Quote:
Originally Posted by shertex
The FSM certainly thinks that measuring cold is fine. It specifies measuring at 20-30C as a legitimate method for measuring the level, giving very exact levels at that temperature for different 722 transmissions, thereby taking account of the thermal contraction. If they recommend it, how is it not recommended??
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Not exactly. A typical oil change will take place with the automatic transmission oil at 20-30 degrees C, that is why the FSM mentions it. It serves as a guide during oil changes, so that workshops don't have to drive for an hour every time a oil change is done. Prefered oil level check is done with the transmission warm.