how long should struts last?
So I have now 82k miles on my car and was wondering how long struts will usually last?
Bonus question: Is there a different/better way to test if they're still good other than pushing the car down on one corner and see how often it bounces back? My problem is that my springs are so stiff that the whole test really doesn't work... |
In California, I give them up to 50K in the northeast, on ice heaved, seldom repaired, former chariot trails, I give em about 15K and all the hematuria your body can handle.
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Hi Chris,
Here are some more things to look for in determining strut life: http://articles.cnn.com/2009-04-03/living/aa.shocks.strut.replacement_1_shock-absorbers-aol-autos-struts?_s=PM:LIVING As I had a chance to sit shotgun with you at Buttonwillow last year I have some observations: Your car felt pretty tight and planted in most corners, better than mine, but it sits pretty low in front and exhibits noticeable bump-steer due to the change in steering geometry. Eliminating bump steer would lead to smoother tight corners, better corner exit, and faster laps. At 82K your struts are probably not "optimal" and you would benefit by a fresh set along with a few hours with one of your NorCal suspension Gurus to really dial it all in. Just my 2 cents. |
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So far, clear as mud...
Is there an objective method to test the performance of the struts on the car so a comparison can be made between the used strut on the car and a new one? And how much degradation is acceptable? Everything else on a Porsche is specified within thousands of an inch, why not the suspension perfromance? |
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Rule of thumb: If your struts are bent, leaking, or you notice significant handling or tire wear problems, replace them. Otherwise they are probably still functional. |
Just for reference, I installed a RoW M030 kit on my 02 "S" model over this past weekend. I had 52k on the original struts, the last 20k approx were with H&R springs which I'm sure accelerated wear quite a bit as the struts were working at the bottom of the stroke and not valved for that. They were completely blown when I removed them, but they never leaked a drop of fluid. No doubt that there was no nitrogen left in them, or very little. I could literally push each front strut down to the stop with one hand. Car feels so much better now with actual rebound that works. While the H&R springs looked cool and initially tightened the car up, over time they were more of a hassle than anything else. I can actually take potholes and driveways without drama now!
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We are going out to the track this weekend and I expect to get spanked by him in his newly suspended car. :o Time to update myself?? |
Replaced mine at 54k because I wanted HD front, Sport rear, the ones I took off seem perfect.
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