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11
votes
2answers
298 views

Why did Ducati decide to use the desmodromic valve train rather than a more tradition valve train?

Ducati's use a unique method to open and close their valves. It's called the desmodromic valve train. The desmodromic valve system does not use springs to close the valve, it uses the cam and has a ...
1
vote
1answer
57 views

How do I stop my shock spring from rubbing?

I replaced the passenger side front shock on my 2009 Mazda 5 almost a year ago. It has been making noises, and upon inspection I see the coil is rubbing on the nearby metal. I don't know how to ...
1
vote
2answers
46 views

New struts on a 2000 model year car with 225k miles, replace coils?

Should the suspension coil springs be replaced on a Toyota Celica that is 15 years old and has 225k along with the struts or do the coils never really go bad? How about the top bearing plate?
3
votes
1answer
553 views

Do springs wear out?

I will be replacing the struts and shocks on my car soon. I did them last about 80000 km ago, but at that time I did not replace the springs. Do springs wear out over time? Should I replace them ...
2
votes
1answer
228 views

Rear suspension much more sensitive to bumps than front

Whenever I drive over speed bumps (or pot holes or whathaveyou) I notice that when the rear wheels go over, the whole car jumps up and down and clatters, a lot more so than the front wheels. I am ...
3
votes
1answer
15k views

If one coil spring needs replacing, do I need to replace both?

I just had my car serviced and they discovered that the front, near side coil spring is "incomplete" and needs replacing. I'm getting conflicting advice about whether I need to replace both front ...
1
vote
1answer
2k views

How to determine the compressed height of a spring?

I am looking at replacing the springs on my vehicle and am trying to get stiffer springs while avoiding a major change in ride height. With my vehicle, one of the old common ways to do this was to ...
2
votes
3answers
3k views

How do I silence squeaky springs on a 2006 VW Golf?

I have a 2006 VW Golf and my front two springs are squeaky like bedsprings. I have tried spraying them down with WD40 but it doesn't help. Some seasons they are quiet other times (I believe more in ...