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Electrical - Cooling Fan Won't Turn OFF /Battery Dead

97 08 24

2016733/2

November 21, 2008.

Supersedes Technical Service Bulletin Group 97 number 07-18 dated December 21, 2007 for reasons listed below.





Affected Vehicles

19 Cooling fan inoperable

Condition





- Battery discharged because the cooling fan is constantly running (emergency operation).

- The ground wire is abraded.

Technical Background





The pulley damages the wiring loom for the cooling fan control unit, causing a short circuit. Fuses installed in automotive wiring harnesses to prevent thermal events and damages to the vehicle prevent the danger of a fire in case the wire is abraded.

Production Solution

Wiring loom optimized.

Service

1. Repair the wiring loom with the repair case VAS 1978.





2. Change the routing of the wiring loom with a clip as shown in Figure 2.

Warranty





When procedure applies to vehicles under warranty, use the table.

Additional Information

All parts and service references provided in this TSB are subject to change and/or removal. Always check with your Parts Department and service manuals for the latest information.