How to fix bouncy coilovers

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How to fix bouncy coilovers

These things have been a pain for the past 3 weeks. Originally, I had it set to 6 clicks from full stiff, andI now know that was a bad idea. Especially after installing my new wheels. The installation of the wheels were flawless, definitely a huge thanks to my friend Daniel. With the new wheels on, I now have to factor in the weight, adding to the bounciness. After many hours of research and endless tinkering, I have been able to find out that you must complete these steps in order to see huge improvement with the stability of your suspension set up fresh install of coilovers or installing aftermarket wheels :.

If you bought coilovers from a third party vendor and you notice that the coils are sliding back and forth from the suspension shaft, be sure to loosen the top locking gears and tighten coil by hand until you feel contact with the underside of the tophat. Do not use Spanner Wrenchs, unless necessary track purposes. I say this with great importance, but please start on Full Soft and work your way towards stiff dampening by increments of THREE clicks.

I have learned the hard way. If you follow these steps above, all that is left is getting an alignment and your problems should be solved. Good luck! View all posts by Spikefrs. Like Like. You are commenting using your WordPress. You are commenting using your Google account. You are commenting using your Twitter account. You are commenting using your Facebook account.

Notify me of new comments via email. Notify me of new posts via email. Skip to content. After many hours of research and endless tinkering, I have been able to find out that you must complete these steps in order to see huge improvement with the stability of your suspension set up fresh install of coilovers or installing aftermarket wheels : — Pre-load: Coilovers normally come preloaded.

Do not use Spanner Wrenchs, unless necessary track purposes — Ride Height: Set to however you please. Share this story: Twitter Facebook Email Tumblr. Like this: Like Loading Published by Spikefrs. Next Post Fixing my bouncy coilovers Pt. Leave a Reply Cancel reply Enter your comment here Fill in your details below or click an icon to log in:.By using our site, you acknowledge that you have read and understand our Cookie PolicyPrivacy Policyand our Terms of Service.

It only takes a minute to sign up. In my Opel Agila, the ride is really bouncy. Whenever I go over bumps in the road, it feels like I am almost out of control. It is generally a bouncy car, but it this one seems to be worse than the other Agila which I have driven. To check if your suspension is kaput you will need to stand near each Axel and depress the fender, if it bounces up two or more times than they might be shot.

Alternatively you can manually inspect the suspension by checking each of the coils and dampers for any oil leaks dampers and deformities Coils.

how to fix bouncy coilovers

If all the above things are good then as paulster suggeststake it to a garage for a minor check. Tip: what I usually do is take it to a wheel alignment shop and do smalltalk with the mechanics to know the condition of the suspension. If the car feels like a galloping horse then chances are that the shock absorbers are non-functional.

Fixing my bouncy coilovers Pt. 2

An old-school method of testing the shocks is to press down on the front or back of the car and let go. If the car rebounds up and down times it means the shocks are not doing their job.

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How to make ride less bouncy? Ask Question. Asked 4 years, 7 months ago. Active 4 years, 7 months ago. Viewed 6k times. George George 6, 25 25 gold badges 66 66 silver badges bronze badges. Only real thing I can tell you is to put better shocks on the car. Just a suggestion and I don't have a brand for you, either. If it bounces, it's a good indication the shocks could be bad. Active Oldest Votes.Your car's suspension system is an intricate network of cooperating usually, anyway components designed to give you a smooth, even, stable ride.

Since the suspension is ground zero when it comes to road abuse, the parts wear out and even break. If your car doesn't seem to ride like it used to, you may have a problem down below. It may seem daunting to try to diagnose steering or suspension problems, but if you attack it systematically, you have a fighting chance.

Just find the symptom that sounds like you and see what the probable causes are. Before you start replacing parts, it's a good idea to check all of the mounting nuts and bolts to be sure the problem isn't being caused by simple looseness. As you turn the wheel or hold it in a turned position, it feels like its slipping slightly back and forth.

Excessive vibration while traveling at a constant speed, especially at highway speeds. Feeling clunks and knocks through the steering wheel when you go over bumps or even cracks in the road. Sometimes more than one issue needs to be addressed to fix the symptoms.

Matthew Wright. Matthew Wright has been a freelance writer and editor for over 10 years and an automotive repair professional for three decades specializing in European vintage vehicles. Low or uneven tire pressure: Check tire inflation.

Properly setting up your coilovers - Ride height & bump stroke - BC Racing coilover install

Uneven tire wear: Check front tires for even wear and replace both front tires. Alignment bad: Check and adjust wheel alignment.

how to fix bouncy coilovers

Steering components bad: Inspect tie rods and steering rack. Sticking brake caliper : Inspect brakes for uneven wear or excessive heat.

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Repair as needed. Wheels seem to wander and wiggle rapidly back and forth. One or more wheels out of balance: Have wheels balanced. Vehicle out of alignment: Check and adjust wheel alignment. Worn steering components: Inspect tie rods and steering rack for excessive play and repair if needed. Porpoising, aka bouncing, dipping, diving.

Car keeps going up and down after you go over a bump. Broken or slipped leaf spring: Inspect leaf springs and repair or replace as needed. Loose or worn power steering belt: Tighten or replace belt. Bad power steering pump: Have checked for pressure and replace if needed. Leaking power steering rack: Inspect steering rack for leaks and replace rack if needed.

Broken steering rack mounts: Inspect mounts for excessive play and repair as needed. Wheel is hard to turn, especially while moving at slow speed. Low power steering fluid: Add fluid as needed. Leaking power steering rack : Inspect steering rack for leaks and replace rack if needed. Wheels out of balance: Have wheels re-balanced. Tires worn unevenly or excessively: Replace tires.

Steering has excessive play and wanders from side to side. Worn strut bearings: Inspect strut bearings for play and replace in pairs. Worn or broken tie rods or steering rack: Inspect steering components and replace as necessary.

Broken steering rack mounts: Inspect steering rack mounts and repair or replace some cars can be fixed, others require replacement of the entire steering rack. Worn strut bearings: Inspect strut bearings and replace both if needed. Worn ball joints: Inspect ball joints for play and replace if needed.While driving your car, have you ever felt like you are riding a roller coaster but on a flat surface?

Or have you found that your car starts bouncing like a wild stallion after hitting a pothole? A bouncy or unstable car can have any number of issues with the steering and suspension that may need to be properly diagnosed.

Using the following methods, you can diagnose faulty strutstie rod endsbrakes and other components that are related to common issues leading to a bouncy or unstable car. Step 1: Locate the front and rear suspension. Park your car and then find the location of its front and rear suspension. The struts assembly is located at the front and the shock absorbers at the rear of the vehicle, at each corner where the wheels are located. These play a major part in the stability of your vehicle.

Step 2: Apply pressure to the sides of the car. Standing in front of your vehicle and apply pressure to the sides of the car, where the wheels are located. When you apply this pressure in a downward motion, there should be only minimal movement in your car. You can start at the left or right side at the front of the vehicle and then proceed to do the same at the rear of the vehicle.

Step 1: Check the movement of the steering wheel. Feel the movement of the steering wheel when you are driving. If you feel the steering wheel pulling towards either side when you drive at a particular speed, it is not normal unless the road has a slope towards any side.

This kind of instability or pulling effect is more related to an issue with the steering components.

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All the steering components have pre-greased rods or rubber bushings that wear down or deteriorate over time and cause wandering steering wheels. Step 2: Check the tie rod. Check the tie rod.

Tie rods have inner and outer assembly parts that are used when the car has proper alignment of the wheels. Step 3: Check the ball joints for wear. Check the ball joints. Most vehicles have an Upper and a Lower ball joint.

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Step 4: Check the control arms. Check the control arms which come in upper and lower assemblies. Step 5: Look for uneven tire wear. If we look closely, they can say a lot about car issues that we can't see.

The wear pattern on your tires will give you an idea of the steering components that may need attention. Step 1: Observe any symptoms at the brake pedal. When applying your brakes, you may feel a grab and release movement as you are reducing speed. This is a sign of warped rotors.

Too Much Bounce For the Road?

The flat surface of the rotors becomes uneven and that does not let the brake pads grip properly, leading to ineffective braking. Step 2: Observe any symptoms at the steering wheel. While you are applying the brakes, you may find that the car starts shifting towards the right or left. Brakes are the most important safety components on a vehicle because we depend on them to come to a complete stop.

Brakes get worn out easily because they are vehicular parts that are used constantly. However, if you feel you cannot troubleshoot it yourself, get one of the professional technicians from YourMechanic to inspect your car and check the brakes and suspension.Suspension problems are one of the most common ailments faced by most car owners in the lifetime of their cars.

But diagnosing what exactly is wrong with your suspension is the tricky part. CarToq puts together some common suspension-related problems and tells you what you should be looking to fix if such a problem occurs.

Here are some common symptoms and the likely causes for trouble. The car tends to bounce up and down a lot over bumps and even on slightly undulating roads it tends to ride like a boat. Likely cause: The first sign of a failed shock absorber is excessive bounciness in the suspension. A shock absorbers function is to dampen this up and down movement of the suspension and not let the car bounce too much.

The bounce is caused by the spring action from the coil spring, leaf spring or torsion bar depending on the kind of suspension your car has. Visually check the shock absorber — it may have tell-tale oil leakage signs around it. The shock absorber alone will need replacement. This is sometimes accompanied by a squeaking sound. Likely cause: Worn suspension bushes. The suspension system has rubber bushes at most of its linkages, which tend to wear off with time.

If these bushes wear down, some play develops in the suspension arms, which causes this swaying movement. What to check: With the car raised on a jack, grab the suspension arms and try moving them.

They normally should not move if you move it with your hand. If they do move, then look closely at the rubber bushes at their joints — they may be cracked or worn.

The bushes will need replacement.

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Whenever the car goes over a bump you hear a clattering rattle from the front suspension. Sometimes this also is felt as excessive vibration in the steering column. These are flexible joints that take a lot of stress from the suspension.

Tie rod ends can fail early if you turn the steering of the car often, when it is stationary and not moving, as the added force needed to turn the wheel can weaken these joints. A thud or rattle can also be caused from the strut mount in a McPherson strut setup this is a shock absorber within a coil spring — common on most small and medium cars.The tires of your car are the only points of contact between your vehicle and the road.

Springs cope with acceleration, deceleration, turns and bumps, but oscillate — and would continue to do so if not acted upon by an outside force. In this case, the weight of the car controls oscillation.

Still, the weight of the car alone cannot control spring oscillation, which can lead to excessive acceleration, squat, brake dive, vehicle roll, or wheel bounce. In all of these cases, the driver would find the car difficult to controland could even lose traction. In a clear parking lot, start with the car at rest. Accelerate hard and then brake hard. If the rear end keeps bouncing, your rear shocks may be worn. If the nose dips toward the ground upon braking, your front shocks may need replacement.

On the road, if you find that your car bounces around a lot, has a hard time holding a turn or is affected by crosswinds, you may need new shocks.

Go to one corner of the car and push down.

how to fix bouncy coilovers

When you let go, the car should bounce up, then settle back to at-rest height. If the car bounces more than twice, you most likely need new shocks. The shocks should be smooth no dentsstraight no bends and clean no oil. Any of these conditions mean your shocks have been compromised.

Additionally, check the status of your tires; if one or more have bald patches, it could mean your shocks are allowing excessive bounce. Shock absorbers come in three types: McPherson Struts, coil-over shocks and plain shock absorbers.

Struts and coil-overs include a coil spring suspension, while plain shock absorbers are used in conjunction with a separate leaf or coil spring. Replacing worn struts or coil-overs, since they are under intense spring pressure, can be dangerous. Special equipment is required to safely compress the coil spring, so the shock can be replaced. Also, because front McPherson Struts maintain alignment angles, an alignment should be performed after strut replacement.

Replacing plain shock absorbers, on the other hand, can be performed using a floor jack, jack stands and basic hand tools. Rear shocks on a pickup truck can take as little as 20 minutes, if everything is exposed.

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Sedans and other vehicles may require removal of interior trim, molding, or seats to get at the top of the shock. Always use correct lifting procedures and properly torque all fasteners. Photo courtesy of Flickr. Ben has been taking things apart since he was 5, and putting them back together again since he was 8. Now, he writes on automotive topics across the web and around the world, including new automotive technology, transportation legislation, emissions, fuel economy and auto repair.Welcome to SAU Community, like most online communities you must register to view or post in our community, but don't worry this is a simple free process that requires minimal information for you to signup.

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Be apart of SAU Community by signing in or creating an account. Consider joining our newsletter for the latest content updates. Click here to register. By YawnMarch 10, in Suspension, braking and tyres.

Hey guys i just installed a set of 2nd hand GAB rev stroke coilovers and they are pretty stiff. I feel every bump in the road but for every bump i go over, i feel 1 or 2 tiny bounces before the car is stable again, if you get what i mean. Is this a problem with the absorber being old?

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Its doesnt really affect me, unless the roads are uneven. Is this gonna be a problem on the track tho if i dont get it sorted out? Yes there is and its set on the stiffest. Thats what i meant by i can feel every little imperfection in the road but it bounces a bit after every imperfection.

For eg. Its like the absorbers arent doing their job properly, and i get the impression that its sorta just riding on the spring. I havent had any experience with any aftermarket coilovers before so im not too sure what its supposed to feel like. I just imagined it to be like thud, without the bouncing part. Haha i hope im making sense. Just bought second hand cusco height adjustable only coilovers Japanese I think-maybe the prob?

I dont hear knocking there is no leaking. I can tolerate it i dont care at all, but ive never had lowered anything and cant tell if its a problem. I know its hard to diagnose problems without feeling the ride but maybe any questions anyone has to narrow problems down might help.

Any help will be awesome. If not post in the sticky section and SydneyKid will try and estimate for you. It could be that your shocks need rebuilding and are not able to control the spring anymore or that you are not running your tyres at a high enough pressure.


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