Warranty - Tiptronic Transmission Repair Limitations
90porsche03 April 6, 1990Subject: Warranty Repairs to the Tiptronic System
Model Group
911 Carrera 2 N/A
Part Identifier Number
38 - - 9008
ATTENTION: Service Manager/Warranty Administrator
Any repairs necessary to the Tiptronic system transmission will be limited to the following areas:
Repair Level 1, repairs to the installed transmission
- Replace ATF pan
- Replace seal of ATF pan
- Replace ATF filter on electric/hydraulic control unit
- Replace solenoid valves MV1, MV2, MV3
- Replace pressure regulator for modulation pressure
- Replace Tiptronic control unit (under the left seat)
- Remedy any leaks at the filler and drain plugs
- Check switch on selector lever and replace if necessary
- Check selector cable and replace if necessary
- Check ATF lines to the cooler in the vehicle nose and replace if necessary
- Check ATF cooler for leaks and replace if necessary
Repair Level 2, repair to removed transmission
- Replace torque converter
- Replace gasket between final drive case part and transmission case
- Replace shaft seal and O-ring on the ATF pump
- Completely replace ATF pump
- Replace mechanical shift parts on transmission
- Replace rotor for speed sensor with parking gear
- Replace drive flange seals
- Replace CV joint flanges
- Replace lateral shaft (drive pinion) seals
Any internal transmission repairs required beyond these levels will necessitate complete transmission replacement.