Changing the T-stat on my `88 F-250 and while cleaning the gasket surface on the water neck, I noticed what looked like a single ball bearing in the small hole in the neck (bypass hole?). I cleared out the gasket junk around the hole, but in the process, the ball took a flying leap into the abyss, never to be found again. So what exactly was it? And is it necessary? I checked with Ford and they have no listing of any type of "check ball" or other item that it could possibly be, and their picture is a "generic" one that is not specific to the 7.3L and does not show it. Anyone know for sure? I don't want to put this thing back together missing parts. Thanks
It vents the air out of the block. Then when the coolant hits it, it seats. You could make it without it (I Guess) but I doubt it will warm up. Somebody correct me if I'm wrong.
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00 Excursion 6.8 4X4 4.30 LS
97 F-350 SRW R/C 4X4 7.3 Auto. 4.10 LS
91 F-250 R/C D-60 conv. 4X4 7.3IDI Manual 4.10 LS
87 Chevrolet 1/2 ton 4X4 5.7TBI Auto. Stepside
71 Land Rover Series IIA 2.25 Manual
Look on my gallery, try and size up the ball bearing and a piece of teflon tube ?? to press in the hole........
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93 F250 7.3 IDI S/C XLT 4X4 E40D 3.55LS, Captains chairs, Tutone Mocha, Leer 48" Hiboy cap, FR & RR hitches, full DeeZee running boards. Factory ordered/delivered Jan 93 has 160K+, it's basically a stock truck with all the Ford options, just no disc player.
Toys: 26'Jayco FK TT, 18'Sylvan Pro Fish.
Been there done that, cost me a new housing from FORD. The part is not available seperately. Without it the truck was always cold.
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1990 F-350 Dually 4X4 CC Rebuilt Turbo and NEW 7.3L DAS engine, rebuilt rear diff, Reman E4OD Stage 1 injectors Stage 1 pump Baumann recal kit and TDC for E4OD dead trans again...
2004 F-350 4X4 CC 6.0 PSD
2004 Wilderness 320dbhs TT
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