4.6 engine removal for 99 Caddy

    How do you remove a 4.6 engine from a 99 Caddy. I have removed all the bolts that I can find. It won't come loose from the right side of the engine if your standing on the left side of the car.

    0  Views: 757 Answers: 1 Posted: 12 years ago
    Tags: engine

    1 Answer

    Much easier with two people and/or a lift.
    The hardest part was disconnecting all the wiring. We have a 98 Seville manual which makes it sound like the wiring was redone somewhere in between to make it easier.
    Look at your wiring harnesses and see if you can unplug the engine from the harness that goes through the firewall.That is the computer cabling. The plate at the firewall itself is not a connector, it seals the firewall. Even with discoing that it wasn't that hard, just tedious.
    We stacked pieces of 4x4 wood under the cradle to hold it up (you could use jack stands but we wanted it as low as possible).
    You disconnect everything, we were able to hang the ABS and the calipers from the body so we didn't have to open the brakes, set the cradle down and raise the body. We cut a 4x4 a little wider than the radiator support and used a tow strap wrapped around that to lift. An engine hoist got us enough height.
    Once the body cleared we used a floor jack front and rear to roll the powertrain out.

    Couple more things.
    We did get the engine/powertrain service manual.
    We disconnected the A/C lines from the compressor and left it on the engine. I have A/C tools and R134 available. It may be possible to leave it connected...we didn't even consider that because we wanted the radiator/condensor assembly out to make it easier to work on.

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