D2Denny Posted April 20, 2023 Share Posted April 20, 2023 Anyone know of a parts supplier that might still have on oil PSI regulator spring? Called Watts and no luck. Was able to get a part # 572GC110. Have the Mack specs on this spring, so if I can't find a new one I'll check it and shim to the correct height and poundage. Quote Link to comment Share on other sites More sharing options...
Joey Mack Posted April 20, 2023 Share Posted April 20, 2023 I'm curious... Is yours broken? Or did you pressure test the spring, and it failed? Quote Link to comment Share on other sites More sharing options...
Joey Mack Posted April 20, 2023 Share Posted April 20, 2023 I dont know the reason for replacing the spring(s).. , so I thought I would post some specs from my E-6,, 2 valve book.. It shows the compressed spring pressure and measurements.. I used this a couple years ago, when I was inspecting an oil pump for re-use.. Jojo Sorry about the crooked picture.. Quote Link to comment Share on other sites More sharing options...
D2Denny Posted April 21, 2023 Author Share Posted April 21, 2023 Low PSI when warmed up. My Mack manual says 29.5 lb at 3 7/8 inches. Had pan down all looked good. No sign of brg material in pan sump or in filter. Regulator spring is next easiest avenue to pursue. 1 Quote Link to comment Share on other sites More sharing options...
mowerman Posted April 21, 2023 Share Posted April 21, 2023 that will definitely do it...good luck bob Quote Link to comment Share on other sites More sharing options...
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