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Suspension Replacement (2008 Touring)

Discussion in 'Gen 2 Prius Care, Maintenance and Troubleshooting' started by KAR IDEA, Jun 13, 2017.

  1. KAR IDEA

    KAR IDEA Member

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    My front and rear suspension needs replacing. I am going to go to Mavis. They quoted me $700, and use Monroe shocks and struts. I know I need to replace them because my tires are wearing unevenly. I had a flat the other day, and when I put on the spare I found out why. See tire pics. I also experienced what I would describe as severe vibrations, anytime I crossed over 63 mph (worrisome, but a great massage). So soon the suspension, for now three new tires (one was 2 months old, I hit a curb and blew out the old one). Much better now, but if I don't replace the suspension, the same thing is going to happen again.
     

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  2. Jmack111

    Jmack111 Member

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    There's some thing bent like a tie rod or something very loose the car would be pulling hard to one side if it only one side damage both sides if still driving straight

    Posted via the PriusChat mobile app.
     
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  3. KAR IDEA

    KAR IDEA Member

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    Doesn't pull hard to either side, but gently to the left. Toyota has aligned the car a few times, but it takes a beating. I'm the original owner, and have been commuting to NYC with this car since I purchased it in 2007.
     
  4. windstrings

    windstrings Certified Prius Breeder

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    I agree, suspension may be throwing money away, it's front end tie rod bent most likely. Get your car driving straight then worry about suspension. Usually you don't have real suspension issues.

    They may be trying to rack up the bill.
     
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  5. KAR IDEA

    KAR IDEA Member

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    Hmmm, interesting idea. Thanks! Any advice on a tie rod replacement that isn't too expensive?
     
  6. KAR IDEA

    KAR IDEA Member

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    By the way, Toyota wanted over $1200 for the suspension, hence Mavis.
     
  7. Mavi

    Mavi Active Member

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    So for me the issue my wives car had wasn't the shocks, it was terrible alignment in the rear which I somewhat fixed using ezshims on both side until they were properly aligned. Changed the tie rods as well should help with the vibrations.
     
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  8. KAR IDEA

    KAR IDEA Member

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    Got it. Thank you Mavi.
     
  9. windstrings

    windstrings Certified Prius Breeder

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    I always figure a good mechanic that plays it straight is more expensive per hour but far cheaper since he doesn't try to replace everything under the gas cap!

    Whoever aligns your car may be able to also replace the tie rod if that's the issue.
    Always make them show you the bad part "Before " they get to start work.

    Alignment is so subliminal you're at their mercy but if you hit much at all in a prius you better get an alignment.

    They run forever but don't like hitting things.. Even small animals racoon, possum or bigger.
     
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  10. KAR IDEA

    KAR IDEA Member

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    I forgot to mention above that the car has also been making a humming noise from the front wheels. I figured it was a bad bearing (and I was right). Ok I took the car to a local mechanic yesterday, and today he called me to report his findings. The right front bearing is bad, just as I suspected. The car also needs an alignment. My suspension is fine, no leaks and everything is tight. Nothing is bent or out of whack. $600 to repair it all. I made an appointment for next Thursday. What do you think about that?
     
    #10 KAR IDEA, Jun 23, 2017
    Last edited: Jun 23, 2017
  11. JC91006

    JC91006 Senior Member

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    The humming is either from bad tires or a bad wheel bearing

    So I'm hoping they are right about the bearing
     
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  12. KAR IDEA

    KAR IDEA Member

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    The car has four new tires and it's definitely a bearing. It only makes the hum when the load is put on the right, like when turning left. Everything else checked out AOK. What I'd like to know is, why are Toyota, Mavis, and a few years ago a different mechanic flagging my struts? Then the mechanic I used today says no it's not the struts, it's out of alignment and your struts are fine. So I don't know what to do here. I was told by a friend to go get yet another opinion, but I'm kinda tired of driving around a broken car you know? I just want to get it fixed, and fixed right.
     
    #12 KAR IDEA, Jun 23, 2017
    Last edited: Jun 23, 2017
  13. Patrick Wong

    Patrick Wong DIY Enthusiast

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    The bad wheel bearing is not going to cause abnormal tire wear on multiple tires. Was the latest mechanic made aware of that problem?

    Start by replacing the bearing at minimum but you should also replace the front struts/rear shocks.
     
  14. KAR IDEA

    KAR IDEA Member

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    Yes, I know a bad wheel bearing is not going to cause abnormal tire wear.

    Yes, the latest mech was aware of the tire wear (I showed him the pics). I also told him I was hearing the hum/grind from the front and he diagnosed the hum as a bad right wheel bearing (confirming what I already knew), the struts are perfectly OK (no leaking, everything tight and proper), and that the tire wear is due to an alignment problem. When I dropped off the car, I left a note, which said I want to know what is causing the humming sound, and why my tire wore out like it did. I didn't tell him anything else, so as not to influence his diagnosis. He got back to me with: You need a new wheel bearing, and you need a front alignment. Shocks and struts are fine.
     
  15. Patrick Wong

    Patrick Wong DIY Enthusiast

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    Odometer reading?
     
  16. KAR IDEA

    KAR IDEA Member

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    Around 234,000.
     
  17. Patrick Wong

    Patrick Wong DIY Enthusiast

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    If you haven't replaced the struts/shocks before, they are way past due based upon mileage logged, unless you are going to tell me your local roads are in perfect condition.
     
  18. KAR IDEA

    KAR IDEA Member

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    Our roads are terrible!!! :LOL:

    Patrick, I know they are way past due (I've heard factory struts are good for 60,000 miles). But if they are not leaking, and still doing their job, then they do not need to be replaced. The car doesn't bounce up and down like a low rider. I'm actually amazed they aren't shot! Our roads are not perfect, and the car has taken some hard hits. I don't think I should replace them. I could replace them, but if the car needs an alignment and that fixes the tire wear issue, then I probably will not.
     
  19. edthefox5

    edthefox5 Senior Member

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    Oh there shot alright you haven't had any shock participation for about 150000 miles.
    They will not do the bouncy thing you mentioned either as the springs are very rigid. The bouncy thing is for shocks not struts. At your miles I wouldn't even bother replacing them as you seem to tolerate the ride
    Ok. At your miles you may see other things fail that are more expensive and more important than ride quality
    So save your money.
     
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  20. KAR IDEA

    KAR IDEA Member

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    UPDATE: On June 30, 2017 the car was diagnosed and worked on by a local mechanic (less than a 10 minute walk from my home). I'd been thinking about bring the car over there for over two years, but never bothered. I'm glad I brought it there. They said the suspension is fine, everything tight, nothing broken, no squatting and on a test drive it handled the road well, but pulled slightly left. The car was a 1/4" out of alignment, they adjusted it. They suggested I bring it back in 3K miles, so they could check my tires for uneven wear, which would indicate a suspension problem.

    Today August 23, about 5K miles later (I was 2K over due for the tire check but they did not scold me) I had them change the oil and check the tires. Everything checked out fine and dandy.
     
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