention to NOACK results until Ford Motor Company made it a requirement for service fill oils, validating what AMSOIL had said all along.


THE NOACK Volatility Test
The NOACK Volatility Test determines the evaporation loss of lubricants in high temperature service. The more motor oils vaporize, the thicker and heavier they become, contributing to poor circulation, reduced fuel economy and increased oil consumption, wear and emissions. AMSOIL Synthetic Motor Oil resists high temperature volatization better than other motor oils. AMSOIL Synthetic Motor Oil maintains peak fuel efficiency and reduces oil consumption and emissions.

AMSOIL Now An ISO Certified Manufacturer
AMSOIL recently received ISO 9001:2000 certification of our Quality Management System (QMS). NSF International Strategic Registrations is the registrar that has verified our QMS meets the requirements of the ISO 9001:2000 standard, the most widely utilized quality standard throughout the world for quality management systems. ISO standards are used by over 300,000 companies worldwide setting rigorous standards for businesses, government and industry.

ISO 9001:2000 is applicable to any manufacturing and service organization providing a framework for system development that focuses on the customer, quality system performance and ongoing improvement. AMSOIL received ISO 9001:2000 registration under the scope: synthetic lubricants blending, packaging, and other fulfillment directly associated with lubricant product.

The ISO certification puts AMSOIL in line with some of the most efficient companies in the world. It is further assurance that the products and services AMSOIL provides will continue to maintain the high level of quality the company always demanded.


AMSOIL Product Information

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Which AMSOIL Products Are Recommended For Your Car or Truck?
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What Drain Interval Does AMSOIL Recommended For Your Vehicle?
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