# 2010 Cadillac CTS - pop-pop on cold start

**URL:** <https://community.cartalk.com/t/2010-cadillac-cts-pop-pop-on-cold-start/145444>\
**Category:** Maintenance/Repairs\
**Tags:** cts, cadillac\
**Created:** [July 28, 2019, 1:34pm UTC](https://community.cartalk.com/t/2010-cadillac-cts-pop-pop-on-cold-start/145444 "2019-07-28T13:34:42Z")\
**Posts on this page:** 3\
**Page:** 1

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**Author:** ![martyhall](https://avatars.discourse-cdn.com/v4/letter/m/f14d63/32.png) [@martyhall](https://community.cartalk.com/u/martyhall)\
**Post date:** [July 28, 2019, 1:34pm UTC](https://community.cartalk.com/t/2010-cadillac-cts-pop-pop-on-cold-start/145444/1 "2019-07-28T13:34:42Z")

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Timing chains just replaced still getting a po pop only on cold starts

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**Author:** ![Mustangman](https://sea1.discourse-cdn.com/cartalk/user_avatar/community.cartalk.com/mustangman/32/44130_2.png) [@Mustangman](https://community.cartalk.com/u/Mustangman)\
**Post date:** [July 28, 2019, 1:43pm UTC](https://community.cartalk.com/t/2010-cadillac-cts-pop-pop-on-cold-start/145444/2 "2019-07-28T13:43:44Z")

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Good for you?? What is a po pop?

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**Author:** ![Purebred](https://sea1.discourse-cdn.com/cartalk/user_avatar/community.cartalk.com/purebred/32/46796_2.png) [@Purebred](https://community.cartalk.com/u/Purebred)\
**Post date:** [July 28, 2019, 2:02pm UTC](https://community.cartalk.com/t/2010-cadillac-cts-pop-pop-on-cold-start/145444/3 "2019-07-28T14:02:28Z")

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I’m guessing you meant to type pop-pop.  
But, what did the shop that did the timing chain tell you?