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Jeep Wrangler YJ
YJ General Discussion
Fan Clutch And Cooling Issues
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<blockquote data-quote="Gilaguy23" data-source="post: 431498" data-attributes="member: 19498"><p>Check the cap closely. If anybody used some kind of stop leak crap its very possible there is remnants of it under the cap seals. If you look you'll see they work like a check valve of sorts. Gets hot,pushes the spring loaded center up and pushed coolant into the overflow. Cools down and contracts and that little brass center metal disc opens up and lets coolant back into the radiator to keep ant air displaced. Rusty,gunky crud screws gets under the rubber and that metal disc and stops it from doing its job. You certainly have been thru the ringer on the cooling system on yours, were keeping our fingers crossed its just a bad cap or loose clamp. I prefer the screw/worm drive type clamps myself. Some places are just to hard to squeeze the tabs together and get at it. The I can use 3' of extensions with a Universal if needed to tighten or loosen.</p></blockquote><p></p>
[QUOTE="Gilaguy23, post: 431498, member: 19498"] Check the cap closely. If anybody used some kind of stop leak crap its very possible there is remnants of it under the cap seals. If you look you'll see they work like a check valve of sorts. Gets hot,pushes the spring loaded center up and pushed coolant into the overflow. Cools down and contracts and that little brass center metal disc opens up and lets coolant back into the radiator to keep ant air displaced. Rusty,gunky crud screws gets under the rubber and that metal disc and stops it from doing its job. You certainly have been thru the ringer on the cooling system on yours, were keeping our fingers crossed its just a bad cap or loose clamp. I prefer the screw/worm drive type clamps myself. Some places are just to hard to squeeze the tabs together and get at it. The I can use 3' of extensions with a Universal if needed to tighten or loosen. [/QUOTE]
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Jeep Wrangler YJ
YJ General Discussion
Fan Clutch And Cooling Issues
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