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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17
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6answers
82k 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) ...
11
votes
3answers
1k 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 ...
10
votes
2answers
43 views

Do I need to replace both front struts if one is OK

I have a car that is 7 years old and unfortunately hit a curb which bent the front strut on the drivers side. Do I need to replace both struts? Or just the damaged strut? It is similar to this ...
10
votes
4answers
14k views

How to diagnose high speed vibration?

I get a vibration at high speeds (50+), can feel it particularly in the steering wheel, front seats, dashboard. I have been trying to figure out what's going on, keeping in mind that: All 4 shocks ...
9
votes
3answers
323 views

How Urgent is it to Replace Worn Out CV Boots

I recently noticed that what I think are the inner CV boots on my 99 Nissan Almera have started coming apart: They were still in one piece this past August when I took the car for inspection, so ...
9
votes
2answers
700 views

What bolt is a replacement for the front sway bar bolts on a 2004 Subaru WRX wagon?

In replacing my worn-endlinks recently with lovely Kartboy pieces, I noticed that I had a seized bolt in one of the rear links. I was able to get a short-term replacement until I order a new Kartboy ...
8
votes
2answers
667 views

Motorcycle chewing through too many front tyres

I have a Y2K Triumph Speed Triple that has an excessive appetite for front tyres. It eats two front tyres for each rear tyre. This is reverse what it should be. I run the tyres at about 38 PSI and ...
8
votes
1answer
40 views

How do I get the sway bar link to line up with new strut and spring?

I am swapping the struts and sway bar links on a 2006 Toyota Sienna AWD. I got the first strut in place and started to put the sway bar link on but it does not want to line up with the mounting hole ...
7
votes
4answers
1k views

Car pulls to right when letting go of accelerator?

I'm driving an old Grand Voyager minivan temporarily, and notice that when I accelerate then let go of the accelerator, the car pulls slightly to the right, and I have to correct it by steering a ...
7
votes
2answers
2k views

Do I Need to Compress the Springs to Install Strut Tower Braces?

I have a '99 Maxima. I am considering installing strut tower braces. In order to do so, would I need to get spring compression tools to hold the springs on the struts, or will the weight of the car ...
7
votes
4answers
9k views

Is it better to drive across a speed bump at a right angle or slightly skewed?

I'm wondering if it is better for your suspension to drive across a speed bump at a right angle (so that the two front tires and the two rear tires hit the bump at the same time, respectively), or at ...
7
votes
4answers
2k views

Alignment is out of spec a tad - should I worry?

So I bought new tires recently for my 2002 Nissan Sentra and wanted to make sure that my alignment would not eat them up. Even though effectively my entire suspension/axle system was overhauled ...
7
votes
1answer
31 views

Displacement sensors for car wheel and datasheets

Probably title says it all, but I am on my design work for car suspension and cannot find a good displacement sensor for each of the wheels of the car. I tried to look up for accelerometers, which can ...
7
votes
1answer
44 views

How Important Are the Rear Shocks / Struts

When people talk about changing the shocks or struts, it's usually the front ones due to comfort, handling and safety reasons. But what about the rear ones? How much of a problem are worn out rear ...
7
votes
0answers
31 views

1968 Beetle Front Shocks (Koni)

What are the correct size Koni front shocks for a 1968 Beetle at stock height? I purchased the (red) Koni D 80-1787 which Koni's site recommended as a stock shock replacement. My mechanic says ...
6
votes
3answers
499 views

Trying to figure out the name of this car part!

I got new tires today and saw that the part that's circled is broken on my car. It looks like it just snapped at the top because part of the bolt appears to still be in whatever the tube is. Anyone ...
6
votes
4answers
273 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 ...
6
votes
1answer
55 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 ...
6
votes
2answers
123 views

1988 Jeep Wrangler - How do I do a DIY alignment?

Have a friend with a '88 YJ. He wants us to tackle an alignment job on it. It's pulling to the right. We can see the rear axle is not aligned and tire rubs on one side. It looks like it might be ...
6
votes
1answer
83 views

Load on bed of pickup for extended period of time

I just got a Toyota Tacoma 2012 Sport long bed. I'm an artist and I make driftwood horse sculptures. I have two horses on the bed of the truck currently which comes to about 500 lbs. I intend to ...
6
votes
1answer
26 views

Identifying Suspension Parts on my Mazda 626

This is a continuation of my question regarding What to Check When Replacing Struts, but specific to my 98 Mazda 626 2L. I want to make sure: I've correctly identified the parts What is their ...
6
votes
1answer
32 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, ...
5
votes
2answers
157 views

GSX-R front suspension technology timeline

I have noticed that people frequently choose the GSX-R front end for a front end conversion on old bikes to improve handling and comfort. The GSX-R was produced from 1985 through the present, and I'm ...
5
votes
2answers
172 views

How to replace balljoint?

Out of curiosity, how does one go about replacing the balljoints in a car? Specifically the rear toe arms from a 1995 Mitsubishi Eclipse? I've got a set of good condition rear arms that have suspect ...
5
votes
2answers
3k views

Replacing front struts on a 2006 Hyundai Sonata

I want to replace the front strut shocks on my 2006 Hyundai Sonata and I'm not sure if I'll need a spring compresser to do this. I have searched the internet for an answer to this question and I ...
5
votes
2answers
1k views

How to improve suspension on my 2005 Volvo S60?

I recently purchased a 2005 Volvo S60. The car runs great, but I've discovered that the suspension feels a bit stiff. When I go over a bump, I get shaken up a lot more than I do going over bumps in ...
5
votes
1answer
29 views

What Front End Work Requires an Alignment Afterwards

What Front End Work Requires an Alignment Afterwards and in what case can you take measure to avoid having to do an alignment? For example the Haynes manual says you can mark the strut mount and the ...
5
votes
1answer
1k views

What could be causing this bouncing?

I recently took my car to my mechanic for a mandatory inspection for registration. The car is a 2000 Hyundai Elantra. It needed a bit of work to pass and they did the following: replaced one wheel ...
5
votes
1answer
159 views

Rust underneath rear of car (Toyota Mk1 MR2)

I have recently acquired an old (1989) Mk1 Toyota MR2 and took a few photos of the underside rear of the vehicle. There seems to be a fair amount of rusting on the rear axle and gear box: gear ...
4
votes
2answers
5k views

2001 Honda Civic: rough ride, even after new struts

My 2001 Honda Civic has what I can only describe as a "rough ride" in the front wheels. When I put my foot on the brake pedal (not pressing on it), there's a roughness there I can feel. It's less at ...
4
votes
2answers
2k 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. ...
4
votes
2answers
959 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 ...
4
votes
2answers
178 views

Offroad Kit - Are the brakes replaced?

I have a 2000 Ford Ranger that a previous owner modified by adding an offroad kit to it. I don't have a picture of the suspension system at the moment, but this one is pretty close in terms of wheel ...
4
votes
3answers
2k views

Rough ride on LL Bean Subaru, are the struts the cause?

I have a 2004 LLBean with 88,000 miles on it. It rides worse than my old 2001 limited. The ride is hard. I was told that as long as the struts are not leaking oil, they are fine. Is this true? I ...
4
votes
1answer
45 views

Coil Spring Load and Ride Quality

Is there a difference in coil spring load between different engine options for the same model truck? For example, I have a 1993 C1500 with a 5.7L. Can I use coil springs from another 1993 C1500 but ...
4
votes
4answers
10k views

Clanging in back of Mazda 3

I have a 2007 Mazda 3 sedan with ~100,000 miles on it (it's the 2.0L version). Last October, I noticed a significant clanging noise that was coming from the rear of the vehicle whenever I went over ...
4
votes
1answer
35 views

Wheel Positioning - Camber and Toe

I have a baseline of information regarding camber and toe. Why would I add more or less camber to my wheel unless I'm a NASCAR drivier making only left hand turns and want better traction for that ...
4
votes
1answer
332 views

Do the front wheels turn a little bit on potholes and bumps?

I just replaced the inner and outer tie rods on a vehicle, and some time later was thinking about the linkage. I don't recall if the inner ball joint was at the same location as the inner suspension ...
4
votes
2answers
5k views

Host of small performance problems in 2006 Hyundai Elantra

I bought a used 2006 Hyundai Elantra (Automatic) back in early 2011. At the time, I was needed to have a car quick, and it seemed like a good deal, but the longer that I've owned it, the more problems ...
4
votes
3answers
2k views

Removing badly rusted and broken bolt from suspension

I'm stuck trying to replace the rear lower control arms on my 92 Civic. One of the bolts was broken, and while I've now gotten the old arm off by taking a Dremel to the bushing and bolt, part of the ...
4
votes
1answer
549 views

What can be done about noisy spring seats?

On a MacPherson strut car, sometimes the springs of the front suspension will bind in their seats, and when turning the wheel sharply at low speed (or at a standstill) you end up with a kind of "bung, ...
4
votes
1answer
711 views

2008 Jeep Wrangler - Suspension squeaks

The suspension on my 2008 Jeep Wrangler squeaks when I hit a low spot (maybe 4-6" from the grade), even at slow (<10 mph) speeds. Where can I lubricate or what should i check to eliminate this ...
4
votes
1answer
75 views

Differences between pullrod and pushrod suspensions - Pro's and Con's

Can someone please explain the differences between a pullrod and pushrod suspension and provide the pro's and con's of each configuration? Typically these suspensions are used on open wheeled ...
4
votes
1answer
78 views

Fork tube seals Suzuki sv650

So I recently inherited a 2002 Suzuki sv650... It was garage kept for about 6 years and needs some love. I noticed that the rubber seals on top of the fork shock tubes won't stay with the tubes... ...
4
votes
1answer
65 views

What's wrong with worn-out suspension?

I'm about to buy an RV from a friend. I've never bought any kind of vehicle before, and I know nothing about cars except through web searches. But I do have a grad-level physics education and some ...
4
votes
1answer
28k views

How to tell if the Control Arm is bad too, or just the ball joint

I have a 1997 Ford Expedition 4WD truck that has a LOT of wiggle on the front left tire. I'm assuming that this is caused by a bad ball joint. Is that a safe assumption to make? Assuming that it is, ...
4
votes
2answers
2k views

MacPherson strut lower control arm ball joint play and suspension geometry

So I've replaced this ball joint and still get play going over bumps and with the steering wheel turned all the way to one side or another-- you can rock the wheel and get about 15 degrees of play ...
4
votes
1answer
176 views

Acura TL 2001 squeaking noise

Worried student here! I bought an Acura TL 2001 about 7 months ago and the car was mechanically sound. About a month and a half ago i started to hear a squeaking noise. The noise only occurs when the ...
4
votes
1answer
177 views

Front wheels have different camber after suspension replacement

I recently got my vehicle's front right suspension replaced by some mechanics. Before driving off from the mechanics I had a look at the front and noticed that the right wheel (driver's side) has the ...
4
votes
1answer
144 views

How to improve suspension on my bike TVS Star City 110 CC 2012 Model

I ride a TVS Star City 110 CC 2012 Model bike weighing 109 Kgs. I am feeling uncomfortable with the bike suspension. When I checked with my mechanic, he said it is fine. I can feel it is jumping even ...