# Hammering or knocking noise after braking

**URL:** <https://community.cartalk.com/t/hammering-or-knocking-noise-after-braking/91581>\
**Category:** Maintenance/Repairs\
**Created:** [October 29, 2015, 9:53pm UTC](https://community.cartalk.com/t/hammering-or-knocking-noise-after-braking/91581 "2015-10-29T21:53:55Z")\
**Posts on this page:** 4\
**Page:** 1

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**Author:** ![kmp509](https://avatars.discourse-cdn.com/v4/letter/k/f0a364/32.png) [@kmp509](https://community.cartalk.com/u/kmp509)\
**Post date:** [October 29, 2015, 9:53pm UTC](https://community.cartalk.com/t/hammering-or-knocking-noise-after-braking/91581/1 "2015-10-29T21:53:55Z")

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So, I have a bit of a confusing problem. My car makes a series of about 6 hammering sounds that come from the rear of the car–only after coming to a complete stop. It only happens after I’ve reversed out of a parking spot (not if I go out forward) and it only happens when I’ve come to a complete stop the first time, it doesn’t knock at any other time.

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**Author:** ![VOLVO-V70](https://avatars.discourse-cdn.com/v4/letter/v/8e8cbc/32.png) [@VOLVO-V70](https://community.cartalk.com/u/VOLVO-V70)\
**Post date:** [October 29, 2015, 11:37pm UTC](https://community.cartalk.com/t/hammering-or-knocking-noise-after-braking/91581/2 "2015-10-29T23:37:59Z")

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Type of vehicle-what transmission- age of vehicle-

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**Author:** ![common-sense-answer](https://sea1.discourse-cdn.com/cartalk/user_avatar/community.cartalk.com/common-sense-answer/32/716_2.png) [@common-sense-answer](https://community.cartalk.com/u/common-sense-answer)\
**Post date:** [October 29, 2015, 11:45pm UTC](https://community.cartalk.com/t/hammering-or-knocking-noise-after-braking/91581/3 "2015-10-29T23:45:53Z")

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**_@kmp509  
You Forgot To Introduce Your Car!  
Some Problems & Solutions Relate To Specific Vehicles.  
Please Tell Us Make, Model, Model-Year, And Approximately How Many Miles Are On It.  
Thanks, CSA_**

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**Author:** ![George\_San\_Jose1](https://avatars.discourse-cdn.com/v4/letter/g/e5b9ba/32.png) [@George\_San\_Jose1](https://community.cartalk.com/u/George_San_Jose1)\
**Post date:** [October 30, 2015, 3:44am UTC](https://community.cartalk.com/t/hammering-or-knocking-noise-after-braking/91581/4 "2015-10-30T03:44:12Z")

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Sounds like a rear suspension problem, unless it is something inside the car rattling around, like the spare tire or jack.

When you come to a stop going backward, the rear of the car moves downward, and the front moves upward. That’s not the usual pattern as usually you come to a stop moving in the forward direction. So it isn’t that unusual y9ou’d hear a sound then but not going forward. Ask your shop to put the car on a lift and look for loose suspension components, bushings, strut mounts, etc.