Answer:
Both technician A and B are correct
Step-by-step explanation:
The function of the gear lube drain plug is to drain the automatic transmission fluid from the gear box
Although motor oil is for the engine, motor vehicle transmission uses different oil types as the transmission system or automatic transmission system (ATF) operates in an closed system environment it is free from fuel contamination that motor oil absorbs
As such depending on the specification, manual transmission oil can range from hypoid oil, motor oil or automatic transmission oil.