Question about Comet GXD2527G Pressure Washer Pump
Derek, Hi and welcome to FixYa. I am Kelly.
I just now happened across your post and note it is 3 months old. Hopefully you already have the problem solved.
If not.. looking at the pump history of having the un-loader valve replaced it sure seems that the current un-loader valve is sticking. When an un-loader valve is removed the internal housing is sanded smooth and everything about the un-loader valve is coated with Lubriplate #105 White Grease. I get the feeling that who ever did the un-loader valve repair failed to sand / clean the housing and use White Grease for the final assembly.
You should remove the valve... Sand the housing and get some Lubriplate #105 white grease (auto parts store) in a tube. Lubricate it liberally and reassemble it. If should work fine after that.
Thanks for choosing FixYa,
Posted on Dec 07, 2010
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Posted on Jan 02, 2017
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