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Old 04-25-2008, 03:33 PM
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amg280 amg280 is offline
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Join Date: Apr 2002
Location: NY
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Interesting tid bit

"Cryo-Chem: SSR/Cryo-Chem has been marketing specialty chemical products for mobile air conditioning systems for over eighteen years. We have the advantage of field experience that has shown us how they will perform, and how to be successful in using and selling them to the public.

We are unique in the industry in that we offer a 1- year, unconditional warranty. The technician fills out a registration card with the vehicle type, age and mileage, as well as information about the servicing location and technician. By comparing the data on the returned cards to our known warranty rate, we have established a failure rate of 1 in 150 during our existence. Plus, we also learn why the product fails on certain applications.

While the vast majority of failures are due to misapplication or improper installation, we have experienced failures even with proper installation. On these occasions, we found that were "running seam cracks." Example: evaporator failure along the welded seam of the tank and coil header.

As the product seals along the leading edge of the leak, that pressure builds. The crack opens further, breaking off the seal. The only indication of this type evaporator failure is that a system, which is known to be leaking, holds vacuum for excessively long periods. Why? Because the crack draws closed under vacuum (but won't hold pressure). Thankfully, this type of leak is rare.

In the past several years, we have found that 1 of 6 cars reported are Mercedes. These vehicles have a high rate of evaporator failure, and about a 20+ labor-hour repair. Plus, removing the dashboard requires disconnecting the air bag system and other vehicle control/monitoring components. In this case, liability and comebacks tend to cause our Kit repair to be offered before the component replacement. We believe this situation with the Mercedes products to be indicative of the future of our place in the automotive air conditioning industry."
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