Installation (upper Oil Pan- A4 & A6) Audi A6 C5

Note. Ensure excessive sealant is not used, too much sealant may find its way into the oil pan and may plug the oil pickup screen.

Scheme 67

1. Ensure oil pan surfaces are clean and dry. Remove residual sealant from oil pan, if necessary, with hand drill and plastic brush instead of a flat scrapper. see scheme 80 Apply a bead of 0.04-0.12 in (2-3 mm) sealant (D 454 300 2) on the cylinder block. Ensure sealant is applied at overlap joints between sealing flanges and oil pan at front and rear.
2. Install all the bolts between the pan and the block, and between the pan and transmission. Tighten all bolts finger tight.
3. With all bolts in place, tighten upper oil pan to engine bolts to 5 N.m (44 in. lbs.). Tighten oil pan to transmission housing bolts to 45 N.m (33 ft. lbs.).In second step, tighten upper oil pan to engine block bolts again in a diagonal sequence to 15 N.m (11 ft. lbs.). Tighten M10 bolts between upper oil pan and engine block to 45 N.m (33 ft. lbs.).