* Engine Variations: GMC 350 engines came in many different configurations over the years. The location of freeze plugs can vary depending on the specific engine model, year of manufacture, and even minor design changes.
* Access Difficulty: Even if there is a freeze plug behind the starter, it might be extremely difficult or impossible to reach without removing the starter itself.
How to Find Out:
1. Consult a Repair Manual: The best way to determine if your specific GMC 350 engine has a freeze plug behind the starter is to consult a repair manual for your year and model. These manuals often include detailed diagrams and information about freeze plug locations.
2. Online Resources: You can also search for online forums, repair sites, or specific engine diagrams for your year and model.
3. Professional Mechanic: If you're unsure, it's best to consult a qualified mechanic. They'll be able to inspect your engine and identify any freeze plugs near the starter.
Safety Note:
* Be aware that working on an engine can be dangerous. Make sure to disconnect the battery before attempting any work on the starter or freeze plugs.
Let me know if you can provide more information about your GMC 350 engine (year, model, etc.), and I might be able to offer more specific guidance.
