Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
13 53 107 Removing and Installing/Replacing Both Injection Lines (N73)
Necessary preliminary tasks:
- Remove manifold. See 11 61 050 REMOVING AND INSTALLING INTAKE AIR MANIFOLD (N73)
- Disconnect fuel lines. See 13 53 175 REMOVING AND INSTALLING/REPLACING ALL PRESSURE LINES (N73)
Recycling:
Fuel escapes when fuel lines are detached.
Catch and dispose of escaping fuel.
Observe country-specific waste-disposal regulations.
Release screws in area (1).
Tightening torque, 13 53 4AZ. See 13 53 FUEL INJECTION NOZZLES AND PIPES
Installation:
Check O-rings on fuel injector for damage.
If necessary Replace O-rings.
Assemble engine.
Check fuel lines for leaks.
NO RELATED
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
Affiliate disclosure: We may earn a commission at no extra cost to you.
When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.