Question about 1989 Chevrolet C/K 2500
Yes, penetrating fluid can help, but it's very common for the threads to be seized on the 1988 model year of any car for that matter.
You might try to disconnect it and use an oxy acetylene torch on it. And use an impact wrench if it fits up there.
If you screw up the threads, they can be retapped.
If it shears, then you have a problem, that requires a cutting torch to take it out or replace the pipe or manifold.
Good luck to you in this repair.
Posted on Jul 12, 2010
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Posted on Jan 02, 2017
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