Hello everyone, I've also looked at the videos on the viscous coupling and it's true that it could be the cause of this noise at stabilised speed and also on deceleration (the whistling is not heard on acceleration). This video also explains how the viscous coupler works and how to 'test' it. https:...

Bon jour! We are very jealous of your AWD with m58. Add it the Louvre, Versailles, baguette, and fromage of beautiful French things Ha ha ! M58 indeed is nice, but p80 are one of the few cars with decent auto trans. For TRACS, it is only about front wheels indeed, it works on mine without propeller...

Thanks for the information on the TRACS function. I imagine it works with the ABS module, and I don't think it works on my car... I have a problem with this, sometimes the speedometer stops working. I have to turn the car off and restart it to get it working again. Sometimes it works for 150/200km, ...

Thanks for your reply! It made me laugh a lot 😂 Maybe when the time comes, I'll donate it to a museum haha But yes, in the meantime I use it to buy bread and cheese 😂 Right for the oil! I found on different sites that the capacity of the angle gear was about 800mL, and that of the rear differential ...

Hello, I'm interested in your discussion about servicing the Volvo AWD system, particularly on the Volvo 850 and V70 Phase 1, as I own a model of this type. I have a 1998 Volvo V70 XC AWD, M58 manual gearbox. I would like to maintain it properly and prevent any possible breakdowns... Even though it ...