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  1. The "How-To" and DIY Section
    Hello, I recently acquired a 2003 Trailblazer LS 4x4 with 77K miles. How can I tell if radiator hoses really need replacing? After reading some other posts, do I REALLY need to disconnect the battery? I'm concerned that the "tuning" over time that the OBC has done to the mixture, etc. will be...
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