2007 Saturn Aura front end suspension

Tiny
JMILLER6
  • MEMBER
  • 2007 SATURN AURA
  • 130,000 MILES
I have a 2007 Saturn Aura. I had a wobbly front end for about 6 months I finally saved enough to repair it. I replaced the rack and pinion steering, complete front strut assemblies with springs etc, front wheel hubs/bearings and alignment. It rides stright smooth and is 1000% better. So here is the continued issue. When I hit breaks it shakes. Possibly warped rotors? Also when I lay into the gas it will pull to left at times. Then when you turn left the right wheel feels like it rolls a little. What am I missing rotors? Ball joints or sway bar links
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have the same problem?
Yes
No
Thursday, June 6th, 2013 AT 6:46 AM

3 Replies

Tiny
CARADIODOC
  • EXPERT
The brake problem is usually caused by warped brake rotors. They can be machined as long as they will still be above the published legal minimum thickness. On most vehicles it's not real expensive to replace them but even new ones often warp in the first few months and need to be machined.

There's three things to look at for the alignment. The vehicle must go straight when you let go of the steering wheel. The steering wheel must be straight when driving straight ahead. Then there's tire wear. The first two you can check at any time. A change indicates a problem has just occurred. Tire wear can take a while to show up and not everyone knows how to "read" that wear. If "total toe" is not correct there will be excessive tire wear and the car will follow the tire with the most weight on it. That can cause a pull during acceleration, but a more common cause is a tire pull. The clue to a tire pull is the car will pull the other way during hard braking. To verify a tire problem, switch the two front tires side-to-side. The pull will go the other way, or in some cases the pull will be completely gone. If the pull goes the other way you can often just switch the tires front-to-back and leave them there.

There are other causes to a pull under acceleration that must be eliminated too. Worn lower control arm bushings are the most common. They will allow the spindle to move which changes the alignment.
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Thursday, June 6th, 2013 AT 12:40 PM
Tiny
JMILLER6
  • MEMBER
Thank you so much yes along with all repairs mentioned I also purchased 4 new eagle LS2. Yes if you let go of wheel it drives straight and smooth. No shake of steering.

Yes I brake is wobbles for lack of better terms. Under excelleration yes it feels loose and pulls. Rotors are simple enough I just bought new ones today with new ceramic pads I had these for my Cadillac srx and like them. I will change those and rotate tires. If that doesn't resolve I will go for arms. They are 21 for each lower control arm as the bushings are molded to arm and are sold as one piece. Let's see if this resolves it.
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Thursday, June 6th, 2013 AT 2:25 PM
Tiny
CARADIODOC
  • EXPERT
We don't like throwing parts at a problem. If the control arm bushings are worn your mechanic should have spotted them during the inspection but it depends on how the car was supported on the hoist. I'm hoping this is just a minor tire issue.
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Thursday, June 6th, 2013 AT 3:04 PM

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