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Jeep Wrangler JK
JK General Discussion
Warped cylinder head or blown head gasket??
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<blockquote data-quote="Snowbird Tom" data-source="post: 460703" data-attributes="member: 24869"><p>I don’t assume anything. I test and check, then replace the actually malfunctioning parts. Pressurize the coolant system to 15 psi and see if it holds pressure for 30 minutes. If you have a heater core leak, it’ll show up. Internal leaks are the worst because that involves more testing by leakdown and borescoping cylinders for damage.</p></blockquote><p></p>
[QUOTE="Snowbird Tom, post: 460703, member: 24869"] I don’t assume anything. I test and check, then replace the actually malfunctioning parts. Pressurize the coolant system to 15 psi and see if it holds pressure for 30 minutes. If you have a heater core leak, it’ll show up. Internal leaks are the worst because that involves more testing by leakdown and borescoping cylinders for damage. [/QUOTE]
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Jeep Wrangler JK
JK General Discussion
Warped cylinder head or blown head gasket??
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