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Jeep Wrangler YJ
YJ General Discussion
Trying to diagnose an exhaust manifold leak on 89 YJ 4.2
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<blockquote data-quote="Flyer58" data-source="post: 427195" data-attributes="member: 18629"><p>My guess is those fumes you see is just oil steaming off the hot cast iron exhaust header. Get some spray degreaser and clean off all that dirt and oil before changing the cover gasket. When it's dry and clean you'll see black carbon building up if the exhaust is actually leaking.</p></blockquote><p></p>
[QUOTE="Flyer58, post: 427195, member: 18629"] My guess is those fumes you see is just oil steaming off the hot cast iron exhaust header. Get some spray degreaser and clean off all that dirt and oil before changing the cover gasket. When it's dry and clean you'll see black carbon building up if the exhaust is actually leaking. [/QUOTE]
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Jeep Wrangler YJ
YJ General Discussion
Trying to diagnose an exhaust manifold leak on 89 YJ 4.2
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