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Kudzupatch · 05-10-2018, 10:58 AM

Yes is just a center hole, I worked in engineering in a factory that made brake parts.

If it is REALLY leaking out that you need to replace that master NOW! Do not wait. If fluid is leaking out it coming straight out of the bore of the cylinder. Casting is probably cracked.

05-10-2018, 10:58 AM	#5
Kudzupatch Registered User Join Date: Apr 2013 Location: GUNTERSVILLE Posts: 621	Re: What's this hole in master cylinder? Yes is just a center hole, I worked in engineering in a factory that made brake parts. If it is REALLY leaking out that you need to replace that master NOW! Do not wait. If fluid is leaking out it coming straight out of the bore of the cylinder. Casting is probably cracked.