2004 Pontiac Aztek

On certain Aztek (AWD), Montana (AWD), Relay (AWD), RendezVous (AWD), RendezVous (FWD), Silhouette (AWD), Terraza (AWD), Terraza (FWD), Uplander (AWD) and Venture (AWD) vehicles equipped with independent rear suspension, when operated in extreme cold temperature and on rough roads, water and salt can intrude past the ball joint seal.  The combination of theses conditions may then lead to premature wear of the ball joint.  If the ball joint wear progresses to the point of separation from the lower control arm, a loss of vehicle control may occur.  Correction: Dealers will replace both ball joints with new ball joints which have a revised boot and ball stud to improve the seal to the ball stud shaft.

On certain vehicles, contamination on ignition relay contacts can cause high resistance.  This can affect signals to the powertrain control module, which could result in intermittent engine stalling.  In some cases, the vehicle cannot be restarted immediately.  If this were to occur, it could result in a vehicle crash.  Correction: Dealers will replace the ignition relay.

On certain vehicles, a weld between the fuel tank inlet valve and the fuel tank was not made to specification and can fail.  If these parts separate, the driver may notice an odour of fuel, the Service Engine Soon or Check Engine light may illuminate, and/or fuel may leak onto the ground.  If a sufficient amount of fuel leaked and if an ignition source were present, a vehicle fire could occur.  Correction:  Dealer will inspect the fuel tank and replace it if necessary.