# Crackling sound in the engine compartment - 2005 Cadillac STS

**URL:** <https://community.cartalk.com/t/crackling-sound-in-the-engine-compartment-2005-cadillac-sts/139799>\
**Category:** Maintenance/Repairs\
**Tags:** cadillac, sts\
**Created:** [May 5, 2019, 4:22am UTC](https://community.cartalk.com/t/crackling-sound-in-the-engine-compartment-2005-cadillac-sts/139799 "2019-05-05T04:22:05Z")\
**Posts on this page:** 3\
**Page:** 1

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**Author:** ![joetortorici](https://avatars.discourse-cdn.com/v4/letter/j/7ea924/32.png) [@joetortorici](https://community.cartalk.com/u/joetortorici)\
**Post date:** [May 5, 2019, 4:22am UTC](https://community.cartalk.com/t/crackling-sound-in-the-engine-compartment-2005-cadillac-sts/139799/1 "2019-05-05T04:22:05Z")

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2005 cadillac sts v6 I have a crackling sound in the engine compartment can"t figure it out. does anyone else have this problem 92,000 miles. Thanks

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**Author:** ![shanonia](https://avatars.discourse-cdn.com/v4/letter/s/9de053/32.png) [@shanonia](https://community.cartalk.com/u/shanonia)\
**Post date:** [May 6, 2019, 12:41am UTC](https://community.cartalk.com/t/crackling-sound-in-the-engine-compartment-2005-cadillac-sts/139799/2 "2019-05-06T00:41:49Z")

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Could be the tensioner and pulley for the serpentine belt.

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**Author:** ![Tester](https://sea1.discourse-cdn.com/cartalk/user_avatar/community.cartalk.com/tester/32/15976_2.png) [@Tester](https://community.cartalk.com/u/Tester)\
**Post date:** [May 6, 2019, 2:34am UTC](https://community.cartalk.com/t/crackling-sound-in-the-engine-compartment-2005-cadillac-sts/139799/3 "2019-05-06T02:34:35Z")

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Hope it’s not a timing chain guide breaking apart causing that noise.

Tester