Question about 2002 Volvo S80
The booster uses vacumn to assist your foot pressure. A leaky seal or diaphragm in the booster or a bad hose from the engine to the booster will cause the pedal to drop as it loses power assist. I think the brake light switch is mounted under the dash by the brake pedal. Fix the booster now, it may save your life.
Posted on Feb 06, 2010
Testimonial: "Thanks ... I plan to fix the booster this week. Any thoughts on a new one vs. a remanufactured one?"
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Posted on Jan 02, 2017
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