I just recently bought a 2001 GMC 2500HD with the Duramax and Allison combination. After saving up and spending some $ to get what I want, the Duramax started to make metal ticking sounds from the back of the engine at 480 miles. The dealership said that GM is aware of the situation and has no fix at this time for the ticking sound. Now, I know that diesels make all sort of sounds, but when its metal ticking sound and only happens ever other rotation of the crank, this tells me that the problem is in the upper valley. I have called just about everyone I know from he dealership to the GM service center. Basically their advice was to wait until the Engineering boys have a fix. Now that just ain't right when you spend that much $ on a truck and it spends more time at the dealership, where they said they can't do anything about it because GM said that they can not touch any component of the engine. What get me is that everyone I have talked and complain to, from the service writers, shop Forman, dealership owner, dealership technicians and even GM service and area sales reps. and GM 1-800 customer service reps all have acknowledged that this problem is something GM knows about and is trying to fix. The service writer tells me that there are 36 similar complaints in the Houston area. I am so feed up; I am considering filling a deceptive business practice lawsuit and even the lemon law. Anyone else have this problem?
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