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the knock sensor is a 1.5" round disk with a single wire connected to it. It is located on the bottom driver's side of the engine. Unscrew it from the block and be prepared with a large open-top drain pan to catch all the antifreeze from the block. Use Teflon pipe tape on the new sensor to seal the threads.

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14y ago
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Q: How do you change a knock sensor on 93 Chevy Caprice?
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