Active Cornering Enhancement System
Discovery 2 ACE parts for servicing and repairing the Active Cornering Enhancement hydraulic system, including actuator rams, valve-block sensors and filters, pipe connection hardware, anti-roll bar bushes and Ravenol SSF ACE fluid.
Confirm that the vehicle is fitted with ACE, then match the replacement part to the original component and part number. Warning lights, fluid leaks and poor system operation can come from different electrical, hydraulic and mechanical components, so identify the affected part before ordering.
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Find the right Discovery 2 ACE parts
The Discovery 2 ACE system combines hydraulic actuators, a valve block, pressure sensing, pipework, connection hardware and dedicated hydraulic fluid. Start with the fault or component being worked on, then use the original part number and product-page fitment notes to select the correct replacement.
| Job | Best place to start | Check before ordering |
|---|---|---|
| ACE fluid service or refill | Discovery 2 ACE fluid | Check the required quantity and use the correct hydraulic fluid specification rather than ordinary ATF |
| ACE warning light or incorrect pressure reading | BWI ACE pressure transducer | Confirm the fault with suitable diagnostics and check the original sensor reference |
| ACE valve-block service | BWI ACE valve-block filter | Check whether the pressure transducer, filter and connection seals are being replaced together |
| Leaking or damaged ACE actuator | Discovery 2 ACE actuator ram | Confirm ACE fitment and match the original actuator to RQK100000 |
| ACE pipe or actuator connection work | ACE pipe collet and Genuine ACE sealing washer | Identify the connection being opened and check the quantity of sealing washers required |
| Worn ACE ram or anti-roll bar bush | Discovery 2 ACE anti-roll bar bush | Confirm the ACE suspension setup, bush position and original part number |
Check ACE fitment before ordering
Discovery 2 vehicles without ACE use conventional anti-roll bar components and do not use the hydraulic actuator, valve-block and pressure-sensing parts shown in this section. Confirm the system fitted to the vehicle before matching individual ACE components.
Confirm ACE is fitted
Check that the vehicle has the hydraulic Active Cornering Enhancement system rather than conventional anti-roll bars.
Check that the vehicle has the hydraulic Active Cornering Enhancement system rather than conventional anti-roll bars.
Identify the component
Separate valve-block, actuator, pipe connection, bush and fluid faults before ordering replacement parts.
Separate valve-block, actuator, pipe connection, bush and fluid faults before ordering replacement parts.
Match the part number
Use the original component reference together with the product title and fitment notes, particularly for sensors, filters and small connection parts.
Use the original component reference together with the product title and fitment notes, particularly for sensors, filters and small connection parts.
Use the correct fluid
ACE requires the correct hydraulic fluid. Do not select fluid by colour or general power-steering use alone.
ACE requires the correct hydraulic fluid. Do not select fluid by colour or general power-steering use alone.
Genuine, branded and replacement ACE parts
The category combines small Genuine Land Rover sealing parts, BWI valve-block components, Ravenol hydraulic fluid and selected replacement suspension parts. Check the stated brand, part number, component position and included parts on each product page.
| Part group | How it is shown on Twinwoods 4x4 |
|---|---|
| Genuine Land Rover | Genuine connection and sealing parts are identified individually where Genuine Land Rover supply is confirmed. |
| BWI components | BWI pressure transducers and valve-block filters are identified by brand and replacement reference. |
| Ravenol ACE fluid | Ravenol SSF is supplied in different pack sizes for ACE fluid servicing, repairs and larger refill requirements. |
| Selected replacement parts | Actuator rams, bushes and connection hardware are identified by component and part number. |
Related Discovery 2 suspension sections
| Section | Use it for |
|---|---|
| Discovery 2 axle and suspension parts | The wider Discovery 2 suspension, axle, hub, bush and air-suspension product group |
| Discovery 2 front suspension parts | Front dampers, springs, bushes, ball joints and anti-roll bar components |
| Discovery 2 rear suspension parts | Rear springs, air-suspension parts, dampers, bushes and axle-location components |
| Discovery 2 ACE fluid | Ravenol SSF hydraulic fluid in the available pack sizes |
