Question about 2004 Ford F350
I have to replace my thermostat and not sure how
Drain the coolant out and remove the thermostat housing from the top of the engine - where the top radiator hose meets the domed cover on the top of the engine. Note how the thermostat is situated and replace the new one facing the same way. You will need to remove all of the old gasket material using a plastic scraper so you don't scar the metal and create a leak. Make sure the gasket pieces don't fall into the engine opening. (stuff an old rag in the hole). The parts store will tell you how to put the new gasket in and whether you should use RTV sealant or not. If you need RTV, use just a little. Put the gasket and thermostat in, put the housing over them and tighten the bolts by cinching one then the other until they begin to get tight. You are working with pot metal and aluminum so don't get too aggressive in making them tight. Replace the top hose if you disconnected it, refill with 50/50 coolant and antifreeze and run the engine to normal operating temp and look for leaks. If you find one, let the engine cool and try tightening the bolts a bit more. Make sure that the hose clamp is good and tight too.
Posted on Mar 12, 2009
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Posted on Jan 02, 2017
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