Audi Workshop Service and Repair Manuals

Installing high-pressure pipes Special tools and workshop equipment required

t  Torque wrench -V.A.G 1331-

t  Ratchet -V.A.G 1331/1-

t  Open end spanner insert, AF 17 -V.A.G 1331/6-

t  Tool insert, AF 19 -V.A.G 1331/5- (engine code CAPA only)

t  Socket -T40055- Procedure   Note t  Note identification marks for cylinder allocation when re-installing high-pressure pipes. t  The high-pressure pipes can be re-used after performing the following checks: t  Check taper seats of high-pressure pipes for deformation and cracks. t  The bore of the pipe must not be distorted, restricted or otherwise damaged. t  Corroded pipes must not be used again. –  Lubricate threads of union nuts with fuel. –  Hand-tighten union nuts on high-pressure pipes (ensure that pipes are not under tension). l  Tightening torque 25 Nm

–  To tighten unions of high-pressure pipes, use torque wrench -V.A.G 1331- with ratchet -V.A.G 1331/1- and socket, 17 mm -T40055-.

–  To tighten unions of high-pressure pipes, use torque wrench -V.A.G 1331- with tool insert, AF 17 -V.A.G 1331/6- / tool insert, AF 19 -V.A.G 1331/5-. –  Check fuel system for leaks → Chapter.