928 S4 V8-4957cc 5.0L (1987)
Timing Belt Tensioner: Service and Repair
Bleeding Tensioner
BLEEDING TENSIONING ROLLER HOUSING (TOOTHED BELT TENSIONER)
1. Tighten toothed belt as specified.
2. Remove oil filler plug (1) and bleeder screw (2).
3. Pour oil from oil can into oil filler opening, slowly, until oil runs out of bleeder screw bore.
4. Screw in and tighten oil filler plug and bleeder screw.