1992 Master Cylinder ABS Prime Nipple Repair - CorvetteForum - Chevrolet Corvette Forum Discussion

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1992 Master Cylinder ABS Prime Nipple Repair

Old 03-21-2016, 05:10 PM
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Default 1992 Master Cylinder ABS Prime Nipple Repair

Finding a replacement for the '92 to '94 reservoir is near impossible, and none of the aftermarket sources provide the ABS piped reservoir, even with the pruchase of the entire master cylinder. I found one source, and they wanted $139, just for the reservoir......No thanks!

After not finding a repair thread for the '92-'94 master cylinder reservoir broken ABS prime nipple, I figured I'd share how I fixed mine.
I found an 1/8 to 5/16 pipe to hose adapter (Dorman 072020BP) at my favorite parts place. I measured the threaded end of the adapter, found the closest drill bit, and expanded the hole to match. I removed the drilling debris from the reservoir, and cleaned the bore with alcohol. Then I used used two-part epoxy on the adapter threads, as well as around the hex of the adapter, to fix it to the reservoir. The resulting fix is much stronger than the flimsy plastic pipe and works well.

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Old 03-21-2016, 10:50 PM
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Great job, thanks for sharing.
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r3rep (03-24-2016)
Old 06-13-2018, 01:52 PM
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I'm having a 92 corvette restored and have been looking for a replacement reservoir only (with no success) when I came across your post. Is yours still working? If so, I'll ask my mechanic to order that piece and try it.

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