Test Conditions After Opening Cooler Lines

ATF cooler lines were opened.

For example: when replacing the transmission, changing ATF, changing ATF lines, replacing ATF cooler, replacing ATF thermostat.

• Warm up transmission in lower load range. Switch all transmission ranges several times while doing so.
• Read out the ATF sump temperature using the PIWIS Tester.
• The ATF temperature must be 1  00°C (cooling system open).
• Let ATF cool down to approx. 35°C.
• Selector lever is in position P.
• Press the brake pedal and shift the gear lever slowly through P-R-N-D three times. Hold the selector lever in each position for 2 seconds.
• Test and filling procedure at idle speed with air conditioning switched off.