buick Workshop Repair Guides

Buick Workshop Service and Repair Manuals

Checking Complaints|Page 2875 > < Checking Complaints|Page 2873
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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 2875 > < Checking Complaints|Page 2873