I went to the Chevrolet dealership today and got this straight. The original Service Document (17 Sept. 2013) that stated use a UPF48R was incorrect. Another updated Service Document was sent out Dec. 3 that corrected the mistake and states that only the PF64 is correct.
Use of any other filter may void the warranty if used and something goes wrong with the motor. The same wording is in the Dec. bulletin "use of any other filter may lead to severe engine damage."
Last edited by Track; 03-31-2014 at 03:47 PM.
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