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  • Squeak/Squeel With AC On

    Hi,

    I've recently had my drive belt and tensioner replaced due to a squeeling/squeaking sound when the AC was on. It started after driving through muddey water then hosing the engine bay down. On startup there's no noise. The noise starts up after the engine is hot. The noise is still present

    Any ideas as to the cause?

    Thanks,
    2019 GXL, Bullbar, UHF, Redarc Brake Controller, Tow Bar, Secondary Fuel Filter

  • #2
    Whack some soap (use hard soap not liquid soap lol) on the belt and see if it shuts it up, if it does then Id replace the belt..Cheers Steve
    Face lift 150 Prado V6 auto. No mods yet

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    • #3
      Hey gxl, belt squeal is common on alot of vehicles. Best way ive found of fixing it is to first change the belt, run it for a week so it get worn in then re-check the tension. Most ppl put new belt in and just leave it, by re-checking and re-adjusting the tension after run in the belt is accurately tensioned hence no slip and the squeal goes away.
      Another but less common cause of squeal is from stiff bearings on your tensioner pulley. Since you have mentioned that you have replaced both you're belt and pulley I would be re-checking and adjusting the tension slightly to see if this stops the noise. If not buy a second new belt from a different supplier and spray it with a coat of belt grip.
      By and large with a little adjusting and patience one of the above methods will get rid of your squeal.
      (note: do not use belt grip on used belts as any heat fatigue or small cracks can cause belts to snap. use only on new belts).
      Hope this helps, Green.
      97' Prado VX Grande Emerald/Silver, 3.4L, auto, Bilstein shocks/ Dobinsons coils 2'' lift, breathers on everything, snorkel, Maxxis Bighorns. Coming before Summer, Uniden uhf, spotties and with luck a winch bar.

      '' If you risk nothing you gain nothing - Bear Grylls ''

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      • #4
        GreenVX, is the tensioner on a 1kdftv adjustable? If so, do you have any info on how to adjust?

        I'll check all of the pulleys on the weekend. I'm not sure if anything is tight or siezed.
        2019 GXL, Bullbar, UHF, Redarc Brake Controller, Tow Bar, Secondary Fuel Filter

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