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To install vacuum hoses on a 1981 Ford van, first refer to the vehicle's service manual for a specific diagram showing the correct routing. Generally, the hoses connect the intake manifold to various components like the brake booster, HVAC controls, and emissions systems. Ensure all connections are secure and free of cracks or leaks. It's also advisable to replace any old or damaged hoses during the installation process.

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2w ago

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