Recently, a friend of ours complained about the missing all-wheel drive experience of his T4 Syncro. We thought of an aged T4 VC and offered to measure it on our […]

We already published a first status report on the T4 Viscous Coupling in June 2019. Now we want to share the findings of the past year with you:

As for the T3 Syncro, we have also created illustrated instructions for changing the VC of the T4 Syncro. The procedure and tightening torques are based on the VW repair […]

We are not experts for gear boxes, but we are frequently asked which gear oil we recommend for the T4 Syncro. In the following we would like to share the […]

As recently requests for overhauling the T4 viscous coupling are piling up, we want to give you a short overview, what we are currently working on and what the main […]