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Thread: 3.0L engine swap

  1. #381
    Owner since 2007 Farrar's Avatar
    Join Date:  May 2011

    Location:  Plantation, FL

    Posts:    4,382

    My VIN:    02613

    Another cooling system check - this time it failed. Radiator fans didn't come on. No bubbles in the system (level in tank did not go down after running for 15 minutes) but temperature got up to 220F with no fans. This is perplexing. The fans run with air conditioning. When Bill was test driving the car, he said the otterstat wasn't working. Then all of a sudden it started working. Then all of a sudden it stopped working. Now I've replaced it, and it worked once and failed to work once. I suspect a wiring problem. A flaky connection somewhere could cause intermittent failures like this. The circuit is rather complex, though. It will take some time to troubleshoot.

    In other news, it looks like the roof box separating may be what's causing my doors to fit differently from how I remember. (Bill noted the passenger door sticking: it's never done that before.) I took the rear finishing piece off and it looks like there's some bowing. I'm going to remove the louvres for a better look (my third brake lights are mounted underneath the louvres), and then the T-panel. I don't see evidence of corrosion, but there may be some lurking under the T-panel. We'll see.

    Typical of this car: working on one problem and another arises... Gotta love antique vehicles!
    DeLorean status: back home again after two years!

    "Human beings, who are almost unique in having the ability to learn from the experience of others, are also remarkable for their apparent disinclination to do so."
    -Douglas Adams

  2. #382
    Senior Member
    Join Date:  Jul 2015

    Location:  Tacoma, Wa

    Posts:    1,825

    My VIN:    4877

    it keeps you busy and outta trouble...hehe
    Rob Depew
    Tacoma, Wa
    '81 DeLorean 4877 Grey, Auto, 4 wheels
    The Ressurection of 4877......
    Now Accepting Donations to get her back on the road

  3. #383
    Senior Member Bitsyncmaster's Avatar
    Join Date:  May 2011

    Location:  Leonardtown, MD

    Posts:    6,902

    My VIN:    03572

    Check the connections at the diodes (in harness in relay compartment). I guess even a diode could have an internal intermittent connection.
    Dave M vin 03572
    http://dm-eng.weebly.com/

  4. #384
    Owner since 2007 Farrar's Avatar
    Join Date:  May 2011

    Location:  Plantation, FL

    Posts:    4,382

    My VIN:    02613

    Drained more water from the system. Today it was almost totally clear. Looks like soon I will be able to consider this rust problem solved, or at least closer to being solved. I'll go back to 50/50 soon enough.
    DeLorean status: back home again after two years!

    "Human beings, who are almost unique in having the ability to learn from the experience of others, are also remarkable for their apparent disinclination to do so."
    -Douglas Adams

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