Questions tagged [suspension]

Suspension is the term given to the system of springs, shock absorbers and linkages that connects a vehicle to its wheels. -Wikipedia

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2answers
2k views

Creaky / Banging sound when going over bumps

I have a 2001 Hyundai Sonata, it is making a "creaky" or "metallic banging" sound when I go over bumps. The sound is coming from the right rear wheel area, is this a bad strut? When I push on that ...
11
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3answers
31k views

What are the advantages of upside down forks?

Recently, I have come across many bikes which have upside down front forks. From browsing around the internet, I was not able to get a concrete answer for why it is preferred over conventional ...
7
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4answers
617 views

What is a shock absorber?

I was told that I need to replace the shock absorber in my 1992 316i BMW. When I attempt to visit a web site to order the part it does not list any of parts with this name. I know nothing about cars ...
25
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7answers
263k 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) ...
8
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4answers
4k views

“Always Replace” (torque-to-yield) Bolts

I'm working on a VW Jetta and have pulled one of the suspension ball joints to replace a drive shaft. The three bolts holding the ball joint to the lower control arm are marked in the Bentley service ...
5
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1answer
7k views

How to diagnose “Creaking” / “Scraping” sound when entering parking lots?

My drive to work involved entering a lot that has a fairly steep grade compared to the pavement. As such, in low riding vehicles, you need to enter it fairly slowly. The thing is, recently, I can ...
1
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3answers
3k views

Can lowering springs make the car handle worse?

Can lowering springs make the car's handling worse by lowering the center of gravity? I have heard the statement that the suspension geometry can be off with the lowered springs and thus actually ...
11
votes
1answer
5k views

Motorcycle Speed Wobble - How do I figure out the problem?

I have a 2005 GSXR 600. I took it for a test drive and the head shakes around 65mph or so and then goes away when I go past that. It's worse when I'm slowing down without the front brake. When I ...
15
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3answers
9k views

What are the Advantages of a Single Side SwingArm on Motorcycles?

I have noticed that Ducatis , Honda and Triumph have bikes with a Single Sided SwingArm Much like most of the scooters. Are there any advantages of following this design , if so why are not all ...
9
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3answers
615 views

Magnetic Active Suspension or Magnetorheological Damper

GM developed magnetic dampers for the Corvette several years back. What is magnetic active suspension and how does it work? I understand there is a magnetic fluid in the shocks but how, deep down, ...
1
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3answers
11k views

Shake while braking at certain speeds, intensified with steering input

150k miles 2.0l gas mkIV Jetta, 5-speed manual. Braking at speeds of around 40mph down to 20mph there is shake in steering and overall jerky stopping. If slight steering is added(say gentle off-ramp-...
10
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3answers
2k views

How did luxury cars provide smoother rides without active suspensions?

It seems all luxury cars have active suspensions now, so it's not a fair comparison to "non-active" cars. But I was recently driving a mid-2000 Mercedes E-class over the same roads I normally travel ...
7
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1answer
3k views

What makes a worn car shock spongy and soft?

I'm unfamiliar with car shocks. In motorcycles many rear shocks are charged with nitrogen which acts like a spring. I've seen motorcycle shocks that I've rebuilt have the correct amount of nitrogen ...
7
votes
3answers
49k 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
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2answers
2k views

Why do vehicles handle better with heavy loads? [closed]

Inspired by comments here: I'm not the only one who has experienced an improvement in ride and road-feel with a heavily-laden vehicle. I'm recalling a long drive I made a decade ago in my otherwise ...
5
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3answers
361 views

Questions About the “Death Wobble”

I have a 1999 Jeep Wrangler (4 cyl) that has been infected by the infamous "Death Wobble". If this term is too slang then here is an article that can explain it better than I could hope to. I would ...
4
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1answer
25k views

Consequences of failing to replace bad struts and sway bar bushings

My car is kind of a beater and I don't want to pour money into it. Apart from a bumpy ride, is anything really bad going to happen if I don't replace these parts? For example, will this put a ...
4
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2answers
21k views

Bent front fork on a bike

There's a previously owned 2009 YAMAHA FZ16-S that I'm thinking of picking up. It has a slightly twisted and bent fork (plausibly caused by an accident). It's only apparent when you ride it for a bit. ...
3
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1answer
278 views

Aftermarket Pneumatic Suspension - Pro's and Con's

I am trying to estimate the feasibility of installing an after market pneumatic suspension (called sometimes air bags suspension?) for a VW Tiguan. The Touareg, for example, has a factory optional ...
3
votes
1answer
70 views

What brand of front shocks would you recommend for 2004 Cadillac Escalade 2WD? [closed]

I have a 2004 Cadillac Escalade 2WD V8 5.3L (215K miles). I'm looking at replacing the front shocks myself, and was wondering how to intelligently select a good replacement for them?
2
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1answer
2k views

What to do about this rust on trailer wheel, suspension and part of axle?

I'm working on my 9 year old box trailer (a Lynton Loadtrekker), replacing the rotten plywood floor. There is some rust - see the pictures below. I think this is a torsion bar suspension system (...
2
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3answers
2k views

Front End Alignments

I recently had my vehicle in for a front end alignment. They told me all of my shocks were bad, causing all of the problems, and that they would not be able to align the front end with those bad ...
2
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1answer
2k views

Rumbling noise on sharp left turns

When I do a sharp left turn (like in runabouts or hairpin turns) I hear a rumbling noise (a grumbling sound, often also like rubber rubbing against metal) from the front of my car, also I can feel a ...
1
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3answers
119 views

How do I prevent bushing wear and what parts besides the suspension uses bushings?

I just did my upper control arm bushings on my Honda because it's lowered and I have an aftermarket control arm with camber adjustments. The wheel would pinch inward and send me toward the roadside. ...