Computer/Controls - Noises After Engine Is Switched Off

Computer/Controls - Noises After Engine Is Switched Off

Noises during engine run-on / EGR valve cleaning function

Topic number LI14.20-N-048802

Version 1

Design group 14.20 Exhaust gas recirculation

Date 02-01-2010

2010 Mercedes Benz Truck Sprinter 3500 Cab (906.153) V6-3.0L DSL Turbo (642.898) Page 105

Validity Model 906 with OM646 or OM642

Reason for change

Reason for block

Complaint:

Noises after engine is switched off.

Cause:

The noises during engine run-on are caused by the cleaning function of the EGR valve.

Remedy:

No remedy required because the cleaning function is the series production configuration. Sample noises which correspond to the series production

configuration are attached.

Replacing the EGR valve may only be carried out if a corresponding fault code is entered in the engine control unit.