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Old 07-27-2021, 02:04 AM
Schurkey Schurkey is offline
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Quote:
Originally Posted by CEB View Post
when the engine is running without brakes applied there is a slight hissing sound emanating from the master cylinder, which gets quite a bit louder when the brakes are applied.

Now my friend who did the installation thinks perhaps it's not the correct master cylinder for the car. Also, he pointed out that on the bottom of the the cylinder, near where it mounts to the power booster, there are two holes that face to the right and left of the car, respectively. And when you plug these holes with your fingers while the engine is running, the hissing stops. (Perhaps these holes indicate some application for another type of car, and therefore, evidence that this master cylinder is not the correct one for my car?)
I have never, ever heard of a master cylinder that's vented like that.

What vehicle would that be used on? For what purpose?

Is this a Delco; or a Bendix master cylinder? Something else? Does it LOOK like the one that came off, or does it look completely different?