If a 1997-99 QX4 exhibits steering shimmy while driven at speeds between 60 and 70 MPH (without braking), the cause may be out-of-balance front or rear tires/wheels and/or insufficient steering rack sliding force adjustment.
1997-1999 INFINITI QX4; FOUL ODOR COMING FROM SUNSHADE
If a 1997-99 QX4 exhibits a foul odor (dusty or musty type smell) when the sunroof sunshade is opened (with the sunroof glass closed) after the vehicle has soaked in the sun, the cause may be the sunshade material.
In support of the recent Squeak and Rattle Seminars, this bulletin provides part numbers, descriptions, dimensions and recommended uses for materials which can be used to help eliminate noises in vehicle interior