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Mazda 121 belts screaching

  • 04-07-2009 10:46pm
    #1
    annieobrien8
    Registered Users, Registered Users 2 Posts: 106 ✭✭


    Hi all,

    I have a 1994 1.4l Mazda 121. My father changed the power steering belt, fan belt and oil filter recently. Since then, when the car is on there's a screaching sound, I presume one of the belts. He's tried tightening and loosening the fan belt but it hasn't stop the noise. The sound gets worse when the car is revved but it does seem to go out of it after ticking over for a while. Also, since the belts were changed it seems to run at lower revs, so low that twice it has cut out when left idle. To keep the revs up he has the back window heater turned on!

    Does anyone have any ideas?

    Thanks!


Comments

  • #2
    Hal1
    Registered Users, Registered Users 2 Posts: 8,720 ✭✭✭Hal1


    It sounds like one of the belts is not 'gripping' the cog or pulley as it should be. cheak for wear, it might be overtight? I know the noise your talking about though and its really annoying to listen to.


  • #3
    Captain Slow IRL
    Registered Users, Registered Users 2 Posts: 3,651 ✭✭✭Captain Slow IRL


    annieobrien8 wrote: »
    Hi all,

    I have a 1994 1.4l Mazda 121. My father changed the power steering belt, fan belt and oil filter recently. Since then, when the car is on there's a screaching sound, I presume one of the belts. He's tried tightening and loosening the fan belt but it hasn't stop the noise. The sound gets worse when the car is revved but it does seem to go out of it after ticking over for a while.

    If there's 2 belts, he can spray silicon spray onto each belt - when it quietens, that'll be the offending belt. To tension it, it should be adjusted so that the belt can be twised 90 degrees.
    annieobrien8 wrote: »
    Also, since the belts were changed it seems to run at lower revs, so low that twice it has cut out when left idle. To keep the revs up he has the back window heater turned on!

    He would have to ensure the belts are tensioned correctly before looking at this. I'd doubt that the belts would be the cause, probably more to do with idle control, it'd have to be checked out.


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