2022 Volvo 760 Loosing Washer Fluid

Discussion in 'Heavy Duty Diesel Truck Mechanics Forum' started by Grumppy, Oct 4, 2022.

  1. Grumppy

    Grumppy Trucker Forum STAFF Staff Member

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    Anyone having this issue? Normally, a gallon or so of washer fluid will last me a month. I can put 2, 3, 4 or 5 gallons in there and within a couple of days, the "washer fluid low" alert comes on.
    I don't see any leaks under the truck after sitting a day or a whole weekend.
    Now mind you, I have crawled under there and looked around but, without a doubt, I'm loosing washer fluid. no way I can be using anything remotely close to that amount.

    Its got to be a leak low enough to make the alert flash & ding regularly.
    And by the way, its not just the alert, it really is low. I can put another 4 or 5 gallons in there.

    Yeah, yeah, I know.. crawl under there and look around. Take it to the shop & let them crawl around under there.
    I'm just asking if any of you mechanics or drivers have run into this.

    Again, 2022 Volvo VLN 760.
     
    MartinFromBC Thanks this.
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  3. Kwiotek321

    Kwiotek321 Bobtail Member

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    Oct 16, 2022
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    Hi
    probably a problem with the washer fliud tank: broken or possibly a loose pump supplying the liquid....
     
  4. Grumppy

    Grumppy Trucker Forum STAFF Staff Member

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    Another......... :banghead:

    OK, the tank was cracked. They put on a new one probably Oct or Nov.
    About 3 weeks ago, dinging again... washer fluid low. Fill it up and a couple of days later.... dinging... washer fluid low.

    The only thing I can figure with this is that 4 or 5 gallons of washer fluid in a cheap plastic tank is causing it to crack. New one ordered. This time I am only going to put 2 or 3 gallons in at a time and see what happens.

    Again, has anyone else experienced this? 2022 Volvo VNL 760........
     
  5. JB7

    JB7 Medium Load Member

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    Water about 8.35 pounds per gallon so 5 times that is about 41 pounds. A good amount of weight like you said. Replaced under warranty? Depending on where it cracks it could be repaired. Drill a small hole at each end of the crack, called stop drilling. It distributes the stress and most times prevents further cracking. Then fill the hole and cover the crack with silicone or a plastic repair. Fiberglass resin is messy but seals up a lot of things.
     
  6. BobO1176

    BobO1176 Light Load Member

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    I had a cracked tank, I assume the summer fluid froze in the winter. Just sealed the crack with a resin and all good now.
     
  7. Concorde

    Concorde Road Train Member

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    My 2021 389 went through 3 tanks the first year. Made in China would be my guess.

    yours is a really big tank to hold that much fluid..mine is probably about 1.5 gallons.
     
  8. Grumppy

    Grumppy Trucker Forum STAFF Staff Member

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    I agree. I've never seen a tank that holds that much, but it does. Usually about 2 gallons is max.

    Shop called me today & said the new tank has arrived so, if I have a down day next week it'll go in.
     
    Concorde Thanks this.
  9. Dreamsham

    Dreamsham Bobtail Member

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    May 18, 2022
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    Had same problem. Went to Volvo and they said it’s gasket under level sensor. They charged me 200$ and I left. Next day same problem. Came back and replaced fluid tank for 700$. After that my problem solved.
     
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