V8 Quattro V8-3562cc 3.6L DOHC (PT) (1990)
Brake Proportioning/Combination Valve: Adjustments
1. Raise and support vehicle, ensuring that there is no load on rear suspension.
2. Push lever of regulator down as far as possible, then loosen nut.
3. Insert .433 inch drill bit between spring and roller, then torque nut to 18 ft. lbs.
4. Remove drill bit.
5. Check brake system pressures as outlined under Testing and Inspection