Warning:If any water enters the vehicle interior up to the level ofthe carpet or higher and soaks the carpet, the sensing anddiagnostic module (SDM) and the SDM harness connector may need tobe replaced. The SDM could be activated when powered, which couldcause deployment of the air bag(s) and result in personal injury.Before attempting these procedures, the SIR system must bedisabled. Refer to Disabling the SIR System.
With the ignition OFF, inspect the SDM mounting area,including the carpet. If any significant soaking or evidence ofsignificant soaking is detected, you must perform the followingtasks:
Remove all water.Repair the water damage.Replace the SDM harness connector.Replace the SDM.Failure to follow these tasks could result in possible airbag deployment, personal injury, or otherwise unneeded SIR systemrepairs.
If the floor carpet is wet refer toFloor Carpet Drying.Remove the trim moldings or the headliner in order to repairthe leak, if needed.Determine the source of water entry.If water is leaking at the edge of the windshield, reseal thewindshield using Urethane Adhesive Systems which meet GMSpecification GM 3651G.If water leaks into the vehicle at the sides of thestationary windows, reseal the window using Urethane AdhesiveSystems which meet GM Specification GM 3651G.Rear Axle Upper Control Arm Replacement Axles Rear
Removal ProcedureRaise and support the vehicle. Refer toLifting and Jacking the Vehicle.Remove the rear tire and wheel assembly. Refer toTire and Wheel Removal and Installation.Disconnect the antilock brake system (ABS) brake wiring harness from the upper controlarm.Remove the rear brake hose bracke ...