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Pulling a 4th Gen F-Body V6 With Wire Harness?

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  • Pulling a 4th Gen F-Body V6 With Wire Harness?

    The F-Body Car Line Series Shop Manual (Book 1 of 2) shows two pages with the Wiring Harness Diagrams and harness connector locations on both side of the 3.4L engine. There are no less than 34 harness pigtail connectors and nut/washer ground wire attachments that must be removed or disconnected prior to pulling the engine. My question is:

    Can the 93-95 F-Body 3.4L L32 OHV RWD engine be pulled WITH THE WIRING HARNESS ATTACHED TO THE ENGINE but with the primary PCM harness plugs removed from the PCM?

    My concerns include the worry of either snagging or crushing some wire bundles in the process of removing the motor with the hood and radiator removed through the top of the engine compartment. Thanks in advance for your time and replies...
    Last edited by 60dgrzbelow0; 03-18-2009, 06:55 PM.

  • #2
    Most of my experinces with pulling engines out of cars is from a profeesional shop/garage stand point. It is a lot easier to disconnected all the pigtails off the sensors first and everything else (hoses, cooler lines,etc.). If u don't know what they are or where they go to label them. Then place the harnesses out of the way carefully then pull the motor. Then you can start to pull the the ECU out of the car and the the whole harness. It is a lot more work but it is a hell of a lot easier than trying to feed the ECU connectors through the firewall with the engine installed.
    So to answer your question... no the engine should not be pulled out with the harness attached to it.
    -Gary
    -Gary
    1983 Camaro 2.8l not much done yet
    1999 Chevy Prizm - typical bolt-ons

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    • #3
      Thanks Gary... I have a stack of water/oil/gas proof wire on tags and some Sharpies ready to go... I was just being lazy in thinking I could just pull the motor with only a few obvious disconnects and then try to transfer the whole wire harness over to the the re-built engine using the Shop Manual as a guide while the new motor is still on the stand. But I will follow your advice and use the "Tag & Bag" technique. When the time comes, I'll be taking a complete set of "Step by Step" images of this entire process and posting them over to my existing 93-95 GM 3.4L Engine Re-Build" photobucket ...here:

      Store your photos and videos online with secure storage from Photobucket. Available on iOS, Android and desktop. Securely backup your memories and sign up today!
      Last edited by 60dgrzbelow0; 03-18-2009, 09:46 PM.

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      • #4
        Hey not a problem. Thats the only I've ever been good at, fixing cars

        -Gary
        -Gary
        1983 Camaro 2.8l not much done yet
        1999 Chevy Prizm - typical bolt-ons

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