Question about pulling a 472 from a '70 DeVille
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500, 472, 425, 368 Discussion, Question about pulling a 472 from a '70 DeVille in Cadillac Engine Technical Discussion; At some point in the future, I may be removing the engine from a 1970 DeVille convertible. The service manual ...
  1. #1
    chrisntam is offline Cadillac Owners Member
    Automobile(s): 1970 Deville Convertible
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    Question about pulling a 472 from a '70 DeVille

    At some point in the future, I may be removing the engine from a 1970 DeVille convertible. The service manual says just to pull the engine, leaving the transmission in place.

    In the old days when I had cars with small block chevys that needed engine work, I always pulled the engine and trans together. It seemed to be easier to mate the two out of the car than in.

    So is it better with the Cadillacs to pull just the engine alone? Or do both together? I would imagine that if I'm working on the engine I would also go through the trans as well.

    What say you? (and thanks in advance for your contribution to this thread).

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  3. #2
    Roadmaster75's Avatar
    Roadmaster75 is offline Cadillac Owners Member
    Automobile(s): 1978 Eldorado Biarritz
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    Re: Question about pulling a 472 from a '70 DeVille

    Agreed ....pull it out with the trans.
    By all means get an engine "tilt" attachment for
    your engine hoist .....! Plug the tailshaft up or bag it so
    trans fluid stays put.

  4. #3
    deVille33 is offline Cadillac Owners Connoisseur
    Automobile(s): 1977 Coupe (blue), 1977 Coupe (yellow), 1977 Coupe (green)
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    Re: Question about pulling a 472 from a '70 DeVille

    All well and good, but the Cadillac engine block is a lot longer than the Chevy and the trans in the '71 has a 10" tail shaft extension which can cause problems gaining clearance between the crossmember and the cowl/firewall and the ground ( unless you dig a ditch underneath it). I had to elevate the front of one of my coupes and bring the engine out at an extreme angle, then drop the body. The '70 may have more room than a '77, but when doing these projects one never knows just what to expect.

  5. #4
    The Ape Man's Avatar
    The Ape Man is offline Cadillac Owners Connoisseur
    Automobile(s): '80 Fleetwood Coupe, 1994 and 1995 Mercedes 140 Coupe
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    Re: Question about pulling a 472 from a '70 DeVille

    I always leave the trans in the car with the torque converter. Easy enough. Usually jack the transmission up a little with a floor jack to get the bell housing to match up then alternately lower the engine and floor jack.

  6. #5
    drmenard is offline Cadillac Owners Enthusiast
    Automobile(s): 95 fleetwood 81 deville
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    Re: Question about pulling a 472 from a '70 DeVille

    I'm with the Ape Man on this one.. I would never take out the transmission if I did not have to..

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