940 L4-2.3L SOHC VIN 88 B230F (1992)
Brake Proportioning/Combination Valve: Service and Repair
The Regulating Valve Must Be Replaced As An Assembly.
1. Disconnect brake pipe from valve, replace unions if necessary.
2. Remove valve from bracket, then disconnect brake hose from valve.
3. Install new valve and bleed system.
4. Ensure there are no leaks.
