Hi all! When I joined the site a month or so ago I was convinced that my truck was going to need a helluva lot of work. The crank pulley went AWOL on the freeway and the shifter has been nothing short of comical (as geezer101 put it “feels like stirring a pot of pasta” lol) since I bought it a few years ago. The shifter issue still seems like it’s going to require dropping the transmission to really solve - I’ve replaced the nylon shifter cup twice, but the part that the cup sits in is what’s ganked. There’s a chunk of metal missing (god only knows how that’s even possible - I’ll post pictures if I can later on) so the nylon cups keep breaking and I’m back to stirring pasta.
I was pretty sure that the crank pulley debacle had damaged the crank to the point of needing a rebuild, so I started tearing into it yesterday with engine removal in mind. But the more I took off the front of the engine, the better I could see the end of the crank and now I’m not so sure I’ll need to go much further. I got what are “supposed” to be the replacement harmonic balancer, bolt, and washer awhile back but had trouble getting them on and assumed it was some kind of shitty manufacturing or other fitment issue. Now that the radiator, fan, and grille are off and I can see everything, it turns out that the timing cover shifted and well, take a look:
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That little curly q of metal was stopping the pulley from going on to the key way! I thought that cutting that off and reinstalling it would solve my problem, but no luck. The pulley STILL won’t sit right on the crank and the bolt doesn’t seem to fit quite right. Now I really am wondering if I have the right replacement parts for my 6g72.
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Information has been weirdly hard to come by. I have no comparison for the bolt because it went missing before I ever got a look at it. There doesn’t appear to be anything sheared off in the end of the crank, so I’m kinda at a loss for why I’m stuck right now. I’m about to get out the digital caliper and start measuring things so I can be sure I’m not crazy or that the parts truly don’t fit.
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I apologize if this has already been covered - I did a fair amount of digging in the forums and elsewhere but I didn’t find a whole lot. I may also be bad at searching!
All this aside, she still fires right up and sounds like a top! If I can get these two issues fixed, I’ll be sitting pretty for awhile, fingers crossed.
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