# Humming noise upon start

**URL:** <https://community.cartalk.com/t/humming-noise-upon-start/85439>\
**Category:** Maintenance/Repairs\
**Created:** [June 14, 2014, 7:27pm UTC](https://community.cartalk.com/t/humming-noise-upon-start/85439 "2014-06-14T19:27:25Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![ALP](https://avatars.discourse-cdn.com/v4/letter/a/e99b99/32.png) [@ALP](https://community.cartalk.com/u/ALP)\
**Post date:** [June 14, 2014, 7:27pm UTC](https://community.cartalk.com/t/humming-noise-upon-start/85439/1 "2014-06-14T19:27:25Z")

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I have a 2000 VW bug. When I start the car in the morning or after work (any time it has been sitting for a while) and the air conditioning is on there is a high pitched humming noise. When I turn the air off it stops. Once the car had been running for a few minutes I can turn the air on with no noise. It has been doing this for a while now. Not sure what the problem is or if it is something that I need to get fixed? It is an older car and I am not too keen on spending a ton of money to fix it if the car still runs fine.