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Idahome
Joined: Wed May 2nd, 2018
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Use a 12V battery and carb cleaner, not brake cleaner
You can make a simple adapter from a old tire valve stem and the red straw from the carb cleaner
https://www.youtube.com/watch?v=rUUgR94drxg
I would replace the rear main seal yes, use felpro
The 5.0 Explorer engine ALWAYS develops small leaks at the RMS, even your new seal will likely leak a little. Some wetness I have just learned to live with. No "drips" allowed
Enjoy!
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I build custom RBV, specializing in drivetrain conversions, wiring, suspension and complete custom trucks