https://www.oreillyauto.com/shop/filters...500?q=oil+drain
https://www.oreillyauto.com/shop/filters...=oil+drain+plug
On most GM vehicles, they use the M12-1.75 thread drain plug. I never change the gasket on that particular plug when doing oil changes, but it got me thinking, is it recommended by GM or even necessary to change the gasket every oil change? I've never had leaks. I do change copper crush washers and aluminum flat washers every time when servicing other vehicles.
https://www.oreillyauto.com/shop/filters...=oil+drain+plug
On most GM vehicles, they use the M12-1.75 thread drain plug. I never change the gasket on that particular plug when doing oil changes, but it got me thinking, is it recommended by GM or even necessary to change the gasket every oil change? I've never had leaks. I do change copper crush washers and aluminum flat washers every time when servicing other vehicles.
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