When is the BEST time to drain differential carrier oil on a scheduled lube change?

A) when it has cooled to ambient temperature
B) at operating temperature
C) after cooling for one hour
D) any time on a summer's day

Differential Carrier Oil

A type of lubricant used in the differential of a vehicle to reduce friction and protect the gears.

Operating Temperature

The range of temperature within which a mechanical or electronic device is designed to function efficiently and safely.

Ambient Temperature

The temperature of the surrounding air or environment where a device or system operates.