buick Workshop Repair Guides

Buick Workshop Service and Repair Manuals

Relays and Modules - Brakes and Traction Control > < Vacuum Brake Booster|Locations|Page 13022
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Vacuum Brake Booster Check Valve: Service and Repair

Vacuum Brake Booster Check Valve and/or Hose Replacement

Removal Procedure

1. Remove the fuel injector sight shield, 3.8L engine only.

2. Disconnect the vacuum hose from the intake manifold.
3. Disconnect the vacuum hose (2) from the vacuum brake booster check valve (1).
4. Remove the vacuum brake booster check valve (1) from the vacuum brake booster.

Installation Procedure

1. Install the vacuum brake booster check valve (1) onto the vacuum brake booster.
2. Connect the vacuum hose (2) to the vacuum brake booster (1).
3. Connect the vacuum hose to the intake manifold.
4. Install the fuel injector sight shield, 3.8L engine only.

Relays and Modules - Brakes and Traction Control > < Vacuum Brake Booster|Locations|Page 13022