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Thread: 1983 Corolla Wagon fuel pump - toyota newbie!

  1. #1
    Junior Member
    Join Date
    Mar 2017

    Default 1983 Corolla Wagon fuel pump - toyota newbie!

    Hi there!

    I'm new to the old toyota world, as I just acquired a 1983 corolla with a bluetop 4AGE swapped into it. My aim is to make it daily-able, which isn't too horribly far off. I enjoy forums because you find a lot of information from people who've been there, but they're useful tools to learn how to more effectively communicate when it comes to these things. The more you know, I suppose.

    Anywhoo, the person I bought it from did the swap. The person who owned it *before* him did the external fuel pump job on it for some reason. So the pumps been there since before the swap.

    It's a Bosch 0580254982, which as it turns out is from a '77 BMW.

    I had a video of the noise, but now I can't find it and the car's fuel lines are plucked right now. This video that I found, though, perfectly demonstrates the noise it makes.

    The noise happens constantly as the car runs, no changes in pitch or anything. Every once in a while when I start it, it will sounds perfectly normal for maybe one or two seconds before starting in on the noise. The fuel pump that came in the 1986 GTS (the motor donor) was rated at 3 bar, the one that on this car currently is rated for 5. However there are zero fuel delivery issues. Idles fine for the most part, drives perfect, drove it 40 miles a day for a week and a half with no issues to speak of.

    I just know that I can't trust it. At least for long. I'm mechanically inclined enough to replace *most* things on the car myself so long as they don't require extensive machining.

    What do you all think? Should I replace the pump and hope there's no other issue causing the pump the cavitate (if that'd be the proper term), or try to find the issue before the pump fails? As I said before it sometimes sounds normal for a second, so I KNOW it is capable of making noise at a normal volume. I've also head that "external pumps are just noisy", but mechanically that just doesn't cut it for me.


    This video is a little more accurate to the sound. I dunno bout the guy.
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    Last edited by rcolosi; 19th March 2017 at 10:56 AM.

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