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| Re: [GMCnet] Fun with freeze plugs [message #278127 is a reply to message #278125] |
Thu, 21 May 2015 08:25   |
Jeff Marten
Messages: 199
Registered: August 2013
Karma: 1
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Senior Member |
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Not a fun failure to fix. Been there, done that with the engine in the jetboat prior to rebuilding it. Had one right behind the motor mount blow out due to corrosion because the PO didn't install brass core plugs. He ran it a few times in salt water, and I'm guessing he didn't flush the cooling system afterwards. No easy way to get to it and no straight shot to install; had the replacement(s) blow out twice after that. Decided against a 4th 2-3hr replacement and just used a rubber expandable core plug. Worked fine until the rebuild; she now has brass core plugs and hopefully never a failure again.
> Date: Thu, 21 May 2015 07:11:03 -0600
> To: gmclist@temp.gmcnet.org
> From: lengelbrecht@sandi.net
> Subject: [GMCnet] Fun with freeze plugs
>
> Disclaimer: Not my car.
>
> Pics to bring back warm fuzzy memories to those of you who have battled this before:
> http://s30.photobucket.com/user/LarryInSanDiego/media/Freeze%20plug%202.jpg.html
> Socket and hammer for re-installation is what I use IF I'm not off-angle. I had to use a hex-shanked chisel in a 13mm deep impact socket mounted on
> the end of a 12" impact extension. The only thing missing was the sound of banjos.
>
> LF and RF: ~45* angle at best due to proximity of crossmember.
>
> LR and RR: similar angles with added bonus on the LR - after starter was removed, turned out dipstick tube is dead centered over LR freeze plug. Had
> to remove that which snakes between head and exhaust manifold. It's a sort of press fit into the block (arrow pointing to boss in block - tube is just
> hanging out of the way for the moment). Getting that out without destroying it was fun. The approach angle in the pic is nowhere near as severe as the
> middles. Now you can appreciate what I'm working with here.
> http://s30.photobucket.com/user/LarryInSanDiego/media/Freeze%20plug%203.jpg.html
> Middle on both sides required motor mount removal one at a time while lifting the other side with a threaded tripod (car's on a side post hoist - I
> doubt I could have done this on a drive on hoist).
>
> I finally punched, chiseled, and muscled out what's left of them. I'd prefer not to use those rubber expandable freeze plugs, but I might have to
> except for the LR as there is not enough room for the dipstick tube to go back in.
>
> What a turd. The price of allowing electrolysis to occur in a coolant system...
> --
> Larry Engelbrecht
>
> San Diego, CA
>
> '73 26' ex-Glacier
>
> TZE063V100319 03/07/73
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1985 Gulf Stream 34' Sun Stream
1964 Falcon 'Vert
1980 Bradley GTE
1999 Chevy Tahoe
2005 Saab 93 Aero
1987 Suzuki Intruder 1400
1978 Glastron/Carlson CV23
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| Re: Fun with freeze plugs [message #278156 is a reply to message #278125] |
Thu, 21 May 2015 13:50 |
Cadillackeeper
Messages: 464
Registered: October 2012
Location: Fort Lauderdale
Karma: 1
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Senior Member |
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From what I am told,It is the same exact block and freeze plug locations for 350 or 455 olds.Sucks I know.a few over all the years of my Cad as well.
77 455 Elaganza II and 67 Animal, Built 500 Powered Eldo
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