# 07 grand prix rack/pinion help **URL:** \ **Category:** Maintenance/Repairs\ **Created:** [September 10, 2019, 10:32pm UTC](https://community.cartalk.com/t/07-grand-prix-rack-pinion-help/148506 "2019-09-10T22:32:32Z")\ **Posts on this page:** 11\ **Page:** 1
**Author:** ![Bob-Burnett](https://avatars.discourse-cdn.com/v4/letter/b/46a35a/32.png) [@Bob-Burnett](https://community.cartalk.com/u/Bob-Burnett)\ **Post date:** [September 10, 2019, 10:32pm UTC](https://community.cartalk.com/t/07-grand-prix-rack-pinion-help/148506/1 "2019-09-10T22:32:32Z")
2007 grand prix…ive replaced 2 power steering racks…the right rack pinion mounting bracket keeps breaking…have also replaced shock and spring on right side as well ---
**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:** [September 11, 2019, 1:15am UTC](https://community.cartalk.com/t/07-grand-prix-rack-pinion-help/148506/2 "2019-09-11T01:15:29Z")
There is a LOT you are not telling us. How can we help if you don’t tell us anything about your car and why the 1st rack was replaced. ---
**Author:** ![CapitalTruck](https://sea1.discourse-cdn.com/cartalk/user_avatar/community.cartalk.com/capitaltruck/32/16592_2.png) [@CapitalTruck](https://community.cartalk.com/u/CapitalTruck)\ **Post date:** [September 11, 2019, 1:20am UTC](https://community.cartalk.com/t/07-grand-prix-rack-pinion-help/148506/3 "2019-09-11T01:20:09Z")
Was your car in an accident at any time? ---
**Author:** ![Tester](https://sea1.discourse-cdn.com/cartalk/user_avatar/community.cartalk.com/tester/32/15976_2.png) [@Tester](https://community.cartalk.com/u/Tester)\ **Post date:** [September 11, 2019, 1:29am UTC](https://community.cartalk.com/t/07-grand-prix-rack-pinion-help/148506/4 "2019-09-11T01:29:47Z")
If the vehicle has the GM Magna-steer, look for a power steering pump/pressure solenoid malfunction. Tester ---
**Author:** ![Bob-Burnett](https://avatars.discourse-cdn.com/v4/letter/b/46a35a/32.png) [@Bob-Burnett](https://community.cartalk.com/u/Bob-Burnett)\ **Post date:** [September 12, 2019, 6:38am UTC](https://community.cartalk.com/t/07-grand-prix-rack-pinion-help/148506/5 "2019-09-12T06:38:43Z")
Oh sorry…i hit a bad pothole…it sheered the rack mount off…have replaced this rack 2x…still breaking the same mount bracket…right at the weld…even replaced the strut and spring on that side…still didnt help…dont know. Stumped…thinkin of getting one from salv yard…cheaper and its oem…worth a shot i guess…thanks for your help. ---
**Author:** ![Bob-Burnett](https://avatars.discourse-cdn.com/v4/letter/b/46a35a/32.png) [@Bob-Burnett](https://community.cartalk.com/u/Bob-Burnett)\ **Post date:** [September 12, 2019, 6:41am UTC](https://community.cartalk.com/t/07-grand-prix-rack-pinion-help/148506/6 "2019-09-12T06:41:35Z")
Well car was a gift from an older lady…I hit a bad pothole at around 50mph…so i guess you could call that an accident…thanks for your help ---
**Author:** ![Bob-Burnett](https://avatars.discourse-cdn.com/v4/letter/b/46a35a/32.png) [@Bob-Burnett](https://community.cartalk.com/u/Bob-Burnett)\ **Post date:** [September 12, 2019, 6:42am UTC](https://community.cartalk.com/t/07-grand-prix-rack-pinion-help/148506/7 "2019-09-12T06:42:56Z")
Would that cause the right rack mount to break? ---
**Author:** ![Bob-Burnett](https://avatars.discourse-cdn.com/v4/letter/b/46a35a/32.png) [@Bob-Burnett](https://community.cartalk.com/u/Bob-Burnett)\ **Post date:** [September 12, 2019, 6:45am UTC](https://community.cartalk.com/t/07-grand-prix-rack-pinion-help/148506/8 "2019-09-12T06:45:43Z")
Has 110000 miles…i havent seen evidence of any bent suspension parts…cant think of anything else ---
**Author:** ![Cavell](https://sea1.discourse-cdn.com/cartalk/user_avatar/community.cartalk.com/cavell/32/43396_2.png) [@Cavell](https://community.cartalk.com/u/Cavell)\ **Post date:** [September 12, 2019, 2:28pm UTC](https://community.cartalk.com/t/07-grand-prix-rack-pinion-help/148506/9 "2019-09-12T14:28:27Z")
rack is mounted to the ears on the subframe. you can lower subframe slightly to reach bolts to make rack replacement easier. the frame is steel. the rack is cast aluminum. how tight are you bolting this rack down? sounds like the mounting tab/ears are not where they should be ---
**Author:** ![Bob-Burnett](https://avatars.discourse-cdn.com/v4/letter/b/46a35a/32.png) [@Bob-Burnett](https://community.cartalk.com/u/Bob-Burnett)\ **Post date:** [October 7, 2019, 12:48am UTC](https://community.cartalk.com/t/07-grand-prix-rack-pinion-help/148506/10 "2019-10-07T00:48:30Z")
Im just tightening till its really tight.didnt torque it. ---
**Author:** ![Bob-Burnett](https://avatars.discourse-cdn.com/v4/letter/b/46a35a/32.png) [@Bob-Burnett](https://community.cartalk.com/u/Bob-Burnett)\ **Post date:** [October 6, 2019, 8:27pm UTC](https://community.cartalk.com/t/07-grand-prix-rack-pinion-help/148506/11 "2019-10-06T20:27:22Z")
Replaced rack pinion x2…broke rack mount after hitting pothole.replaced it it broke again at exactly same place without hitting anything…so in thinkin the subframe or something is bent…any i deas?Oh sorry. My car is a 2007 grand prix with 110000 miles…the car was a gift…dont really know any more than that…