The drain plug is at the bottom of the oil pan and the drain plug size is a T45 torx.
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Thursday, January 15th, 2015 AT 6:38 PM
KEN L
MASTER CERTIFIED MECHANIC
47,722 POSTS
The oil drain plug on the Catera is located on the bottom of the oil pan, which is situated under the engine. The standard wrench size for the drain plug is 13mm. Check out the images (below). Let us know if you need anything else.