HYDRACTIVE 2 PDF

On the Hydractive II, the relation between suspension modes and dashboard switch settings became more complicated: in both settings—Normal (the new name. A stylish 2 piece designed to keep you cool when you’re working hard. Featuring a breathable mesh panel for ventilation, the HydrActive 2. Well Ive been doing some more research.. And I have been reading about the Xantia VSX and its Hydractive 2 suspension set up. I know the.

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In addition to the superb comfort, they also have advantages related to car handling and control efficiency, solving a number of problems which are inherent in the use of steel springs.

Brake rotation sensor 7. The BHI of the hydractive 3 suspension calculates the optimum vehicle height, using the following information:. The symptom of pressure loss is a hard ride. Above – load P is placed in car and it sinks Left – manual ride height control in Xantia.

Hydractive 2 | Citroën BX do-it-yourself

Silver Cloud or Silver Shadow? The system provides a soft, comfortable, yet well-controlled ride. I am asking this question as now due to the purchase of a SX Xantia falling though, I am now faced with the options of possibly purchasing a VSX, however I am still looking for SX models.

Then again tyres were wider hydractivd lower profile also which accounts for some of the difference.

All six spheres are in use. These procedures are clearly described in DIY manuals obtainable from automotive retailers.

Hydropneumatic suspension

When the car is too high e. Additional benefits include an absence of diagonal pitching, the constant ride height ensures headlamp beams are always properly aligned, irrespective of load and aerodynamics remain unaffected by load thanks to a constant angle of attack.

In hyddractive Auto setting, the suspension was switched from soft to firm mode temporarily when a speed-dependent threshold in accelerator pedal movement, brake pressure, hydtactive wheel angle, or body movement was detected by one of several sensors.

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Switching to Sport does not mean sticking to a hard, uncomfortable ride any more. Below the suspension system showing the spheres with the nitrogen represented in blue and the hydraulic fluid in red. Higher intelligence The computer uses the same set of sensors as Hydractive I, the only difference is the vehicle speed sensor which is a Hall-effect sensor now.

Hydropneumatic suspension – Wikipedia

This part of the circuit is at between and bars. Retrieved 12 June A hydropneumatic suspension operates at ideal angles at all times and under all conditions. Unsourced material may be challenged and removed. It seems rock hard but it still rides well. The principles illustrated by the successful use of hydropneumatic suspension are now used in a broad range of applications, such as aircraft oleo struts and gas filled automobile shock absorbersfirst patented in the U.

Stalled Hydrachive Friendly Commodore Driver. Newer spheres do not have this plug, but it can be retrofitted. The computer uses the same set of sensors as Hydractive I, the only difference is the vehicle speed sensor which is a Hall-effect sensor now. Furthermore, under heavy braking, hydraulic fluid is removed from the rear suspension causing the tail to drop providing inbuilt anti-dive.

That’s about the only negative I can think of about VSX’s Some older cars had a separate front brake accumulator on power steering models. However, hydractivee some circumstances, the special Correction thresholds are observed instead. If hydracctive main suspension circuit has hyrractive pressure, the system stays in hard mode with the electric valve off or disconnected.

Spheres consist of a hollow metal ball, open to the bottom, with a flexible desmopan rubber membrane, fixed at the ‘equator’ inside, separating top and bottom. Is this a Hydractive trait or do all Xantias do this? It is the simplest damper and one of the most efficient.

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Hydractive 2

The elements are practically the same as on Hydractive I:. Buying an year old car, I’d say go for condition and history rather than whether its Hydractive or not. The time now is Damping is provided by a two-way ‘leaf valve’ in the opening of the sphere.

Each sphere consists of a hollow metal ball, open to the bottom, with the top and bottom of the sphere being separated by a flexible desmopan rubber membrane.

The hydraulic system acquired a reputation for unreliability when it was prematurely released on the DS.

hudractive The top is filled with nitrogen at high pressure, up to 75 barthe bottom connects to the car’s hydraulic fluid circuit. Many models were also fitted with an anti-sink system that locks the system when the car is not running, using yet another sphere. Timely recharging, approximately every 3 years, is thus vital.

Gas absorbs excessive force, whereas fluid in hydraulics directly transfers force The suspension system usually features both self-leveling and driver-variable ride heightto provide extra clearance in rough terrain.

Is there really much difference between a VSX Hydractive 2 setup and a normal set up in the SX in hydeactive driving department? The difference is in the set of rules the computer uses to evaluate those circumstances: Hydraulic distribution unit 5. A ruptured membrane means suspension loss at the attached wheel; however, ride height is unaffected. A height corrector is attached to the anti roll bar and when a load is placed in the car, the car body sinks.