Test Conditions After Opening Cooler Lines
WARNING: This page is about a different car, the 2010 Porsche Cayenne, 2009 Porsche Cayenne, and 2008 Porsche Cayenne. However, it is still accessible from the selected car via links, so may be relevant.
ATF cooler line was opened between thermostat and ATF cooler.
For example: replacing ATF, changing ATF line, changing ATF cooler, changing ATF thermostat.
- Warm up transmission in lower load range. Switch all transmission ranges several times while doing so.
- Read out ATF sump temperature using the PIWIS Tester.
- The ATF temperature must be 90 °C (coolant circuit open).
- Let ATF cool down to 40 °C.
- Selector lever is in position P.
- Test and filling process at idle speed.