Operation CHARM: Car repair manuals for everyone.

Stripped Weld Nut



Weld Nut Repair Stripped Weld Nut, Air Bag Electronic Crash Sensor (ECS) and Front Crash Sensor

WARNING: To avoid accidental deployment and possible personal injury, the backup power supply must be depleted before repairing or replacing any front or side air bag supplemental restraint system (SRS) components and before servicing, replacing, adjusting or striking components near the front or side air bag sensors, such as doors, instrument panel, console, door latches, strikers, seats and hood latches.

Please refer to the appropriate vehicle shop manual to determine location of the front air bag sensors.

To deplete the backup power supply energy, disconnect the battery ground cable and wait at least one minute. Be sure to disconnect auxiliary batteries and power supplies (if equipped).


1. Depower the system. For additional information, Service and Repair

2. Obtain an 8 mm (0.32 in) grounding screw (part number N802455-S190).
3. Drill out the internal threads of the stripped-out weld nut to 7.37 mm (0.29 in) using a letter "L" size drill bit.
4. Position the crash sensor to the vehicle.
5. Install the 8 mm (0.32 in) grounding screw into the drilled-out weld nut.
6. Install the remaining attaching screws.
7. Tighten the attaching screws to specification. Refer to Torque Specifications in this section.