# Sounds like a bird chirping when accelerating between 30 and 40 MPH (I've looked - no bird)

**URL:** <https://community.cartalk.com/t/sounds-like-a-bird-chirping-when-accelerating-between-30-and-40-mph-ive-looked-no-bird/81585>\
**Category:** Maintenance/Repairs\
**Tags:** nissan, sentra\
**Created:** [October 1, 2013, 1:24am UTC](https://community.cartalk.com/t/sounds-like-a-bird-chirping-when-accelerating-between-30-and-40-mph-ive-looked-no-bird/81585 "2013-10-01T01:24:06Z")\
**Posts on this page:** 3\
**Page:** 1

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**Author:** ![Merr](https://avatars.discourse-cdn.com/v4/letter/m/ac8455/32.png) [@Merr](https://community.cartalk.com/u/Merr)\
**Post date:** [October 1, 2013, 1:24am UTC](https://community.cartalk.com/t/sounds-like-a-bird-chirping-when-accelerating-between-30-and-40-mph-ive-looked-no-bird/81585/1 "2013-10-01T01:24:06Z")

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Help. I took it in to repair shop and they checked all belts and said its all good but I still hear noise. Sure hope it’s not the transmission as it only has 44K miles. Car is Sentra 1.8 - 2006.

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**Author:** ![Merr](https://avatars.discourse-cdn.com/v4/letter/m/ac8455/32.png) [@Merr](https://community.cartalk.com/u/Merr)\
**Post date:** [October 1, 2013, 1:24am UTC](https://community.cartalk.com/t/sounds-like-a-bird-chirping-when-accelerating-between-30-and-40-mph-ive-looked-no-bird/81585/2 "2013-10-01T01:24:45Z")

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Yikes

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**Author:** ![Docnick](https://avatars.discourse-cdn.com/v4/letter/d/ecae2f/32.png) [@Docnick](https://community.cartalk.com/u/Docnick)\
**Post date:** [October 1, 2013, 2:02am UTC](https://community.cartalk.com/t/sounds-like-a-bird-chirping-when-accelerating-between-30-and-40-mph-ive-looked-no-bird/81585/3 "2013-10-01T02:02:56Z")

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A water pumps bearing that’s going could also make this noise. There are also the alternator and A/C compressor that could have bad bearings.