Squealing serpentine belt on 01 Montero

[DougL3NC]

All idlers and tensioner replaced within the last year. This thing goes through belts at the rate of one per 6-8 months. Every belt I've taken off is in great shape, just shiny on the ribbed side.

New belt started squeaking about 4-5 days after installing it...Gates brand if it makes a difference.

Cross-posted on another forum also.

[alexrex20]

So is there a question?




...tighten the tensioner(s).

[tdesanto]

I don't believe there is a way to tighten the tensioner. It's a self-adjusting tensioner.

I only use OEM belts, but when the weather gets cold mine will usually whine some. I use spray-on belt conditioner, and it will usually quiet the belt for a while.

[adrenaline503]

There must be a way to tighten the belt... I think? I would agree with the OEM belt, I had mine replaced and it squeeled no matter what we did. I insisited they use a "Nissan" belt and it hushed right up.

[Sabre]

Use some Sherlock Holmes' logic. You're burning through belts at a crazy rate. If it's not the tensioner or idler pulley (notorious failure points), look to the other things that the belt spins.

Is your water pump going TU?

[DougL3NC]

Use some Sherlock Holmes' logic. You're burning through belts at a crazy rate. If it's not the tensioner or idler pulley (notorious failure points), look to the other things that the belt spins.

Is your water pump going TU?

Like most Japanese V6's, the water pump is driven off the timing belt. I've looked at the tensioner and pulley, the idler, the fan idler, power steering pump, alternator, and A/C compressor....they are all fine.

I've either got a tension problem or a crappy belt issue I guess. Guess I'm gonna snag a can of belt dressing and order a Mitsubishi-brand belt.