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Doc Olds -> RE: PLZ Heeelp "affected VIN #s range" Head/Valve issue (11/20/2007 1:04:50 PM)
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If the last 8 digits in your VIN is less than 68287591 , there is a higher probability that you may be having this issue. You are in the correct vintage of MFG and Vin# to have the problem. If that 3 was going to have the head/valve issue, it would have likely had it by now. Check with the seller to see if any warranty work was done, if they received the GM letter re: the extended warranty, and then beat them down to $20,500.00. [;)]
Not all of the vehicles in the Vin# band and date of mfg have the problem, and the problem was also shared with other engines and that is what they did with the release of the new hardened cylinder heads on engines manufactured after March 31, 2006. Engine manufactured before that date COULD have the cylinder head problem. However, NOT ALL WILL have the problem.
GM issued as a bulletin that is available to anyone who wants it. It does affect other GM vehicles, and in fact affects some Envoy/Trailblazers with the in-line 6 and others with the four cylinder.
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