'76 Shadow Brake Pump Connection leak - Rolls-Royce and Bentley Forums
 
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post #1 of 6 (permalink) Old 11-11-2019, 07:14 PM Thread Starter
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'76 Shadow Brake Pump Connection leak

Gentlemen,

I have an expensive (Given the price of RR 363) leak at the line that connects to my passenger-side brake pump, immediately adjacent to the bleeder valve. Upon further review, I believe this is a "high pressure" line and not a feeder line from the reservoir.

That said, I tried to give it a bit more tightening which only made the leak worse. I called Albers and was told that this line needed an O'ring to seal. When I removed the line using a 7/16 crow's foot wrench, I cannot find an o-ring anywhere in the threaded cavity -- it looks like a standard pressurized line. he line emanating from this connection is a hard line- - it is not rubber. Any ideas on sealing this up?

I may not have adequately described the location of the leak -- perhaps leading the gentlemen at Albers to the conclusion that it could be rectified with an O'ring.

Any suggestions would be most appreciated.

Brian in San Diego.
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post #2 of 6 (permalink) Old 11-11-2019, 08:57 PM
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No O ring on that line, it is a bubble flare. It is the high pressure out to the distribution valve. If deformed you will have to get a new one made.

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post #3 of 6 (permalink) Old 11-11-2019, 09:28 PM
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Overtightening will deform it. The flair fittings are snug, no overtightening.

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post #4 of 6 (permalink) Old 11-11-2019, 11:06 PM
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That is not a brake pump. That is an Accumulator Control Valve.
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post #5 of 6 (permalink) Old 11-12-2019, 08:29 PM
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If you carefully look at lower end of the fitting. If its flared out (bell shaped) it been over tighten.
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post #6 of 6 (permalink) Old 11-12-2019, 10:06 PM
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When referring to location on the car, use L or Right. This way it applies to either LH drive or RH drive, always referenced from the driver's seat.

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