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10W40 in a gearbox??

  • 01-09-2009 1:26pm
    #1
    cantdecide
    Registered Users, Registered Users 2 Posts: 11,465 ✭✭✭✭


    Would that be the right gear oil for an '02 manual S40 2.0


Comments

  • #2
    peasant
    Registered Users, Registered Users 2 Posts: 17,819 ✭✭✭✭peasant


    No, definitly not !

    Gear oils are somewhere around the SAE 70 to 90 range. Check your manual / ask the dealer for correct specs for your car


  • #3
    JHMEG
    Closed Accounts Posts: 7,686 ✭✭✭JHMEG


    More than likely no.

    Gearbox oils are usually 75w80 or similar, tho my manual says 10w30 can be used in an emergency.


  • #4
    cantdecide
    Registered Users, Registered Users 2 Posts: 11,465 ✭✭✭✭cantdecide


    This is what was given to my mate when he had work done on his 'box by a specialist. He reckoned that if he put anything heavier in, he'd have trouble selecting gears when it's cold in winter...

    This was only discovered after the problem remained after the work was carried out. He got a second opinion from another garage. Apparently the mechanic was laughing at the oil he found in it.


  • #5
    peasant
    Registered Users, Registered Users 2 Posts: 17,819 ✭✭✭✭peasant


    some gearbox "specialist" that was ...


  • #6
    Matt Simis
    Registered Users, Registered Users 2 Posts: 8,718 ✭✭✭Matt Simis


    cantdecide wrote: »
    This is what was given to my mate when he had work done on his 'box by a specialist. He reckoned that if he put anything heavier in, he'd have trouble selecting gears when it's cold in winter...

    This was only discovered after the problem remained after the work was carried out. He got a second opinion from another garage. Apparently the mechanic was laughing at the oil he found in it.

    Wow, thats bad. Everyone knows its fairly heavy oil you put it. In many cases a warning is stuck on the physical gearbox housing to that effect too. Love the free thinker that flies in the face of warnings and experience!


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  • #7
    [Deleted User]
    Posts: 23,339 ✭✭✭✭ [Deleted User]


    10w40 is listed by many manufacturers for gear boxes but for top up only.


  • #8
    peasant
    Registered Users, Registered Users 2 Posts: 17,819 ✭✭✭✭peasant


    RoverJames wrote: »
    10w40 is listed by many manufacturers for gear boxes but for top up only.

    Why would anyone "top up" gearbox oil? It's not something that you check once a week, now is it.
    And when you do check (or rather your mechanic does during a service) and find it low, it should either be topped up with the correct oil or best be drained and replaced with fresh, correct oil altogether.


  • #9
    [Deleted User]
    Posts: 23,339 ✭✭✭✭ [Deleted User]


    peasant wrote: »
    Why would anyone "top up" gearbox oil? It's not something that you check once a week, now is it.
    And when you do check (or rather your mechanic does during a service) and find it low, it should either be topped up with the correct oil or best be drained and replaced with fresh, correct oil altogether.

    I don't know, I was just mentioning that manufacturers recommend it for top up only. Personally if I found mine low I'd have a looksee to discover where did it go before I went topping up or draining it.

    No need to jump down my throat ;)


  • #10
    JHMEG
    Closed Accounts Posts: 7,686 ✭✭✭JHMEG


    peasant wrote: »
    Why would anyone "top up" gearbox oil? It's not something that you check once a week, now is it.
    And when you do check (or rather your mechanic does during a service) and find it low, it should either be topped up with the correct oil or best be drained and replaced with fresh, correct oil altogether.
    It can need topping up because it's leaking. My manual says 10w30 is ok in these emergency situations.

    Long story short I was in such a situation once and 10w30 was impossible to locate. Ended up getting 75w80 or something similar.


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