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I finished installing the cups, I used oem cups and Motorcraft sealant(spec WSK-M2G348-M5) the diesel tech at the Ford dealer said they use this sealant and after they install the new cups they slowly crank the motor several times to blow out the fuel, oil and debris then install the...

Thanks for the info and responses, I'm going to change all the cups in the morning, let it set up over night, then pressure test it, I'll let you all know how it turns out. Thanks again for the help.

I couldn't find specific sleeve retainer sealant where I live so I asked the local diesel shop to sell some to me,but he said he uses red Loctite thread lock and that I should use it also, I just finished pressurizing the coolant system again, I found no cups leaking on the top edge/flange but I...

1997 7.3, I noticed fuel in my coolant so I changed injector cups and everything seemed to go smooth, when I finished I turned the engine over 3 rotations by hand to remove oil, fuel etc from cylinders, it started in about five minutes and ran great but I noticed coolant rising and falling in...