Legend Coupe V6-3206cc 3.2L SOHC FI (1991)
Vacuum Brake Booster: Testing and Inspection
Check Valve Test
1.
Disconnect brake booster vacuum hose at booster.
2.
Start engine and allow to idle.
3.
Vacuum should be indicated, if not, check valve is faulty.
4.
Replace check valve and retest.