How To: Brittle Lever Locks

Discussion in 'Heavy Duty Diesel Truck Mechanics Forum' started by 5UG, May 29, 2024.

  1. 5UG

    5UG Light Load Member

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    May 22, 2024
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    Hello again-
    Anyone have a trick for unplugging the engine side lever locks without breakin' them?
    I can only loosen them a tad bit before the resistance really kicks in and I'm afraid if I muscle it too much, it's going to snap.
    I'm looking at products that might "condition" the plastic. . . Anything like that you guys might know about and/or recommend. Mr. Beasley's looks hopeful. Perhaps.

    Anyone got any pointers?

    Any advice beyond: "Just be careful, or you'll break it."
     
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  3. AModelCat

    AModelCat Road Train Member

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    Lever locks?
     
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  4. 5UG

    5UG Light Load Member

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    May 22, 2024
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    Hi there-
    I don't know what they're actually called. I'm referring to the plastic yellow rectangular shaped tab/locks you have to pull down to unseat the wiring harnesses on the engine side, below the fuse box.
    I'm trying to upload a pic, but keep getting an error message.
     
  5. 5UG

    5UG Light Load Member

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    May 22, 2024
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  6. 5UG

    5UG Light Load Member

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    There! It uploaded!
    One small win for the good guys!!
     
    Numb Thanks this.
  7. uncleal13

    uncleal13 Road Train Member

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    I think they slide down a little bit first before you pull them over.
     
    gentleroger and 5UG Thank this.
  8. 5UG

    5UG Light Load Member

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    May 22, 2024
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    I'll take a closer look and see.
    They seem to pull forward/downward a little, then get stuck. It seems like it will snap if I force it all the way over. When I went to pick up a part for a different problem, the service dept. at the dealership was kind enough to tell me it takes two people to kind of hold everything together and apply even pressure. . .
    But, it's just, there's gotta be a trick! That can't be it, can it. . . Lol?
    I'm still feelin' pretty gunshy, even with a helper to "hold it all together."

    In any case, I'll double check to see if there's a way to unlock it by pushing downward first. Maybe it'll let go.

    Thanks for the reply!
     
  9. Goodysnap

    Goodysnap Road Train Member

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    Before disconnecting……..liberally Spray the connector with dawn and water solution and blow off with compressed air. Respray again and then attempt removal. Don’t force them if it doesn’t go as the lever arm will break. From there you can assist the side slides of the connector with a small pick or pocket screwdriver while releasing the lever.
     
  10. 5UG

    5UG Light Load Member

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    May 22, 2024
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    Thank you for taking the time! I knew cleaning it would be a good idea, but I was too nervous about getting too close with any kind of cleaning solution/water. I'm going to take your advice. I know it's golden.
    Wish me luck,
    All the best to you!
     
    gentleroger and Goodysnap Thank this.
  11. 5UG

    5UG Light Load Member

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    So, what are they "properly" called?
     
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