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Product Description

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Will this Power Brake Booster fit Ford Excursion ?
Yes, it fits Ford Excursion/F-250/F-350/F-450/F-550 Super Duty. Specific models can be viewed at five points.
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How can I test my hydraulic booster?
A hydraulic booster can be tested just like a vacuum booster. With the engine off, pump the brake pedal until you feel firm resistance, then hold. Start the engine. Proper operation should result in the brake pedal slightly sinking.
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Will I need to retain my master cylinder pushrod?
Yes, the master cylinder pushrod, spring and retainer will need to be retained and reused on the replacement hydraulic booster.
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Will I need to bleed my power steering system after installation?
Yes, since the power steering lines have been removed, the system has been subjected to air. The power steering system will need to be bled using the O.E. bleeding procedure.
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What type of fluid does a hydraulic booster require?
As part of the power steering system, hydraulic boosters require O.E. power steering fluid.

About Power Brake Booster
- A power brake booster, also known as a vacuum booster, is a device used in vehicles to enhance braking performance and reduce the effort required to apply the brakes. It works in conjunction with the brake pedal and the master cylinder.
- The power brake booster operates on the principle of vacuum assist. It utilizes vacuum pressure from the engine's intake manifold to multiply the force applied to the brake pedal. When the driver applies pressure to the brake pedal, a valve in the booster opens, allowing vacuum from the engine to enter the booster chamber. This creates a pressure differential that assists in applying the brakes.
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