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Jeep Wrangler YJ
YJ General Discussion
Overheating advice (is it common for block to be vapor locked?)
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<blockquote data-quote="machoheadgames" data-source="post: 425823" data-attributes="member: 18789"><p>Doesn’t affect it at all. There is no vacuum heater valve that stops or allows coolant flow to the heater core depending on the heater being on or off. It certainly won’t hurt anything to run the heater while burping the system, but there is no benefit whatsoever to doing so. Heater core has hot coolant circulating through it 100% of the time.</p></blockquote><p></p>
[QUOTE="machoheadgames, post: 425823, member: 18789"] Doesn’t affect it at all. There is no vacuum heater valve that stops or allows coolant flow to the heater core depending on the heater being on or off. It certainly won’t hurt anything to run the heater while burping the system, but there is no benefit whatsoever to doing so. Heater core has hot coolant circulating through it 100% of the time. [/QUOTE]
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Jeep Wrangler YJ
YJ General Discussion
Overheating advice (is it common for block to be vapor locked?)
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