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2006 Buick Lucerne

Question: Oil pan plug size

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Lois, 3.8L V6, Wichita Falls, TX, February 22, 2009, 17:03

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I am trying to determine the exact size of wrench that will fit the oil pan plug on my car. One 14mm socket fits it, but a 14mm open/closed end straight wrench is too large. What is correct?

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Answer #1

hemicuda February 26, 2009, 12:51

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Some show 13mm and some show 14mm use the boxed end as long as its snug it will be fine.

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Answer #2

Hunterdollarbill May 20, 2012, 05:45

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Using a wrench a 13mm will fit it.

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lpsingh, June 21, 2012, 08:43

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13mm seems to fit pretty snugly. No room for a drive though, just use a box wrench.

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