pontiac Workshop Repair Guides

Pontiac Workshop Service and Repair Manuals

Checking Complaints|Page 4430 > < Checking Complaints
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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.

Checking Complaints|Page 4430 > < Checking Complaints