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[AWD_E30]

Yep Nando is right. My center diff viscous coupler testing has shown there is actually a speed vs. Temp relationship (think 3D surface plot) that results in a different torques. In my case I was able...

[AWD_E30]

I found my rear viscous coupler was bad was by jacking up the rear of the car, placing the car in gear (manual) or park (auto), and trying to turn one wheel forward by hand. If the viscous coupler is...