New Pulleys, Serp Still Noisy

Hey all. Manual 2015 V6, just had work done for noisy pulleys. Received new pulleys, tensioner assembly, and belt. When idling, sounds like crickets. Do you think it's a bad install? TIA

 

More info would be good. How many miles on it? Can you post a video of the noise?

"Chirp" makes me think first of the manual-trans TOB (throw-out bearing.) Does the sound change at all when the clutch is in (in neutral) vs when it is out (pedal pushed down to floor)?

If not that, then I wonder if it could be the water pump or power steering pump.

 

https://photos.app.goo.gl/euF2JNcQy5JYifWb6

You can hear it until I press the clutch. Noise doesn't come back until I press gas pedal.

Truck has 134k miles.

 

Yeah this is almost certainly clutch-related, not in the main / front part of the engine bay.

Most likely it's classic Tacoma 2nd gen/3rd gen MT TOB (throw-out bearing) whine, a condition that seems to start anywhere between 50-125K miles on many 2nd and 3rd gen MT's. The whine is caused by a design flaw in Toyota's implementation of the TOB.

Usually gets progressively (but very gradually) worse over time, is frequently tolerated as a chronic condition, but can occasionally result in serious damage if/when the ?? quill (I think?) inside the transmission bell housing breaks off?

My 2014 4.0L 6MT has a little bit of it. When I got the truck (used, I'm the 2nd owner) at 62K miles it didn't have any. It recently started a mild TOB chirp/whine around 70K miles, currently at 75K miles and it hasn't gotten noticeably worse.

The current consensus seems to be that the Tilton™ hydraulic-release bearing DIY kit put together by some very committed TacomaWorld posters may (finally) be a reliable long term fix for this problem. (The URD™ TOB sleeve kit has mixed reviews at best, the ClutchMasters™ DIY solution is frequently described as flaky & prone to leaking hydraulic fluid.) There aren't a great many of these Tilton™-based kits installed "in the wild" so far. I follow TW posts about them closely & I think the longest-running one I've seen so far has about 30K miles on it with no problems.

TL;DR it's probably not immediately urgent, take time to read all the existing threads on Taco TOB issues in-depth before taking any action. Here are a few:

https://www.tacomaworld.com/threads/6mt-throwout-bearing-and-clutch-system-shenanigans.698464/
https://www.tacomaworld.com/threads...ion-kits-adapted-for-2005-6mt-tacomas.807086/
https://www.tacomaworld.com/threads/130k-2016-or-throwout-bearing-squeal.660661/#post-29105909
https://www.tacomaworld.com/threads/clutch-chirp-2nd-gen.807979/#post-29058813
https://www.tacomaworld.com/threads/clutch-and-tob-replacement.802091/#post-28894223

 

Thank you very much.