
Warning: If the vehicle interior is exposed to moisture and becomes soaked up to the level of the sensing and diagnostic module (SDM), the SDM and SDM harness connector must be replaced. The SDM could be activated when powered, which could cause airbag deployment and result in personal injury.
Depending on the location of the waterleak, you may have to remove certain interior components in order to repair the leak.

Air Hose Test
Stationary Window Waterleak RepairStrut Assembly Replacement
Special Tools
CH 49375 Wrench
For equivalent regional tools, refer to Special Tools.
Removal Procedure
Raise and the vehicle. Refer to Lifting and Jacking the Vehicle.
Remove the tire and wheel assembly. Refer to Tire and Wheel Removal and
Installation.
Separate the brake hose ...
Installation Procedure
Drill 8 mm (5/16 in) for plug welding along the edges of the front
wheelhouse panel rear reinforcement as noted from the original
panel.
Drill 8 mm (5/16 in) for plug welding where front wheelhouse front panel
and front wheelhouse panel rear reinforcement overlap ...
Rear Bumper Impact Bar Replacement
Preliminary Procedure
Remove the rear bumper fascia. Refer to Rear Bumper Fascia Replacement.
Rear Bumper Energy Absorber Nut (Qty: 6)
Caution: Refer to Fastener Caution in the Preface section.
Tighten
40 N·m (30 lb ft)
Rear Bumper Impact Bar
Special Tools and Equipment
...