These go bad and "often". Have a look under your leaky flyer. It could be your transmission shafts. This is a relatively easy fix but, you will have to remove the inboard CV to get at the single 17mm holding the drive flange in place. Plan accordingly with new gaskets and Schnorr washers as well. "Never" install a CV gasket without getting new Schnorr washers.
New transmission output shaft seal. Measures 45 X 68 X 10 mm.
- 1975-1986 911 model years, 2 required per car.
- 1987-88 911 Turbo model years, 2 required per car.
- 1976 912E model year, 2 required per car.
- 1979 924 model year, 2 required per car.
- 1980 924 Turbo model year, 2 required per car.
- 1978-79 930 model year, 2 required per car.
- All 914 model years, 2 required per car.
999.113.183.40, 999 113 183 40, 999-113-183-40, 99911318340