High Pressure Lines
WARNING: This page is about a different car, the 2012 Audi Q5, 2011 Audi Q5, 2010 Audi Q5, and 2009 Audi Q5. However, it is still accessible from the selected car via links, so may be relevant.
Special tools and workshop equipment required
- Torque Wrench 5-50 Nm VAS1331
- Ring Spanner Insert VAS1331/2
NOTE:
Tighten union nut on the fuel high pressure pump, refer to Figure
High pressure line connections must not show any signs of damage.
Do not bend the high pressure lines to a different angle.
Never bend any of the fuel line mounting clamps.
If a mounting clamp was bent, or if the fuel line is being replaced, then the mounting clamps must also be replaced.
-- Coat threads on the union nut with fuel.
-- Tighten high pressure line union nuts by hand, making sure they are seated without tension.
-- Use VAS1331 with the open end VAS1331/2 to tighten the high pressure line on the fuel rail.
- Tightening Specifications High pressure line union nut: 25 Nm
-- Only install the retaining tabs after tightening the high pressure lines.
-- Check fuel system for leaks.