Roadmaster Estate Wagon V8-350 5.7L (1993)
Hydraulic Assembly: Service and Repair
1.
Disconnect battery ground cable.
2.
Disconnect and remove air intake duct and resonator, then position upper coolant hose aside.
3.
Disconnect canister purge line at canister and position aside.
4.
Remove modulator valve cover attaching screw and cover.
5.
Disconnect modulator valve electrical connector and ground wire.
6.
Disconnect all hydraulic lines to modulator valve, then plug pipes to prevent loss of fluid and fluid contamination. Note location of pipes for
installation reference.
7.
Remove three modulator valve to bracket attaching nuts, then the modulator valve from vehicle.
8.
Reverse procedure to install, perform ABS system check as described in DIAGNOSIS AND TESTING PROCEDURES.
Ensure brake hydraulic pipes are installed correctly. Pipes that are crossed during installation could cause wheel lockup.