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2003 chevy trailblazer_ls
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Discussion Starter #1
I just finished a complete engine overhaul on my '03 TB 4.2L. It took entirely too long (8 months) and over the course I had several people help me. I have the engine back in and everything it great, except for an "extra" vent line not on the vehicle!

This one is about 3' in length. I've looked where I know to, and cannot find a missing vent line, but obviously there is one...

Anyone have a diagram or list of the vent lines on the vehicle? I didn't touch the vehicle from the transmission back, so it has to be from the tranny, drivetrain, or an extra...

Thanks!
 
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