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22
votes
7answers
105k views

Is it safe to drive a car that has a broken suspension spring?

Yesterday I was driving home from work and heard a loud noise which I can only really describe as a "clang". After looking at it today, it looks like the spring for the front left (passenger side) ...
15
votes
2answers
861 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 ...
6
votes
3answers
18k 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 ...
6
votes
1answer
851 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 ...
6
votes
1answer
69 views

Why are shock absorbers in wishbone suspension systems mounted on the lower control arm?

Is there any particular reason (relating to the sprung mass) for having this kind of setup? I am yet to see a wishbone suspension with the shocks on the UCA.
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 ...
2
votes
1answer
264 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 ...
2
votes
1answer
3k 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 ...
1
vote
1answer
115 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
59 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?