The Original Synthetic Oil
All Service Oil
sales@allserviceoil.com
Copyright 2008 All Service Oil  All Rights Reserved
Virtually all automobile manufacturers warrant their vehicles to remain free of defect in honor a
warranty claim depends on the vehicle owner providing proper maintenance for the vehicle.  For
this reason, it is important for vehicle owners to maintain maintenance records. Proper
maintenance includes installing appropriate oil and filters.  Automakers cannot deny warranty
claims solely on the basis of using synthetic motor oil, and they cannot specify a certain oil
brand to be used in their vehicles.  Instead, they require the oil meets the appropriate API
performance classification and SAE viscosity grade specified in the owner’s manual.

“Installation or the use of special materials does not, in and of itself, void the New Vehicle Limited
Warranties.”

Service and Parts Operations,
Chrysler Corporation

Many high performance vehicles are factory filled with synthetic motor oils and the
manufacturers encourage continued use of synthetic motor oils in order to achieve maximum
performance, including Cadillac, Chevrolet, Corvette and Dodge Viper. Many other automobile
manufacturers neither recommend or discourage the use of synthetic motor oils, requiring only
that the oil meets a certain viscosity grade and performance classification.  

Automakers may not void warranties based solely on an owner’s practice of extending oil drain
intervals.  Dealership personnel and district managers may be unaware of the serviceability of
synthetic oils over an extended period, but they may not summarily dismiss a warranty claim
based on the owner’s practice of changing oil at extended intervals. To do so does not disprove
a defect in manufacture or workmanship as the immediate cause of failure. Vehicle owners may
appeal to a factory representative if the dealership and district manager do not satisfactorily
settle the warranty claim.

Factory representatives appreciate the value of used oil analysis and do consider preventive
maintenance oil analysis reports in their evaluations of warranty claims, while postfailure oil
analysis is critically important to the disposition of a warranty claim. Their findings pull more
weight than the opinions of dealerships or district managers.  

“If engine damage otherwise covered by warranty was found to be unrelated to the engine
lubricant, then the consumer’s practice with regard to oil change intervals would not be a
relevant consideration, and the warranty claim would be honored.”  

Fuels and Lubricants Division,
General Motors Research Laboratories

If used engine oil is discarded without an independent analysis, the dealership and vehicle
manufacturer lose their evidence to support a claim that the oil, and not a mechanical problem,
caused the failure. For example, sludge may be formed through several avenues, not all
related to the oil’s performance. Antifreeze contamination or nitration due to poor electronic
sensor performance may cause sludge, and both may be directly related to a defect in vehicle
manufacture or workmanship, but clearly neither may be blamed on the oil.  

“The New Vehicle Warranty would not be void simply because an owner failed to use proper
engine oils or did not perform maintenance at the prescribed intervals. Warranty applicability is
contingent upon the cause of failure.”

Service Policies and Procedures Department,
General Motors Corporation

Vehicle manufacturers base their owner’s manual maintenance recommendations on their own
research and to best protect their equipment based upon lubricants of varying quality, reliability
and value in the marketplace. A move toward extended drain intervals is in progress now. Ford
recently extended its recommended drain interval to 7,500 miles in normal service conditions,
while GM has been recommending increased intervals when indicated by its oil monitoring
system.

AMSOIL offers superior synthetic motor oils fully capable of providing extended drain service.
AMSOIL is committed to backing its products, as well as protecting the interests of its customers.
Therefore, AMSOIL INC. offers its customers a warranty.

“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.”

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.

Any lubricant meeting viscosity and performance specifications may be used.
Vehicle manufacturers describe lubricants by their viscosity grade and service classification,
which are defined by the Tripartite Committee, composed of the American Petroleum Institute,
the Society of Automotive Engineers and the American Society for Testing and Materials. All
AMSOIL synthetic motor oils state their SAE viscosity grade and API performance classification
on the product container, and all are recommended for the highest performance classification
for their application.  If personnel at a vehicle dealership claim that a vehicle warranty is void
simply by using AMSOIL synthetic motor oil, obtain this statement in writing and send a copy to
AMSOIL INC. AMSOIL INC. will follow up with the dealership.

The vehicle manufacturer may not specify by brand name the products you may use
in your vehicle.  
The Magnuson-Moss Act is a federal law which states that a manufacturer
may not require the use of a specific brand of aftermarket product, including lubricants, unless
that part is provided by the manufacturer free of charge. To do otherwise constitutes an
infringement upon free trade.  If any representative of the vehicle dealership or manufacturer
informs you that you must use a specific brand of lubricant or filter, obtain a written statement to
that effect and send a copy to AMSOIL INC. AMSOIL will follow-up.

Cause of failure is paramount to warranty claim payment.
Vehicle manufacturers warrant their products to be free of defect in manufacture or
workmanship. In order to avoid paying a warranty claim, a vehicle manufacturer must show a
failure is not due to a defect in the manufacture or workmanship of the vehicle. The
manufacturer may not arbitrarily blame a failure on the consumer’s practice of changing
oil at extended intervals.

Verbal notification of refusal to honor a claim is insufficient.
The refusal must be in writing and must state the specific reason a claim has been refused. If
you still think a failure is due to a defect in vehicle manufacture or workmanship, contact the
dealership, district manager, manufacturer or arbitrator.

The AMSOIL warranty assumes protection where the vehicle warranty stops.
AMSOIL offers complete protection to its customers through the finest line of lubricants and
filters available and through the unique AMSOIL warranty. Customers following AMSOIL
recommendations are protected by the AMSOIL warranty if they experience a failure caused by
an AMSOIL product and the vehicle manufacturer won’t honor its warranty.  

Customers are covered.  
As long as customers maintain their vehicles properly and follow either the vehicle manufacturer
recommendations or AMSOIL recommendations, their vehicles are warranted against failure by
either the vehicle manufacturer or AMSOIL INC. AMSOIL has had minimal warranty issues and
virtually no issues with dealerships.