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Discussion Starter · #1 ·
Any ideas how to remove the pipe fittings for the heater hoses etc from a 38 year old cast iron manifold?

While it is off I want to replace them. Been soaking them with wd40 but no luck yet
 

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Try to tighten them just a little bit to break them loose. Fire wrench comes next if the first suggestion doesn't work.
 

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After struggling I used alittle heat.....came right off.
 

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I drove a bolt into the by pass fitting to let me use a pipe wrench and it not collapse.
 
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