In transmission disassembly, it is crucial to follow manufacturer guidelines, diagnose issues, and use proper tools. However, it's not necessary to replace all components, as some may still be usable. Thus, the statement about replacing all transmission case components is the exception. ;
The exception in the disassembly of a transmission is that not all transmission case components need to be replaced. Proper diagnosis, manufacturer guidelines, and tool availability are crucial in the process. Assessing the condition of each part will determine if it should be reused or replaced.
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