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I laughed at the guy who said to use a heat gun on a seized turbo actuator, but he was right
For years, I was sure you had to pull the whole turbo unit if the VGT actuator was frozen solid. Last month, a guy at a shop in Tacoma told me to just hit it with a heat gun for a solid minute, then try the key. I thought he was crazy, but I was stuck on a 2012 Duramax and gave it a shot. After heating the actuator housing, I cycled the key and heard it click free for the first time in weeks. Saved me half a day of work and the customer a big bill. What's the most 'backyard' fix you've seen that actually works on these newer engines?
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