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Old 03-26-2012, 11:52 AM   #1
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Magnuson-Moss Warranty Act of 1975.

What does everyone think about this topic? I just discovered it and wonder who else knew and what is your own point of view??

Well this is what i just kinda knew/found out a little more infomation about it somewhat protects us when we mod our cars and still have a warrenty

it declares we can mod our cars (depending on how big i think) that they cant just look at it and say the warrenty is voided but they have to prove that the mod or aftermarket part was the direct cause of the problem.

one insert from one site,
Magnuson-Moss Act

Nearly everyone has heard about someone who has taken a vehicle that has been modified with aftermarket parts to a dealer for warranty service, only to have the dealer refuse to cover the defective items. The dealer usually states that because of the aftermarket parts the warranty is void, without even attempting to determine whether the aftermarket part caused the problem.

This is illegal

One example from,
Warranty and Aftermarket Parts

You install an aftermarket air dam system to channel more air to the cold air intake system that you installed. The air dam system causes the vehicle to overheat because it restricts airflow over the radiator. As a result of overheating, the engine blows a head gasket and a cylinder head is warped. The car is still under warranty. You take it to your dealer and they determine that the aftermarket air dam system caused the overheating and thus the cylinder head damage and gasket failure. The carmaker is not obligated to perform any repairs under the provisions of the warranty.

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Old 03-26-2012, 12:16 PM   #2
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Re: Magnuson-Moss Warranty Act of 1975.

the actual interpretation of that is not exactly what one would think going by a discussion that was rather long on another forum, cant find the link now though.

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Old 03-27-2012, 12:36 PM   #3
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Re: Magnuson-Moss Warranty Act of 1975.

Problem is that there are SO many moving parts -- literally -- that you'd have to be an engineer yourself likely to refute Ford's position on it. Clearly, they no have place to deny your warranty with all factory parts. You've not changed it. After you change it, who's to say that the aftermarket part DIDN'T cause the issue?

I'm not sure where the burden of proof lies, but I would imagine that given the presence of an aftermarket part, it at least muddies the waters enough that it would require some work.
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Old 03-27-2012, 06:04 PM   #4
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It is so easy for any dealer or car manufacturer to deny a claim there really is no burden of proof. Perfect example involves reflashing the computer. If a tune is installed and say the engine blows up. It is nothing for them to say that the aftermarket tune with the changed timing and fuel curves caused the engine to malfunction. I can't imagine a single dealer or manufacturer that would honor that claim unless it was a factory authorized tune installed by an authorized dealer/ service center.

The only real thing this act does is prevent a dealer from simply saying that an installed aftermarket part caused the failure without due process, i.e. not inspecting or searching for the root cause of the failure. In fact, most manufacturers now word their warranties in such a way that it is really easy for them to deny claims once you modify the vehicle.

Best bet, play it safe if you care about the warranty on the drive train components.
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