Replacing Coolant Regulator (Workshop Campaign) A coolant regulator that does not meet the high Porsche...
Porsche technical service bulletin WF89 for 2011 Porsche Cayenne S Hybrid.
- Bulletin number
- WF89
- Component
- Equipment
- Summary
- Replacing Coolant Regulator (Workshop Campaign) A coolant regulator that does not meet the high Porsche quality standards may have been installed in the affected vehicles. The function of the coolant regulator can therefore be impaired over the service life of the vehicle and as a result, the red warning "Coolant temperature too high" can be displayed in the instrument cluster.
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