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November 30, 2009

16v transmission noise

Filed under: Uncategorized — admin @ 10:42 am

My ’88 Scirocco 16v has developed a slight humming noise which seems
to be in the transmission.  The periodic hum is only noticable when
the car in going 50-55 mph.  This noise does not depend on whether the
car is in gear.  For example, I can speed up to 60 mph and shift into
neutral.  I will not hear the hum until I slow down to 55mph.  The hum
will then stop after falling below 50mph.  The trans fluid level is
good, but I don’t know which brand/type of fluid is being used.  I
have not changed the fluid since buying the car neary two years ago.
Any advice is helpful.

Thanks,
Chad

2 Comments »

  1. Chad

    I Don’t know what the problem is, however once you get it figured out,
    refill the tranny fluid w/ "Redline MTL".  It made a world of difference
    in my 87 GTI 16V (much smoother).

    Rob Carnochan
    87 GTI 16V
    Austin, TX

    P.S. I’ve never gotten a kick back from "Redline" either.

    Comment by admin — November 30, 2009 @ 10:42 am

  2. Hmmm.  Kinda sounds like the wheel bearing’s might need to be replaced?  I am
    by far a mechanic but it seems like bad bearing’s can be a source of a humming
    noise.

    Comment by admin — November 30, 2009 @ 10:42 am

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