19 mm
Backside of the oil pan.
T40
17mm
The 2005 Chevy Malibu 2.2 liter engine oil drain plug size is 9/16. The oil drain plug has very fine threads.
The wrench size should be 15mm.
The wrench size should be 15mm.
The 2000 Chevrolet Tahoe 5.7 liter engine oil drain plug is a 9/16 drain plug. The oil drain plug has very fine threads.
The original engine oil drain plug wrench size would be 15mm.
15mm
15 millimeter
Look at the bottom or rear of radiator