Michael_830
Freshman Member
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While replacing brake lines, ran into learning about the Pdwa, pressure differential warning actuator. A past mechanic had ground two of the lines into it, so may need to replace it. Before I learned about varieties of early vs later pdwas, I bought one on Ebay, but does not appear to be the same as shown in archives and articles. The 2 openings on each side are different sizes, one hole much larger than the other. Is this not going to work for me? And I read some were metric threads and others imperial? Any thoughts are welcome. Thanks.