Fuse Block: Testing and Inspection

WM 979449 Eliminating noise symptoms - Reworking central electrical system power distributor

General information

Symptoms

Rattling noises from under the front seat close to the central electrical system power distributor.

Causes and remedial action

Rattling noises can be heard while driving due to tolerances between the caps and the mounting plate for the central electrical system power distributor.

In the event of a complaint, felt strips must be affixed to the mounting plate and caps of the central electrical system power distributor to remedy the situation on vehicles manufactured before the date of introduction February 2006.

Tools and materials

993.555.545.00 Felt strip => Felt

Preliminary work

Remove cap on central electrical system power distributor. -> 979419 Removing and installing central electrical system power distributor - section on "Removing" Service and Repair

Reworking central electrical system power distributor

1. Remedial action 1
1.1. Cut five felt strips each approx. 50 mm long.





Sticking felt strips to the mounting plate

1.2. Stick felt strips -1- at the marked area on the sides of the mounting plate -2- at the left and right.
1.3. Stick felt strips -1- at the front over the bracket for the clips and the rear insert and into the bracket for the mounting plate.
2. Remedial action 2
2.1. Cut two felt strips each approx. 15 mm long.





Sticking felt strips on the caps

2.2. Cut a felt strip approx. 35 mm long.
2.3. Stick felt strip -1- into the contact area of the caps -2-.

Subsequent work

Install cap on central electrical system power distributor. -> 979419 Removing and installing central electrical system power distributor - section on "Installing" Service and Repair

Working times

97944900: Reworking central electrical system; Labor time 40 TU