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Shock absorber
Strut mount
Spring kit
Air suspension
Suspension kit
Shock absorber dust cover & bump stops
Coil spring seat
Suspension accumulator
Leaf spring
Boot, air suspension
Replace a Spare part Coil springs – a defective one or if the limit of use has been already reached. Find out useful information about Coil springs
Faults of springs
spring leaves deformation;
damage to the bound stopper;
loosening nuts;
failure of the top spring leaf;
part corrosion;
rivet breakage;
wear of spring bolts and bushes.
Symptoms of springs failure
frequent suspension breakdowns;
appearance of strange sounds;
periodic skid;
increasing suspension rigidity;
roll to one side;
reduced vehicle clearance.
Causes of springs faults
aggressive driving style;
moisture impact on the item;
frequently exceeded carrying capacity of the car;
untimely maintenance;
operation of the vehicle on roads with a poor surface.
Diagnosis of springs
Checking the springs condition is recommended every 10 thousand kilometers. We recommend you to turn to professionals for the diagnosis. Checking of this part is carried out with and without removal. In the first case, the diagnosis will be carried out on a special stand, which will simulate working conditions of a spring. A more effective method of diagnosis is on drum stands. Experts quickly determine by the deflection amount, if the part has defects.
Repair of springs
In order to prevent failures you need to renew the paint on the part, as well as to lubricate the place of leaves contact. This is to avoid breakage of spring bolts. If the bolts failure occurs during the movement, it is recommended to stop and set an iron rod or a screwdriver between them, and then tie the rod with a wire and go to a service station. In case of spring leaves breakage on the way (the metal creaking indicates it) you should place two wrenches on top and bottom of the broken leaf. Tie this structure with a wire, and with extreme caution go to a service station, trying to avoid all the holes on the road.
Repair and replacement of springs
If the part cannot be repaired, you should replace it. So, you need:
loosen the nuts;
disconnect the shock absorber;
unload the spring by lifting the car and installing support;
dismantle the bolt, the spring and support washers;
remove the spring;
remove hinges from spring lugs;
if necessary, clean the piece from dirt or rust;
inspect the joints, bolts, shackles, washers;
If the unit components do not require replacement, install them on a new spring;
install the new part.
Coil springs replacement - instructions, descriptions and repair
What is the purpose of suspension spring spacers? What different types are there and what are the advantages and disadvantages?
Suspension spacers often need to be installed if a car regularly carries heavy loads or is driven off-road. In these cases, heavy loads can cause the springs to wear out quickly, resulting in vehicle’s ride height being reduced.
Spacers can be made from different materials:
Aluminium: they are designed for heavy loads and resistant to corrosion. Typically, they are the most expensive. It is best to install them on the front axle.
Plastic: they are not vulnerable to corrosion and have quite a long lifespan.
Polyurethane: they are elastic and don’t deform on impact. These elements are affordable and durable. Like the plastic equivalents, they are perfect for the rear axle.
Rubber: they are cheap, but are not as strong and durable compared with the polyurethane versions.
Which suspension springs to choose?
Depending on the purpose and the strength of the parts they are divided into:
Standard: they are mounted on a car during the manufacturing process and designed to operate under standard conditions.
Reinforced: they can withstand heavy loads. They allow a car to negotiate off-road areas more efficiently, haul heavy cargo, or transport a trailer.
For increasing ride height: they are suitable for vehicles which are often used off-road.
For reducing ride height: because they change the centre of gravity, they make a vehicle more stable during manoeuvring. They are popular among fans of sporty driving.
Installing new parts can improve a car’s driving performance. For instance, reinforced components on the front axle minimise car body roll when braking. Less rigid parts on the rear axle can prevent oversteer.
How can I remove and replace suspension springs?
Replacement of suspension springs is quite a complicated and laborious process. We recommend leaving it to professionals at a garage. If you decided to replace the components yourself, you will need:
a spring compressor tool;
a set of open-end and ring spanners;
a car lifting device.
Remember! Follow the safety precautions and recommendations of the car manufacturer while carrying out the work. Replace both parts on one axle as they have almost the same working lifespan. The procedure for replacing the front and the rear parts can differ.
If the spring is mounted onto a suspension strut, secure it using the compressor tool. Then, unscrew the upper fastener of the strut mount and raise the car up. Next, detach the lower fastener from the suspension arm or the steering knuckle. If the part is mounted separately from the strut, unscrew it from the car body and arm or the steering knuckle. Replace it with a new part and reinstall the components in the reverse order.
Pay close attention when fitting the compressor tool. If they are misaligned and not properly attached it can cause damage to the car and injuries. Take a test drive after the parts have been replaced. Properly installed components will make no knocking or rattling sounds.
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