Quote:
Originally Posted by ZMEnow
Not sure I understood the question, but the original Eaton had a spring Isolator. There had been numerous complaints from the Cadillac group of a marble sound at idle but GM ignored the complaints as normal operation. When the Z was introduced with all the focus on a true track car that was fully warranteed and owners started complaining GM took notice, especially when many started replacing the Spring Isolator with a solid pinned unit from Lingenfelter.
Eventually GM started the TSB extended warranty coverage and began replacing initially the whole unit with a new Eaton. You couldn’t just do the Z's and not the caddy's for the same problem so caddy was added to the TSB. That in itself consumed all available stock as the caddy problem went back to 2009. So for a little over a year the new units were available for the Z but unless you got them early a massive inventory problem arised and you were waiting. To solve this GM went back to providing a refurb Eaton with a pinned solid, and eventually went back to a supposedly a new and improved Spring Isolator and stopped any further Solids from being installed. I have heard in some cases they will just replace the snout with a spring isolator but since I don't know anyone that has actually had it done I cannot confirm its true. They also refunded anyone who had already paid to have a solid put on and extended their warranty. Not sure I answered your question.
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The question was poorly worded. You answered it and then some. It was presented from the perspective of someone who has the warranty, hasn't used it, and doesn't want to lose it because of mods. So more accurately, if it is now refurbished with another spring and some grease as opposed to a brand new one with the solid isolator, is the warranty worth preserving? Judgement call on my part.
Thanks to all for the input. Informed decisions are always easier to live with when the result is less than ideal.