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GEN 1 (2010-2014) Ford SVT Raptor Forums
Ford Raptor Engine Discussion and Performance Mods
Coolant leak past Radiator Cap
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<blockquote data-quote="MTF" data-source="post: 1698612" data-attributes="member: 499"><p>Are you sure you are using the right thermostat?</p><p>Are you sure you didn't over tighten the new one, was it a OEM housing?</p><p>If the thermostat is too thin around the edge or the diameter is a hair too small it won't fill it up properly.</p><p></p><p>When I change my thermostats, it is really <strong>"REALLY"</strong> hard to get back in and down, lots of antifreeze around it to lube it up.</p><p>I have to use a rounded out small chisel to get it started and work my way around the thermostat, that's how difficult it is.</p><p>And I bought aftermarket Hi- Performance Hi-Flow, full 1 inch opening on Amazon, they are the MotoRad brand.</p><p></p><p>[ATTACH=full]327825[/ATTACH]</p><p></p><p>I would use a thin washer under the bolt heads it could be you are bottoming out before it's tight.</p><p>Have you chased the bolts down without the housing?</p><p>Just guessing here.</p><p></p><p>Maybe try using a sealant, can't hurt.</p><p> <a href="https://www.amazon.com/dp/B000HBGI8K/?tag=fordraptorforum-20" target="_blank">https://www.amazon.com/dp/B000HBGI8K/?tag=fordraptorforum-20</a></p><p>Just make sure that everything is oil free and dry before applying.</p></blockquote><p></p>
[QUOTE="MTF, post: 1698612, member: 499"] Are you sure you are using the right thermostat? Are you sure you didn't over tighten the new one, was it a OEM housing? If the thermostat is too thin around the edge or the diameter is a hair too small it won't fill it up properly. When I change my thermostats, it is really [B]"REALLY"[/B] hard to get back in and down, lots of antifreeze around it to lube it up. I have to use a rounded out small chisel to get it started and work my way around the thermostat, that's how difficult it is. And I bought aftermarket Hi- Performance Hi-Flow, full 1 inch opening on Amazon, they are the MotoRad brand. [ATTACH type="full" alt="Thermostats.jpg"]327825[/ATTACH] I would use a thin washer under the bolt heads it could be you are bottoming out before it's tight. Have you chased the bolts down without the housing? Just guessing here. Maybe try using a sealant, can't hurt. [URL]https://www.amazon.com/dp/B000HBGI8K/?tag=fordraptorforum-20[/URL] Just make sure that everything is oil free and dry before applying. [/QUOTE]
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GEN 1 (2010-2014) Ford SVT Raptor Forums
Ford Raptor Engine Discussion and Performance Mods
Coolant leak past Radiator Cap
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