# 2012 Jeep Grand Cherokee - Knocking

**URL:** <https://community.cartalk.com/t/2012-jeep-grand-cherokee-knocking/120924>\
**Category:** Maintenance/Repairs\
**Tags:** jeep\
**Created:** [July 13, 2018, 12:17am UTC](https://community.cartalk.com/t/2012-jeep-grand-cherokee-knocking/120924 "2018-07-13T00:17:36Z")\
**Posts on this page:** 4\
**Page:** 1

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**Author:** ![MercedesDegraff](https://avatars.discourse-cdn.com/v4/letter/m/7feea3/32.png) [@MercedesDegraff](https://community.cartalk.com/u/MercedesDegraff)\
**Post date:** [July 13, 2018, 12:17am UTC](https://community.cartalk.com/t/2012-jeep-grand-cherokee-knocking/120924/1 "2018-07-13T00:17:36Z")

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Car started knocking. Became more rapid when I acceleratedmlm my oil change is due

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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:** [July 13, 2018, 12:18am UTC](https://community.cartalk.com/t/2012-jeep-grand-cherokee-knocking/120924/2 "2018-07-13T00:18:48Z")

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I guess the question is have you checked the oil level ?

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**Author:** ![lesabre](https://sea1.discourse-cdn.com/cartalk/user_avatar/community.cartalk.com/lesabre/32/17221_2.png) [@lesabre](https://community.cartalk.com/u/lesabre)\
**Post date:** [July 13, 2018, 9:32am UTC](https://community.cartalk.com/t/2012-jeep-grand-cherokee-knocking/120924/3 "2018-07-13T09:32:18Z")

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\*\*that’s pretty bad a knock from inside the crack case , the only other knock is a sensor going bad \*\*

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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 13, 2018, 12:58pm UTC](https://community.cartalk.com/t/2012-jeep-grand-cherokee-knocking/120924/4 "2018-07-13T12:58:35Z")

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> [@MercedesDegraff](#):
>
> my oil change is due

I’d say your oil change is way overdue… It is likely your engine needs some major work. Knocking is very, very bad!