# 2015 Nissan Frontier “whump” when taking off and braking

**URL:** <https://community.cartalk.com/t/2015-nissan-frontier-whump-when-taking-off-and-braking/125768>\
**Category:** Maintenance/Repairs\
**Tags:** nissan, frontier\
**Created:** [September 26, 2018, 11:17pm UTC](https://community.cartalk.com/t/2015-nissan-frontier-whump-when-taking-off-and-braking/125768 "2018-09-26T23:17:24Z")\
**Posts on this page:** 3\
**Page:** 1

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**Author:** ![RickMachado](https://avatars.discourse-cdn.com/v4/letter/r/a698b9/32.png) [@RickMachado](https://community.cartalk.com/u/RickMachado)\
**Post date:** [September 26, 2018, 11:17pm UTC](https://community.cartalk.com/t/2015-nissan-frontier-whump-when-taking-off-and-braking/125768/1 "2018-09-26T23:17:24Z")

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Bought it used in 2017 w/39000 mi. When taking off from stop, there is a slight (whump) feel & sound as if something is a little loose. Then it is fine… also when coming to a stop sign, there it is again as described above. The driveshaft doesn’t seem to have excessive play in it… ?? What gives?

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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:** [September 27, 2018, 2:31am UTC](https://community.cartalk.com/t/2015-nissan-frontier-whump-when-taking-off-and-braking/125768/2 "2018-09-27T02:31:26Z")

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If you have a two-piece driveshaft, it could be those splines are sticking. Try giving the splined joint a lube maybe. Could be a play in the suspension problem too. When you take off from a stop the front of the car goes up and the rear goes down Visa versa when you come to a stop. Try hand rocking the truck at the four corners, pressing on the bumper.

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**Author:** ![Marnet](https://sea1.discourse-cdn.com/cartalk/user_avatar/community.cartalk.com/marnet/32/41_2.png) [@Marnet](https://community.cartalk.com/u/Marnet)\
**Post date:** [September 27, 2018, 2:47am UTC](https://community.cartalk.com/t/2015-nissan-frontier-whump-when-taking-off-and-braking/125768/3 "2018-09-27T02:47:13Z")

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I am not a mechanic, but what you describe reminds me of several times one of my cars had a broken motor mount.