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Radiator fan, engine compartment blowers
Radiator fans, engine compartment blowers
The engine-compartment blowers are mounted in the engine compartment.
After the engine is switched off, the engine compartment temperature is monitored for approx. 30 minutes.
During this period, and depending on temperature, the engine-compartment blowers may continue to run or start to run.
The radiators and radiator fans are in the front of the vehicle.
The radiator fans in the front of the vehicle may be operating or unexpectedly start operating when the engine is switched on.
Measurements on test stands
Performance tests on roller-type test stands are not approved by Porsche.
Brake tests must be performed only on roller-type test stands.
The following limit values must not be exceeded on roller-type test stands:
Testing the electric parking brake
Electric parking brake tests on the brake test stand must only be performed with the ignition switched on and with the manual gearshift lever in neutral or the Porsche Doppelkupplung selector lever in position N.
The vehicle switches automatically to brake test stand mode, in which the electric parking brake can be tested.
The message "Electric parking brake in service mode" appears on the multi-function display in the instrument panel.
Balancing wheels on the vehicle
During finish balancing of the wheels, the entire vehicle must be lifted and the wheels must be free to turn.