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Jeep Wrangler YJ
YJ General Discussion
Brake pedal to the floor
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<blockquote data-quote="Chief Hof" data-source="post: 426956" data-attributes="member: 19113"><p>If you have a vacuum pump, hook it to the check valve mounted to the brake booster and apply 15-20 inches of vacuum...vacuum should hold steady but if vacuum loss is indicated the check valve needs replaced...before all of that, I’d check for fluid loss at the master cylinder and leaks at all four corners including plumbing...</p></blockquote><p></p>
[QUOTE="Chief Hof, post: 426956, member: 19113"] If you have a vacuum pump, hook it to the check valve mounted to the brake booster and apply 15-20 inches of vacuum...vacuum should hold steady but if vacuum loss is indicated the check valve needs replaced...before all of that, I’d check for fluid loss at the master cylinder and leaks at all four corners including plumbing... [/QUOTE]
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Jeep Wrangler YJ
YJ General Discussion
Brake pedal to the floor
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