Author Topic: SM 465 top cover won’t come free  (Read 1035 times)

Offline Bullwinkle

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SM 465 top cover won’t come free
« on: March 24, 2023, 04:40:41 PM »
I got a SM465 from a wrecker for cheap so I could rebuild it but the top cover is only coming up about half an inch.  I tried prying it off with pry bars, and could try bigger bars but don’t want to break anything. I’ve never seen the inside of a SM465 before, any suggestion welcomed, thanks. 

Offline JohnnyPopper

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Re: SM 465 top cover won’t come free
« Reply #1 on: March 26, 2023, 05:47:45 PM »
Sorry man, I got nothin...never been in one.

Can you see anything in the 1/2 inch gap?

Maybe ask Rocky?  8)

BTW welcome from SoCal San Diego!
1957 Apache 3100 235 Inline 6, 3 on the tree
1973 C-20, 3+3 454 4BBL TH400  Water Injection
1978 K-10, 350 4BBL TH350 NP203 M.M. Part time Kit/Hubs
1980 C-10 under construction

Offline VileZambonie

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Re: SM 465 top cover won’t come free
« Reply #2 on: March 26, 2023, 06:48:48 PM »
Did you remove the shifter? Put it in reverse and gently move it half way forward, the wiggle the top plate.
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74 GMC, 75 K5, 84 GMC, 85 K20, 86 k20, 79 K10

Offline Bullwinkle

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Re: SM 465 top cover won’t come free
« Reply #3 on: March 27, 2023, 08:09:05 AM »
Thanks, Ive been meaning to respond, for the welcome and the tip both.

I forgot to mention in my question that the stick was not in it when I got it and I would have tried Neutral first.
So I'm going to take the one out of my running 79 today and try that.  It's in 4th now.  I'm sure when I get it in neutral it will work, there were no metal pieces in the oil when I got it.  Will post what I find out.
Thanks again

Offline MIKE S

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Re: SM 465 top cover won’t come free
« Reply #4 on: March 27, 2023, 03:17:20 PM »
Half way in reverse is correct.

Offline Bullwinkle

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Re: SM 465 top cover won’t come free
« Reply #5 on: April 05, 2023, 01:06:28 PM »
Thanks, I'll try that when I get that stick.  It looks like I'll have to borrow one off my 79 and I've been too busy to do it lately