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Clutch Slipping?

  • 07-02-2011 11:32pm
    #1
    Leonard Hofstadter
    Registered Users, Registered Users 2 Posts: 5,541 ✭✭✭


    About a week ago I was driving at around 60 kph in fourth gear and I noticed that the revs shot up from 2000 to about 2400 rpm and went back down once I backed off the throttle a little (I was going up a bit of an incline).

    Needless to say I thought that the clutch disc much be reaching the end of its service life and was showing the first signs of impending failure. I had been driving around town ever since and of course that would never tell you if your suspicions are correct.

    Yesterday I got a chance to drive out the Ballincollig bypass in the heavy winds and travelling at around 125 kph. I floored the car a few times in third, fourth and fifth gear and the clutch did not slip at all! The revs increased but linearly, like you would expect in a car with a properly functioning clutch. It held 125 no bother despite the strong winds.

    So now I'm wondering was what happened the previous week a one off and nothing to be worried about or is my suspicion correct?

    If it is indeed the clutch disc that is starting to fail, how much longer will I realistically get out of it? I want to know this because I have to go to Portrush next week and I do not want to be doing a 1000+ km trip only to have clutch failure en route:D!

    One thing I've noticed is that when I depress the clutch, it makes creaking noises, and has done for a while. But a main dealer told me that it was nothing to worry about and just give it some spray of WD40:confused:?

    Could this be anything to do with my problem? Could it be that sometimes the clutch 'sticks' a little and doesn't fully engage which is why I could get it to slip at 60 kph one day yet a week later despite flooring it a few times and travelling at speed it was definitely not slipping (and no smell of clutch either)?

    I should say that the car got its second gearbox only 10k km ago and the clutch was changed then - oh and it's a petrol as well so it can't be the DMF or anything like that.

    My guess is that it was a once off thing and nothing to be worried about, but I'd appreciate some confirmation. Thanks in advance.


Comments

  • #2
    CiniO
    Registered Users, Registered Users 2 Posts: 16,069 ✭✭✭✭CiniO


    From your description it looks like it wasn't the cluth, but more likely slippery surface.
    Maybe there was black ice, oil spilled, or something.


  • #3
    Nissan doctor
    Closed Accounts Posts: 8,223 ✭✭✭Nissan doctor


    What car/engine is it?

    If the clutch is begining to fail it will do so when under the most load, your description of going up a hill at 60kmh, if you were in a high gear(5th/6th) then this is when slipping would be most noticable.

    However, have a look to see what condition your tyres are in, it may also have been a bit of wheelspin you got if the surface was slippy.


  • #4
    omb0wyn5ehpij9
    Closed Accounts Posts: 16,095 ✭✭✭✭omb0wyn5ehpij9


    Doesn't sound like anything to worry about. As previous posters have said, you might have just lost traction going up the hill.

    The creaking clutch pedal is definitely nothing to worry about anyway`:)


  • #5
    Leonard Hofstadter
    Registered Users, Registered Users 2 Posts: 5,541 ✭✭✭Leonard Hofstadter


    Nissan doctor wrote: »
    What car/engine is it?

    If the clutch is begining to fail it will do so when under the most load, your description of going up a hill at 60kmh, if you were in a high gear(5th/6th) then this is when slipping would be most noticable.

    However, have a look to see what condition your tyres are in, it may also have been a bit of wheelspin you got if the surface was slippy.


    It's an Avensis :o.

    It's the sort of car that would put you off cars for life (such an emotionless method of transport), but it will have to do for now :rolleyes:.

    It 'slipped' in fourth.

    The roads were dry at the time and the car has traction control(which did not come on). The tyres are still in a reasonable enough condition. When I say a hill I mean a rather slight incline (Donovans Road in Cork). I've pulled away on steeper inclines and it has no problems.

    You see that is what has me confused. It seemed like the clutch when going up a hill (because it was properly in gear when it did it the first time) because the revs increased slightly (for about two or three seconds). Yet yesterday, driving at more than double the speed with wet and windy weather and with roof bars on it, the clutch didn't slip at all even when I floored it (in third, fourth and fifth)! Admittedly the Ballincollig bypass is very flat, but I would have thought that the engine and clutch would be under far more pressure when having to deal with howling gales, roof bars and travelling at double the speed than going up a slight incline.


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