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Forte500
Join Date: Jun 2010
Location: Greenwich
Posts: 162
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Thermostat Plug
Folks,
Just replaced the lower plug & crush washer (shown in pic) due to slow leak.....still leaking.... How tight do these alum plugs need to be to seal? What tool do you use? ps. I made tool out of thick angle iron, but it bent as I tightened it...didn't think it needed more torque, until it started leaking again. I ruined the org. plug with pipe wrench removing it. 
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11-22-2015, 01:39 PM
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Banned
Join Date: Nov 2007
Location: Rockwall, Texas
Posts: 8,559
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I think that a suitably sized washer (big and thick - unlike Paul) held with vice grips would work well for tightening those. As far as "how tight" . . . there is an aluminum seal washer under them, correct? If so, they need to be fairly snug, but not Popeye-arm tight. If you can't get them to seal dry, putting a little Permatex aviation gasket sealer on the washers works very well. I use this stuff all the time for similar seal rings and so forth. You can get it at most any auto parts store, and probably for a lot less than the price in the Amazon link. BTW - the fluid stays usable in the bottle for many years (think indefinite shelf life).
Amazon.com : Permatex 80019 Aviation Form-A-Gasket No. 3 Sealant, 4 oz. Size: 4 Ounce Model: 80019 Car/Vehicle Accessories/Parts : Car Electronics |
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11-22-2015, 10:36 PM
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