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Old 10-14-2007, 08:53 am   #1
 
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CM question for corvette mechanic

i recieved this e mail thru my corvette club website.
"I own a 2000 corvette with 20,000 miles. I am experiencing pinging/knocking in second through 6 gear. I had my car in to Century III Chevrolet a year ago to try and solve the problem per GM's bulletin. The problem is back and I spoke to GM about it. They indicated that I have to take my car in for diagnostic first to determine if there is a problem or it is the same as last year". what should i tell him ?? thanks

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Old 10-14-2007, 11:11 am   #2
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I would start with a top end decarb through the intake manifold to clean the intake valves and the pistons, or a couple full tanks of techron to accomplish the same thing. Start with the basics, and see if you need to go further.
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Old 10-14-2007, 06:46 pm   #3
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i would tell him to take it to grabiak out in new alexandria. i'de bet that they would have at least world class certified tech out there since they are a chevy dealer specializing in corvette sales. i have not called to ask grabiak to see if they had one since i have not had any problems with my vette but if i did, they would be my first call.

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