Oil Pan Lower Section, Tightening Specification And Sequence
WARNING: This page is about a different car, the 2010 Audi A5, 2009 Audi A5, and 2008 Audi A5. However, it is still accessible from the selected car via links, so may be relevant.
Fig 1: Identifying Lower Oil Pan Bolt, Tightening Sequence
Courtesy of AUDI OF AMERICA, LLC
-- Replace the bolts for the lower oil pan section -1-.-- Tighten the bolts in 2 stages in a diagonal sequence as follows:-- Pre-tighten to 5 Nm.-- Tighten an additional 90°.