Author Topic: Removing 1955 Cadillac engine???  (Read 269 times)

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Offline Ratcad

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Removing 1955 Cadillac engine???
« on: January 17, 2021, 07:44:30 PM »
Hi all, I need to remove my 1955 331 from my almost completed project.... I remember putting the trans and engine together when the body was off which was very easy... so Iím wondering has anyone plucked a 1955 331 and left the transmission in position??... as you might know, itís a very different to a modern engine/trans assembly..., it would be nice to leave the tranny/tail shaft in position, for a couple reasons... they are damn heavy..., and less chance of scratching the engine bay when Iím just removing the engine....??? Cheers.. Adam

Offline Bruce Reynolds

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Re: Removing 1955 Cadillac engine???
« Reply #1 on: January 17, 2021, 08:47:25 PM »
G'day Adam,

Removing the engine on its' own should be easy if you follow the Shop Manual.   You do have a Shop Manual?

You will have to separate the Fluid Drive, which might mean that you have to drop the Tans, but read the Manual.

Bruce. :devil:
Bruce Reynolds, Lindisfarne, TASMANIA
'72 Eldorado Convertible (LHD)
'70 Ranchero Squire (RHD)
'74 Chris Craft Gull Wing (SH)
(Past President Modified Chapter)

Offline Ratcad

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Re: Removing 1955 Cadillac engine???
« Reply #2 on: January 17, 2021, 10:12:31 PM »
Yes Bruce, I have a manual.... technically Cadillac didnít produce a ď1955Ē workshop manual... they used the 1954 with a supplement...(that part I donít have).... the 1954 workshop manual only talks about removing both at the same time... Iím assuming as the 1954 331 has the ďearlyĒ extended bell housing cast into the block... but the 55 is the first engine in the modern format... hence, I was curious if anyone has tried to seperate in the car... more interested about re-installing.. lining up the crankshaft bearing pin and the 36 bolts that bolt the fluid drive together... and having a gasket or sealant at the same time...???? A lot going on compared to a modern engine where all you have to do is line up a spline.....???

Offline Bruce Reynolds

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Re: Removing 1955 Cadillac engine???
« Reply #3 on: January 18, 2021, 10:54:31 AM »
Whatever is said for the '54, wil most probably be the same for the '55, as they only put out Supplements where there are minor changes to a new model.

Does the '54 Shop Manual show that the trans can be removed without pulling the engine as well?

The main problem I see is that there needs to be sufficient room to move either forward or backwards to give access to those bolts that need undoing to allow the separation from the crankshaft, and moving the engine forwards could be baulked by the engine mounts, front crossmember etc, as the engine cannot be lifted high enough to clear these obstacles.

As a package, when the complete unit is out, then there is a lot of room to access everything.

I know that the Shop Manual for 1972 says to use a vehicle hoist when removing the engine from an Eldorado, but I managed to remove mine using a jack to access anything underneath, and I have removed both the Engine and Trans as a unit, and also removed just the engine.   But, I would remove both the Engine and Trans together every time as it is simply easier.   Especially when putting them together in the car is VERY awkward.

Bruce. :devil:
Bruce Reynolds, Lindisfarne, TASMANIA
'72 Eldorado Convertible (LHD)
'70 Ranchero Squire (RHD)
'74 Chris Craft Gull Wing (SH)
(Past President Modified Chapter)

Offline Ratcad

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Re: Removing 1955 Cadillac engine???
« Reply #4 on: January 18, 2021, 06:58:28 PM »
The manual only talks about removing them both together to remove the engine.... it does have a section about removing just the transmission on a hoist...., I had always planned to remove both to make it easier to not have fluid leaks at the fluid drive... but I was just hoping maybe someone has tried the other way..👍🏻

Offline Bruce Reynolds

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Re: Removing 1955 Cadillac engine???
« Reply #5 on: January 18, 2021, 08:04:04 PM »
But, what does it say about only removing the transmission?

Bruce. :devil:
Bruce Reynolds, Lindisfarne, TASMANIA
'72 Eldorado Convertible (LHD)
'70 Ranchero Squire (RHD)
'74 Chris Craft Gull Wing (SH)
(Past President Modified Chapter)