Component Tests and General Diagnostics

Eliminating Noise Symptoms - Reworking Wire Harness For Battery Wiring (Clicking Noise From Fuel Injectors)

Technical values







General information

Symptom
Clicking noises (fuel injectors) when the engine is warm and cold.

Causes and remedial action
The ground strap is touching the valve cover and transmits the fuel injector noises to the passenger compartment when the engine is warm and cold.

In the event of a complaint, the ground strap must be fitted in the bracket for the valve cover on vehicles manufactured before the date of introduction February 2008.

Preliminary work

Preliminary work for engine ground strap
1. Lift the vehicle.

Reworking wire harness for battery wiring

Reworking ground strap on engine







WARNING:
Engine is hot.
- Danger of burns.
- Only work on engine when it is "cold".
- Wear protective clothes, gloves and goggles.







1. Loosen fastening screw -1- slightly. Fit ground strap -2- in the bracket so that there is no contact with the valve cover -3-.
2. Tighten fastening screw -1-. - Tightening torque: 23 Nm (17 ftlb.)

Subsequent work

Subsequent work for engine ground strap
1. Lower the vehicle.