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Jeep Wrangler JK
JK General Discussion
Jeep Overheating
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<blockquote data-quote="Anybodyhome" data-source="post: 438988" data-attributes="member: 19161"><p>If the temp gauge is all over the map while you're driving- goes up & down seemingly without reason- that's a sure sign there's air in the system. </p><p></p><p>Are you refilling coolant via the reservoir or the radiator directly? I would suggest filling the reservoir to its cool level before driving anywhere after it's sat for a while. Then open the radiator and fill it directly, little at a time so the coolant forces the air back out of the radiator- pour, let it settle, wait for the burp- repeat as necessary. But I think you said you've done that already. </p><p></p><p>By the way, did you replace the t-stat with a true OEM or a different one?</p></blockquote><p></p>
[QUOTE="Anybodyhome, post: 438988, member: 19161"] If the temp gauge is all over the map while you're driving- goes up & down seemingly without reason- that's a sure sign there's air in the system. Are you refilling coolant via the reservoir or the radiator directly? I would suggest filling the reservoir to its cool level before driving anywhere after it's sat for a while. Then open the radiator and fill it directly, little at a time so the coolant forces the air back out of the radiator- pour, let it settle, wait for the burp- repeat as necessary. But I think you said you've done that already. By the way, did you replace the t-stat with a true OEM or a different one? [/QUOTE]
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Jeep Wrangler JK
JK General Discussion
Jeep Overheating
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