There are tears (destroyed), on my new Wilwood master clutch cylinder piston seal...second Wilwood master clutch cylinder did the same. What can be done? This is on a Cobra replica.

  • Welcome to Motor Vehicle Maintenance & Repair! What are you doing with it when the seal tears? Did you bench bleed your master cylinder before putting it into the car? – Pᴀᴜʟsᴛᴇʀ2 Jun 26 at 22:04
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    Are you exceeding the normal working stroke? If so, the seal may engage with an opening and then get shredded. – Solar Mike Jun 26 at 22:22
  • Have you carefully examined the bore of the master cylinder for defects? – DavidSupportsMonica Jun 26 at 23:12

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