36K miles for a serpentine belt?

My 2019 TRD has about 35,800 miles. Started getting an intermittent squeal from the serpentine belt (or pulleys?). That seems low to have to replace the belt and it's intermittent, so tricky to diagnose. I see there has been a TSB, is it worth calling the dealership (I'm out of 3/36K warranty), or should I just start with a new belt since it's relatively cheap?

 

I wouldn't take it anywhere, but that's me. Even though I doubt it's the belt it's not a bad idea to replace it even if it's just to rule it out.

I've never had a Toyota truck squeal because of a belt but I guess it can happen. On my trucks it's always been the idler pulleys. While you have the belt off spin the pulleys to see if the bearings sound and feel ok. Replacing those is a cheap and easy job.

 

Agreed, it's relatively inexpensive a and simple to replace.

 

The oem dayco belt is nice quality. I just replaced mine after 9 years, 64k miles. Pulley's were still fine.

 

90916-A2037

 

https://www.youtube.com/watch?v=ewr-bdAOxh8

 

I've always replaced my serpentine belt as soon as it starts squealing...

 

Mine makes no noise at all but will probably swap it out soon as it's 8 years old, gonna swap out the original battery at the same time too.

 

How many miles do you have?

 

Closing in on 60K, will be needing spark plugs at that point too.

 

Replaced my first one around that mileage. And just again at like 80k along with an idler pulley.

 

When I was daily gravel road driving, I was changing my belt every 2 years.

 

I'm getting to 85k and it still looks fine

 

This exactly, Dirt roads etc really cut down on the life of belts.

 

Belts harden with age. My Crown Vic needed one after 30k miles- but that was over 10 years lol.

It's too cheap to not at least try before bothering to diag anything.

 

If it has iridium plugs they are good to 120k

 

The Owners Manual calls for 60k changes, but you are probably right that they last awhile longer.

 

58k on mine, belt just started chirping, so im replacing it today.

 

Changed it out today. Youtube videos are super helpful (as usual). Definitely would recommend taking off skid plate to facilitate working from both top/bottom as well as extra light. Helpful to have an extra hand if available when locking out the tensioner.

I have a feeling this belt just got dry/hard due to age vs. mileage. Same happened to first set of tires...they dry rotted before wearing out.

Squeal/chirp all gone! Good DIY project to save a couple hundred bucks.