Steering Gear: Specifications

Tightening Specifications
Steering Gear To Crossmember M8 (*) 45 Nm (33 ft lb)
Universal Joint To Steering Gear M8 (**) 23 Nm (17 ft lb)
Tie Rod To Steering Rack M14 70 Nm (52 ft lb)

Footnotes
(*) Replace screws after every removal job.
- Use only genuine spare parts (microencapsulated screws).
- Since 1995, grade 12.9 screws have been used (previously grade 10.9 screws).
- For replacement, only grade 12.9 screws must be installed on all 993 vehicles.
- The threads of the screws and the washers must be clean and grease free.
- Remove microencapsulation residuals from the threaded bores required to fix the steering gear (use suitable solvent for cleaning, then blow out bores with compressed air).
- Before tightening, screw down the screws evenly until the fastening clamps almost touch the cross member.
- During final tightening, start with the screws for the short leg (of the cross member) and pull them tight, so these surfaces will be the first to fit tightly.
(**) Replace fit bolt whenever it has been undone.