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How to Replace a Broken Power Door Lock in the Front of a 2002-06 Chevy Trailblazer or GMC Envoy

Watch our video for step-by-step instructions showing you how to replace/install a broken power door lock in the front of a Chevy Trailblazer or GMC Envoy (2002-2006). We'll show you an easy way to fix this common problem with simple hand tools, which any do-it-yourself mechanic can perform. Save time and money by fixing the issue yourself.

Apple's iOS 26 and iPadOS 26 updates are packed with new features, and you can try them before almost everyone else. First, check Gadget Hacks' list of supported iPhone and iPad models, then follow the step-by-step guide to install the iOS/iPadOS 26 beta — no paid developer account required.

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