Question about 1988 Mitsubishi Mighty Max

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'88 Mighty Max 2.0 w/noisy AC/fan belt tensioner. The AC doesn't work so can I bypass it and go without a tensioner? The problem is that I cannot find one, only the timing belt tensioner. Thanks.

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  • Mike Snyder Sep 08, 2010

    My question is still unanswered: Can the AC and its tensioner be bypassed without causing any harm? It seems much easier than removing a dysfunctional idler pulley that services an unnecessary AC...

  • Mike Snyder Sep 08, 2010

    My 1988 Mitsubishi Mighty Max has had a non-functional AC for years and now its belt tensioner is making a lot of noise. Can the tensioner be eliminated (along with the AC) so the belt services the fan only?

  • Mike Snyder Sep 08, 2010

    This is a bit frustrating (asking a question and not having it understood, which severely affects being privy to an accurate answer). One more time: The 1988 Mitsubishi Mighty Max 2.0 has had a non-functional AC for years. Now the AC belt tensioner is making a lot of noise. The question is whether or not it is possible (advisable) to remove both the AC AND its tensioner so that I am left with only an uncluttered fan belt, or is it necessary to keep an AC unit that will never be repaired?

  • Mike Snyder Sep 08, 2010

    It appears helpful (at least my question was answered) but I won't know until I put it to the test. Thanks.

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  • Expert
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Hi! Yes you can bypass the tensioner if the a/c doesn't work anymore. Just look for a fan belt that will fit. HOpe this helps and thank you for using FixYa!

Posted on Sep 08, 2010

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You must use the tensioner Idler that is the idler pulley assembly because the AC is set to a diffferent tension than the alternator and should not be rolled into one except for maybe a stop gap temperary adjustment. What you can do is to remove the idler pulley and repair it as it is not a majorr assmebly to repair. The noise is due to wearing off in the shaft assemby and a good tool shop will get this back to good condition.
You can alos checck if the noise if of the belt or the pulley. Use some candle wax or chalk power rubbed on to the belt to test the noise of the belt after setting back the pulley..

Posted on Sep 08, 2010

  • Donald DCruz
    Donald DCruz Sep 08, 2010

    But not recomended for a longer time as the belt without the idler will not be able to set the tension right for the A/C resulting in slippage if loose or damage if the belt is tight.

    My advice is :Not recomended.

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