# Feels like driving on a graded rd

**URL:** <https://community.cartalk.com/t/feels-like-driving-on-a-graded-rd/63641>\
**Category:** Maintenance/Repairs\
**Tags:** nissan, frontier, timing-belts\
**Created:** [April 12, 2011, 2:37pm UTC](https://community.cartalk.com/t/feels-like-driving-on-a-graded-rd/63641 "2011-04-12T14:37:39Z")\
**Posts on this page:** 1\
**Page:** 1

<div class="post-metadata">

**Author:** ![dcarr4285](https://avatars.discourse-cdn.com/v4/letter/d/45deac/32.png) [@dcarr4285](https://community.cartalk.com/u/dcarr4285)\
**Post date:** [April 12, 2011, 2:37pm UTC](https://community.cartalk.com/t/feels-like-driving-on-a-graded-rd/63641/1 "2011-04-12T14:37:39Z")

</div>

help! 2005 Nissan Frontier Nismo…81000 just had timing chain replaced. reg oil changes and maintenance. When RPMS change, it runs rough and its loud like you’re driving over a graded rd. Once it shifts, its stop. Ideas?