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Re: [GMCnet] Reviving the Cad 500 [message #163461 is a reply to message #163441] Sun, 18 March 2012 22:18 Go to previous messageGo to previous message
Marsh Wilkes is currently offline  Marsh Wilkes   United States
Messages: 155
Registered: January 2004
Karma:
Senior Member
Hi Ken,

Sure sorry to hear it!

Marsh Wilkes
Perry Florida


----- Original Message -----
From: "Ken Henderson" <hend4800@bellsouth.net>
To: <gmclist@temp.gmcnet.org>
Sent: Sunday, March 18, 2012 9:31 PM
Subject: Re: [GMCnet] Reviving the Cad 500


> Today was not a good day. I don't even want to think about it, much
> less write about it. But in the interest of completeness, I'll try
> to write it up rationally -- then retire to pout.
>
> We cranked-'er-up this morning and scooted the <90 miles up to Griffin
> to old man Jerry Holloway's birthday party (he's REALLY old -- 5 days
> older'n me!). The coach ran great. SHE kept commenting on how much
> quieter it ran (mostly because of the exhaust repairs I did). Smooth
> as silk except for slightly rough idle, which I haven't yet attempted
> to correct.
>
> The party was great; finally got to meet Jerry & Audrey's great family
> and some other friends. Had a wonderful buffet lunch at the
> Barnstormer Grille, at a small airport where the party was held.
>
> The afternoon trip home was uneventful. Even with the full stomach, I
> managed to stay awake all the way.
>
> I put HER off at the auto driveway and took the GMC to the other drive
> which leads to its home. As soon as I'd swapped the party clothes for
> work clothes, I drained the oil and pulled the filter I installed
> after the first 75 miles or so. This now had about 250 miles on it.
> I expected this to be the final change before we leave for Shawnee on
> Tuesday.
>
> The oil was darker than I expected after so few miles -- quite black.
>
> Then I cut the filter open. Wow! The entire inside of the can
> adjacent to the two FilterMags I had attached was covered in black
> fuzz! I should have stopped right there and made photos, but I didn't
> -- I just had to stick my fingers in there and feel that stuff. Very
> smooth and VERY black. And lots of it -- more like after 5000+++
> miles.
>
> Then I looked at the thin film of oil dumped into the tray where I was
> working on the filter. If I'd been panning for gold, I'd have been
> excited. Instead, I was depressed -- lots of tiny shiny specks. :-(
> Woe is me!
>
> Baffled, desperate, sad, disgruntled, upset,..., all that stuff, I
> started trying to figure what to do. Wound up pulling the starter,
> flywheel lower cover, and inspection hole cover. Then disconnected
> the torque converter from the new flex plate. Sure 'nuff, the TC
> slides fore and aft easily about 1/8" -- just like it should, and did
> when installed last Sunday -- it didn't push on the crankshaft. But
> something did: With a pry bar I made sure the crank end play (0.008"
> when assembled) was all taken up toward the rear to verify the TC free
> travel. Then I pried from the rear to the front -- Kerplunk! With a
> dial indicator on the flex plate, I found that the crankshaft now has
> 0.062" end play! :-(( That's almost half of the 0.125" I accumulated
> in the 11,000 miles before the oil analysis identified the problem
> before. And this time it took only about 300 miles!!!
>
> I have no idea WHY. Nor WHAT to do. And I don't want to talk about
> it or even think about it for a while. Y'All figure it out; I'm gonna
> go pout. Too bad I'm not a drinking man -- I could really do it up
> right tonight; me & Ken Murphy could really hang one on!
>
> Oh yeah -- We will NOT be at Shawnee. :-(
>
> Ken H.
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