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Volvo - Wrong tires size

Discussion in 'Heavy Duty Diesel Truck Mechanics Forum' started by vanostav61, Aug 24, 2022.

Page 1 of 2
  1. Aug 24, 2022 #1
    vanostav61

    vanostav61 Bobtail Member

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    I own this truck for about a year and few days ago I realized that the drive tires installed are of a wrong size compared to what the sticker on the door says. The door sticker says 275/80R22.5 but tires on truck say 295/75R22.5

    How does this affect the truck, especially considering it's automatic? Should I swap to the correct tire size?

    Truck info:
    2011 Volvo VNL
    D13 with i-Shift 12 gear transmission
    4x6 axles with 3.36 gear ratio
     
    vanostav61, Aug 24, 2022
    vanostav61, Aug 24, 2022
    #1
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  3. Aug 24, 2022 #2
    Kshaw0960

    Kshaw0960 Road Train Member

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    Makes almost no difference. The 295 tires you got on now are a hair wider than the 275’s. The difference in tire height is so minuscule it isn’t even funny. What is it like half an inch maybe?

    I would keep the 295’s anyway because that is the most common size tire available anywhere and is much easier to keep and replace.
     
    Kshaw0960, Aug 24, 2022
    Kshaw0960, Aug 24, 2022
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  4. Aug 24, 2022 #3
    AModelCat

    AModelCat Road Train Member

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    As long as all the drive tires are the same size it won't hurt anything. When tire sizes are mixed you'll be turning the differential spider gears and/or interaxle gears all the time.

    I'd be more concerned about overall vehicle height if swapping to taller tires.
     
    AModelCat, Aug 24, 2022
    AModelCat, Aug 24, 2022
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  5. Aug 24, 2022 #4
    Siinman

    Siinman Road Train Member

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    As others have said no problems. I did the same thing to my 2014 Volvo since it was more tires that size. No issues
     
    Siinman, Aug 24, 2022
    Siinman, Aug 24, 2022
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  7. Aug 24, 2022 #5
    Bean Jr.

    Bean Jr. Road Train Member

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    275/80r22.5 should be Michelin size. That is the same as 295/75r22.5.
     
    Bean Jr., Aug 24, 2022
    Bean Jr., Aug 24, 2022
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  8. Aug 24, 2022 #6
    Another Canadian driver

    Another Canadian driver Road Train Member

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    I think that your transmission is an I-Shift ATO 2612.
     
    Another Canadian driver, Aug 24, 2022
    Another Canadian driver, Aug 24, 2022
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    Rideandrepair Thanks this.
  9. Aug 24, 2022 #7
    Big Road Skateboard

    Big Road Skateboard Road Train Member

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    Nobody said it'll blow up? Lacking...
     
    Big Road Skateboard, Aug 24, 2022
    Big Road Skateboard, Aug 24, 2022
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  10. Aug 25, 2022 #8
    vanostav61

    vanostav61 Bobtail Member

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    The reason I asked is because I know that tire diameter can influence the gear ratio, mileage counting, and considering it's automatic I was wondering if it's not messing with the way transmission shifts.
     
    vanostav61, Aug 25, 2022
    vanostav61, Aug 25, 2022
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  11. Aug 25, 2022 #9
    062

    062 Road Train Member

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    062, Aug 25, 2022
    062, Aug 25, 2022
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  12. Aug 25, 2022 #10
    Ffx95

    Ffx95 Road Train Member

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    Ffx95, Aug 25, 2022
    Ffx95, Aug 25, 2022
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