The Volvo Parts, Accessories &
Performance Specialists Since 1963

Haldex AOC (Active On-Demand Coupling) Fluid, 1 Liter

Febi Bilstein 101171 - 140812

Item Number
Febi Bilstein
Mfr Part Number
Brand Classification
Country of Origin
Product Group
Oil, fluids & chemicals
OE References
Genuine Volvo 31367941

Product Description


If your Volvo has unexpectedly left you stranded in slippery conditions, it's possible your car's AWD needs service.

AWD Volvos from 2003 and up (like the S60R/V70R, XC60, XC70, XC90, and AWD versions of the S60/V70 and S40/V50) use a system called Haldex to engage the rear wheels when the front wheels start to slip.

A cutaway diagram of the Active On-Demand Coupling

This Haldex system relies on a multi-plate clutch in the rear of the car, also called the Active On-Demand Coupling (AOC). When the system detects front wheel spin, valves open and allow pressurized oil to clamp the clutch down, hooking up the rear wheels and getting you moving again.

The system relies on oil pressure as high as 80 bar (1100psi!) to cycle the hydraulic clutch, and just like any system that pumps oil around, regular filter and fluid changes are recommended. For Haldex, we suggest changing the fluid and filter every 50,000 miles.

A clogged (and failed!) Haldex pump

If fluid changes are neglected and the filter gets clogged, the Haldex pump has to work harder and harder until it eventually burns out: you'll suddenly get lots of front wheel spin, and when scanned the car will have pump error codes from the DEM, such as DEM-0006.

This fluid is made by the Original Equipment Manufacturer for Volvo, Febi-Bilstein. It matches the viscosity and friction specifications of the factory-fill Haldex fluid, and is perfect for topping back up after a filter change, pump replacement, or even just a simple drain-and-fill.

Additional Keywords: HALDEX OIL FLUID G055175A1 G055175A2 AWD AOC

About Febi Bilstein

We (FEBI) are the pioneer in the spare parts market. As a group-independent, family-owned company with a long tradition, we have early on supported alternatives to original parts that are of equal or higher quality – in the interest of consumers worldwide.

FEBI's range of more than 37,000 technical wear parts for passenger cars and commercial vehicles is growing steadily because our aim is to make new products available in the aftermarket as soon as possible.

We keep an eye on current trends and developments so that our customers are always one step ahead.

This distinguishes FEBI as No. 1 in the spare parts market – in the past, today and in the future

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