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.
Installation Procedure
The fuel injector assembly (1) is stamped with a part number identification (2), a manufacturing date (3), a week code (1), and a production plant number (4).
- Coat all new O-rings with clean engine oil before installing
- Install the fuel injector lower O-ring (4).
- Install the fuel injector upper O-ring (2).
- Install the fuel injector (3) to the fuel rail.
- Install the fuel injector retaining clip (1).
- Install the fuel rail. Refer to Fuel Rail Assembly Replacement (L36) or Fuel Rail Assembly Replacement (L67) .
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
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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.
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