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Wrong oil in a car

  • 28-02-2012 6:05pm
    #1
    Indricotherium
    Closed Accounts Posts: 1,575 ✭✭✭


    I've been putting 15w40 in my OHs 1997 1.3i Endura e engined fiesta and it's been drinking the stuff. It's also developed a bit of a knock. It's on the way out I know but it owes us nothing.

    Castrol reccomend 5w30 for this engine. My question is, what kind of effect should I expect from running the wrong oil, and could this be why it is drinking the stuff??


Comments

  • #2
    kona
    Registered Users, Registered Users 2 Posts: 7,525 ✭✭✭kona


    Indricotherium wrote: »
    I've been putting 15w40 in my OHs 1997 1.3i Endura e engined fiesta and it's been drinking the stuff. It's also developed a bit of a knock. It's on the way out I know but it owes us nothing.

    Castrol reccomend 5w30 for this engine. My question is, what kind of effect should I expect from running the wrong oil, and could this be why it is drinking the stuff??

    It will go through the castrol even faster, its a lighter viscosity.


  • #3
    exaisle
    Registered Users, Registered Users 2 Posts: 2,675 ✭✭✭exaisle


    You dont mention how many miles it has on the clock...after all, it's 15 years old. How many of those 15 years have you been feeding it the wrong oil?


  • #4
    Indricotherium
    Closed Accounts Posts: 1,575 ✭✭✭Indricotherium


    exaisle wrote: »
    You dont mention how many miles it has on the clock...after all, it's 15 years old. How many of those 15 years have you been feeding it the wrong oil?

    I've been putting the wrong oil in for 3 years as it is for half nothing in the local German hypermarket.

    The clock says 76 thou but it only goes up to 99999 so I suspect the fiesta may well have driven 176 thou.


  • #5
    Jimbob 83
    Registered Users, Registered Users 2 Posts: 2,032 ✭✭✭Jimbob 83


    Don't see why a fiesta would need fully synthetic, semi should be fine


  • #6
    [Deleted User]
    Posts: 23,339 ✭✭✭✭ [Deleted User]


    That engine would happily tick away on 15w40 :)
    The 5w30 spec is a recent enough recommendation from Ford, they also doubled the change interval.


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  • #7
    Indricotherium
    Closed Accounts Posts: 1,575 ✭✭✭Indricotherium


    RoverJames wrote: »
    That engine would happily tick away on 15w40 :)
    The 5w30 spec is a recent enough recommendation from Ford, they also doubled the change interval.

    Thanks for that!

    I'm fairly sure the ticking noise is from me driving the bananas out of it any time I'm in it anyway.


  • #8
    [Deleted User]
    Posts: 23,339 ✭✭✭✭ [Deleted User]


    Well the knock isn't good but I don't think it's from running it on 15w40 :)
    That engine is little different to how it was in the 70s.


  • #9
    Plug
    Registered Users, Registered Users 2 Posts: 9,248 ✭✭✭Plug


    You probably need the tappets adjusted, happens them all over time. Simple job for any mechanic. Them engines are great.


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