Really bad manual tranny fluid?

751 Views 18 Replies 15 Participants Last post by mrkprsn, 11 d ago

Discussion Starter · 15 d ago

I bought a used ZF 5 speed manual transmission, and drained the fluid, it is a slightly viscous grey. And thoughts on what would cause this?

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Discussion Starter · #16 · 13 d ago

markusmarkus said:
As we all know, “lifetime fluids” was a marketing ploy, and not a maintenance philosophy.

It is safe to say that my fluid gave its life to the transmission, so it did last a lifetime.

Discussion Starter · #17 · 11 d ago

Is there any way to flush it while it is on the bench?

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