i get vibration at high speed on volvo s40 ,it improves at a more higher speed,why is this?.?

Tires are one of the most common causes of car vibrations. ... If this is the case, your problems won't be noticeable at slow speeds, but the shaking will ... If the damage is too big, you might have to replace the tire. ... and you notice the vibration intensifies as you slow down from a high speed, you may be ...

The all-new Volvo V40 can also be equipped with a rear park assist camera and ... the technology generates a distinctive warning through a haptic vibration in the ... High speed is a contributory cause behind a significant part of all fatal road ... . In the all-new V40, auto brake performance at higher speeds has been improved  ...

The Volvo S80 has relatively large engines, up to 2.9 litres, but sheer size has ... fitted in every Volvo car, from the 4-cylinder engines in the Volvo S40 and V40, to the ... The five-cylinder engine variants have always been installed transversely. ... .. The car therefore feels more stable and well-controlled at high speeds on ... .

When Volvo tried to replace the car with a more “modern” boxy ... Audi won't need any Ambien, but the S40 offers the kind of solid build quality and high quality fit ... Slam on the gas, and the S40's five-speed automatic gearbox ... Having just purchased a Volvo S40 I find this review accurate but incomplete.

Pricing for ABS WHEEL SPEED SENSOR (BRAKE PARTS (ABS)) ... relay contact and in hot weather, the higher humidity would make it worse. ... If you have had to add fluid recently, you most likely have a leak. ... . Idle speed too high ... . Engine vibration in drive or reverse may be due to faulty or failing engine mounts.

Adding a higher viscosity oil may quiet it for awhile, but once wear has taken its toll on the gears and ... transaxle, transfer case or differential is to improve cold weather operation. ... [Jay Simkin] Most Volvo rear axles take normal gear oil in a 75W-90 grade. ... . [Symptom:] Take-off vibrations at low speed, especially with high...

Almost half the strong Volvo S80 body structure is made of high strength steel ( HSS) ... of HSS and the actual design of the body both help to make it extremely rigid. ... and the speed-independent, torque-limiting DSA system in the S40 and V40. ... is an even more sophisticated stability system to improve active safety by also ... ..