Fuel System - Ticking Noise From High-Pressure Fuel Pump
SI B13 05 12Fuel Systems
November 2012
Technical Service
SUBJECT
N20 Engine: Ticking Noise from High-pressure Fuel Pump
MODEL
F25
F30
From start of production to May 21, 2012
SITUATION
The customer complains of a high-frequency ticking noise from the engine compartment. The noise can be heard inside and outside the vehicle.
CAUSE
Mechanical vibrations inside the high-pressure fuel pump
CORRECTION
Install high-pressure fuel pump acoustic cover P/N 13 51 7 629 169. The plastic acoustic cover will snap onto the high-pressure fuel pump.
Do not remove the fuel lines or the high-pressure fuel pump to install the acoustic cover.
PARTS INFORMATION
WARRANTY INFORMATION