I bought belts for my Infiniti FX35 and trusted Conti, thinking they were a quality manufacturer. I finally fitted the December belts and they squeaked straight away, I made some adjustments and the squeaking continued - I figured it must be something with one of the ancillaries (alternator, air con, power steering etc) so I'll take the dealer to me - $175 later they tell me the straps were worn out and too loose. I started a tirade with the dealer and the service department and filed a…