By aftermarket MAF do you mean Bosch? Bosch makes the MAF sensors. It's hard to say how hard you spun it and how it was sitting but that sounds about normal. It should rotate without resistance and without grinding.
1 - 1 of 4 Posts
This is an older thread, you may not receive a response, and could
be reviving an old thread. Please consider creating a new thread.
VW TDI forum, Audi, Porsche, and Chevy Cruze Diesel forum
A forum community dedicated to Audi, Volkswagen, Porsche, and all turbo diesel owners and enthusiasts. Come join the discussion about performance, modifications, troubleshooting, TDI, maintenance, and more!