Audi Workshop Service and Repair Manuals

Removing and installing sump (top section) Special tools and workshop equipment required

t  Used oil collection and extraction unit -V.A.G 1782- t  Safety goggles t  Electric drill with plastic brush t  Sealant → Electronic parts catalogue Removing l  Engine removed and secured to engine and gearbox support → Chapter l  Engine oil drained → Booklet811, → Booklet812 or → Booklet818. –  Remove timing chain cover (bottom) → Chapter. –  Remove drive chain for oil pump and high-pressure pump → Chapter. –  Remove sealing flange (pulley end) → Chapter. –  Remove oil pump → Chapter.

–  Unplug electrical connector -1- at valve for oil pressure control -N428-.   Note Disregard -item 2-.

–  Slacken and remove bolts in the sequence: -12 ... 1-. –  Carefully release sump (top section) from bonded joint, pry sump off dowel sleeves and detach. Installing   Note Renew gaskets, seals and O-rings.   Caution Protect lubrication system against contamination. Cover exposed parts of the engine.

WARNING Protect eyes against injuries. Wear safety goggles. –  Remove remaining sealant from sump (top section) and cylinder block using rotating plastic brush or similar. –  Clean sealing surfaces; they must be free of oil and grease.   Note

Note the use-by date of the sealant. –  Cut off nozzle of tube at front marking (nozzle Ø approx. 3 mm).

–  Fit seals -1- and -2- in sump (top section).   Caution Make sure lubrication system is not clogged by excess sealant. The sealant bead must not be thicker than specified. –  Apply beads of sealant -arrows- onto clean sealing surface of sump (top section) as shown in illustration. l  The grooves on the sealing surfaces must be completely filled with sealant. l  The beads of sealant must project 3.5 mm above the sealing surface.   Note The sump (top section) must be installed within 5 minutes after applying the sealant. –  Fit sump (top section) and tighten bolts → Fig.. Remaining installation steps are carried out in reverse sequence; note the following: –  Install coolant pipe (rear left) → Chapter. –  Install oil pump → Chapter. –  Install sealing flange (pulley end) → Chapter. –  Install drive chain for oil pump and high-pressure pump → Chapter. –  Install timing chain cover (bottom) → Chapter.