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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3
votes
1answer
1k views

Can you identify this Jaguar rear end?

Can you identify what type of Jaguar rear end this is and the model year?
3
votes
1answer
143 views

Which is the offside link arm on my suspension?

In the last service on my 2010 Mercedes E-Class Cabriolet, the mechanic noted "offside link arm ball joint and nuts worn (Facing upward)". I may replace it myself, but I'm not certain which arm they'...
3
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1answer
858 views

Noise over bumps

My car (Volkswagen Jetta 2008 at 90k miles) makes noise like an old mattress springs right after going over a bump. I know I can put WD-40 to see if the noise goes away but there are dozens of smaller ...
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0answers
146 views

Discover 100 T nitrox shock absorbers replacement with other modals/ brands

I have a Bajaj Discover 100T with nitrox shock absorbers. The nitrox shock absorbers are not working and I need to replace them with a Bajaj or other brand but not with the current Discover 100T OEM ...
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0answers
501 views

Fork oil for Suzuki GSXR 155 Naked

I want to change the fork oil on a Suzuki GSXR155. Which fork oil should I use? The suspension is not working and the handlebar is vibrating while riding on speed brakers, off road drives.
4
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1answer
196 views

Bolts vs. rivets for securing swing arm rubber bushing mount

The rear swing arms on my car have the mount for the rubber bushings riveted to the arm. It is a pain in the neck to replace the bushings, since you need to bring the whole arm to the rubber workshop. ...
6
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2answers
679 views

Diagnosis on thumping noise from the front

I need a bit of help on diagnosing the source of a rumbling noise. For several weeks I hear a rumble (one or two thumping's) from the front of my car when I do a sharp right turn (90°) in moderate ...
5
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1answer
65 views

Why do hydropneumatic suspensions need hydraulics?

According to wikipedia, A hydropneumatic system combines the advantages of two technological principles: Hydraulic systems use torque multiplication in an easy way, independent of the ...
4
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1answer
4k views

Knock in driver's side front suspension when reversing out carport and driving down driveway

Something in my driver's side front suspension has a brief knock sound emanating from it and almost feels like some joint or fastener has play in it a small amount when the knock sound is heard. ...
5
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1answer
5k views

Uneven front tyre wear & steering wobble

I've had my BMW E92 2008 for almost 12 months now, from purchase I've noticed that it likes to chew through the edges of tyres and figured (and was told) that it needed a wheel alignment. I was ...
5
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2answers
719 views

What is unsprung weight and why minimize it?

I did not see any question directly about unsprung weight. What is unsprung weight? please give a detailed description of what accounts for unsprung weight and how it differs from sprung weight. ...
13
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2answers
1k views

Discovered disconnected part when removing wheels

I have a 2006 Honda Civic and was changing my summer tires for winter tires. When removing the wheels I noticed behind 2 of the 4 wheels that what is shown in the middle of this picture was ...
7
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2answers
2k views

Replacing only one front strut?

I drive a 2014 Corolla LE and recently had my right front shock strut and stabilizer bar link replaced under warranty. Currently the car has 20300 miles on it. Questions: Steering-weight seems ...
1
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1answer
597 views

Broken coil spring

My car is a 5 1/2 years old Nissan Note with 42k miles on it. It has only driven 6000 miles since its last MOT. It is serviced every year. I recently took my car to get 2 new tyres and asked for the ...
5
votes
1answer
470 views

Bouncing rear wheels during burnouts and powerslides

In my '91 Porsche 911 (RWD), it's fairly easy to do burnouts and powerslides, especially in the wet. (I know it's childish and all, but I still think it's quite fun, so the occasional powerslide when ...
9
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3answers
1k views

How to demonstrate that rear shocks are failing?

I replaced the front shocks on a 2011 Toyota, but still getting excessive body roll. The extended warranty will cover rear shocks, but I have to somehow provide evidence that the rear shocks are ...
5
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1answer
71 views

Do good shocks have any oil below the top half?

Is oil below the top half of shocks indicative of failure, or is it supposed to be visible? One repair tech said that any oil below the top half of a shock indicates failure. Another repair tech ...
11
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2answers
5k views

Reusing self locking nuts

I am in the progress of doing some work on the suspension. Can I reuse the nuts on the bolts holding critical parts (struts, tie rod, etc.) if I clean the threads and apply thread locker? My aim with ...
1
vote
1answer
36 views

2008 Volvo Bushings & Sway arms rattling

On May 6, 2016, Volvo recommended Replacing: both Control Arms due to Front & Rear Bushings torn/broken; both Sway Bars which are worn out & rattling. I didn't have work done. Now, when I ...
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3answers
1k views

Spring tensioner safety

I recently ordered this tool kit at an extremely reduced price. While I am confident about the general quality of those tools I am quite reserved about the spring tensioner included in the kit. In ...
3
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1answer
298 views

Repair or live with 1996 Lincoln Continental Check Ride Control

I've had the opportunity to drive around a 1996 Lincoln Continental before I purchase it (or another car) and it runs great except that the rear air bags have a slow leak and the Check Ride Control ...
2
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1answer
472 views

Adaptive air suspension problems

Adaptive air suspension on 2005 Audi A8 is slam to the ground only in the front what should I do?
6
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4answers
6k views

Should I replace the ball joints or the tie rods first?

I have a 2000 Ford Taurus and I need to replace the ball joints, and the inner and outer tie rods. Money being tight, I only have enough for one and I'm going to pay to have it done. What should I do ...
2
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3answers
828 views

Repair or replace steering knuckle?

I have a 2005 Chevrolet Suburban 1500 LS that needed new lower ball joints. I have had a very difficult time removing the steering knuckle from the ball joint. I tried penetrating lubricant, hitting ...
3
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2answers
1k views

10mm allen wrench is too small 11mm is too big

A part on my recently purchased suspension called for a 10mm allen wrench in the instructions. Despite the allen key seeming to be too small, I tried it anyways and of course sheared the inside of the ...
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 ...
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 ...
6
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4answers
1k views

What tire size will provide a softer ride and less oversteer?

I am currently tasked with replacing the tires on my grandparents 07 Jeep Wrangler X with a 225/75/16. To preface this, it will never go offroad! My mom drives my grandma around on Sundays to the mall ...
2
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1answer
3k views

Installing Moog stabilizer / sway bar links on 2002 Ford Focus

I am installing both front sway bar links on my 2002 Ford Focus SE wagon. I ordered a pair of "MOOG K80066 Stabilizer Bar Link Kits". They did not come with any instructions, and I am totally new to ...
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 ...
4
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0answers
34 views

Rough Undercarriage Ride

On my '09 Nissan Titan I get a rough rumbling ride/sound from undercarriage when I get to 40 mph. I have lots of rust issues underneath and lots around the rear drive shaft. Worried that the drive ...
7
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2answers
85k views

Thumping/Knocking noise coming from the rear (suspension?)

As of lately my car started to make thumping/knocking sounds whilst driving over speed bumps (at regular speed) I drive a 2001 renault laguna 1.8 16v with about 218,000km (about 135500 miles) on the ...
4
votes
1answer
99 views

Is Ackerman steering solved?

I heard of jeantaud mechanism of steering. does it accomplish the right steering everytime? aren't tyres slipping in any situation? I mean, is it the definitive solution to the Ackerman steering or ...
4
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1answer
3k views

Dual suspension to monoshock

I have a Bajaj Discover 135 with dual suspension. I have seen some photos on Google of some people who have successfully done this conversion. Now my question is, what would be the steps to do this?...
4
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1answer
61 views

What is this part on a 1997 Chevy Suburban (4WD) [picture inside]?

We have a 1997 Chevy Suburban, 4WD. Occasionally, when turning right (usually from a dead stop) there is a distinct "clunk" sound that comes from below the drivers side floorboard (with an equally ...
5
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4answers
6k views

Damage to shocks over speed bump

There was a poorly marked speed bump on the way into the mall and I hit it going probably 15mph over the rated speed. It was a small speed bump (not those humps that induces rocking, ~1 feet in ...
2
votes
2answers
592 views

What Springs do i need to drop 3"

My current springs have a rate of 360lbf/in and unfitted 420cm in length. Fitted to the car they are 350cm in length. What lbf/in do i need so that the car sits 3" lower ? I'm considering a spring ...
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0answers
52 views

Tracking down non-engine sounds [closed]

I have a '01 Montero that has been making a creaking/squeaky type of noise that comes from the rear of vehicle. I have lubed everything there is and have installed new shocks and air bags. Doesn't ...
6
votes
2answers
546 views

How does hydropneumatic suspension perform vs conventional suspension?

My stock Citroen BX is equipped with hydropneumatic suspension. I have a ser of xantia suspension spheres mounted which brings the pressure up to 70bar vs the standard 45. My question is, how ...
3
votes
1answer
115 views

Honda Jazz 2007 1.4 Dsi CVT

My Honda Jazz is in for 195,000 km service, Bosch service centre contacted me and said that my Control Arm Bushings are worn, but they need to replace the entire control arm as the bushings are not ...
7
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2answers
2k views

Slow speed crunch/pop sound?

Having this issue that started recently. Hearing and feeling in the steering wheel and pedals crunch/pop sound when rolling slowly. On/off brakes doesn't seem to matter. In gear/off gear doesn't ...
4
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0answers
77 views

2000 Ford Taurus ABS reluctor ring grinding on lower ball joint

My Taurus started to make a grinding noise in the front. When I looked at it I could see the ABS reluctor ring was grinding on the lower ball joint. My plan is to replace the axles/reluctor rings, but ...
3
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1answer
153 views

How does mounting +1,+2 and +3 affect your vehicle? [duplicate]

The title is pretty self descriptive. It's common practice to equip your vehicle with bigger rims simply to achieve aesthetically pleasing looks. Although I'm against modifications exclusively for ...
6
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2answers
990 views

Suggestions for refinishing suspension springs

Can anyone suggest a tried and tested method for refinishing suspension springs. The springs I have at the moment have shed their protective coating which I assume was some sort of powder coating? I'...
3
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1answer
279 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 ...
6
votes
1answer
132 views

Should a suspension air bag be changed after so many miles?

I've referenced several manufacture sites (such as Firestone & Slam Specialties) to find any verbiage on their site's but I was unable to find if air bags for a hot rod should be changed after so ...
6
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1answer
182 views

Hydropneumatic suspension ride height

My Citroën BX has various ride heights since it works on hydropneumatic suspension. How safe / smart would it be to drive using the lowest height VS the medium ride height? pics for comparison
5
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2answers
727 views

Why is there a trend towards cantilevered rear wheels in recent motorcycle designs?

In looking at the new motorcycle designs that are coming out in roughly the last decade or so, there seems to be a trend towards the cantilevered rear wheel. My question is what are the advantages to ...
7
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3answers
2k views

Pros and cons lowering sedan?

Thanks to the community here I have successfully fixed my overheat problem, so I'm moving on to another problem...lowering the 95 camry. The method I'm planning on using to lower it is by adjusting ...
6
votes
1answer
543 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.