Emissions Control Module Tightening Sequence.

Courtesy of VOLKSWAGEN GROUP OF AMERICA, INC.

Step	Bolt	Steps
I	Screw-type clamp -1-	Position above the sealing flange and install the bolt.
II	Bolt -2-	Install hand-tight and immediately loosen 90°
III	Screw-type clamp -1-	Tighten to 8 Nm
IV	Bolt -2-	Tighten to 20 Nm
V	Bolt -3-	Install and pull to engage. Do not tighten or turn the bolt.
VI	Bolts -4-	Install and pull to engage. Tighten the bolts to 20 Nm.
VII	Bolt -3-	Tighten to 20 Nm

-- Remove the lifter (left-hand thread) -1- on the cylinder head using the :3247 in direction of -arrow- until stop, then tighten an additional 90°.

Courtesy of VOLKSWAGEN GROUP OF AMERICA, INC.