Quote:
Originally Posted by yzyysy
Yeah, will probably give them a call tomorrow to see what the rationale behind it was. Thanks again, youve given me a bit of peace of mind for now 
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If shifting is not too stiff for your taste, leave it. Transmission will run more quietly. It's why the factory used thick old-school fluid. The forum is littered with complaints of noisy transmissions after swapping fluids in search of easier shifts. It's a trade-off.
I personally stay away from the multi-rated gl4/5 stuff.