Bolts And Nuts

Loosen and tighten the bolts and nuts from the covers and housings diagonally.

Courtesy of AUDI OF AMERICA, LLC
Components that are extremely sensitive must not be distorted and should be loosened and tightened in stages in a diagonal sequence.
The tightening specifications given apply to non-lubricated bolts and nuts.
Replace the self-locking nuts and bolts.
Replace the bolts and nuts, which are tightened with an additional turn.
Clean the bolts and nuts before reusing.