Cutlass Supreme V8-307 5.0L VIN Y 4-bbl (1985)
Vacuum Brake Booster: Testing and Inspection
Delco-Moraine Tandem Diaphragm Type
Hard Pedal
1.
Internal Vacuum Leak.
2.
Faulty Control Valve.
Brakes Grab
1.
Faulty Control Valve.
Slow or No Release
1.
Faulty pushrod adjustment.
2.
Bind in linkage.
