Operation CHARM: Car repair manuals for everyone.

Seat Belt Tensioner: Service and Repair

Safety Belt Bolt Bit:




Special Tool(s) Required

Removal

WARNING:
- THE BELT AND BUCKLE ASSEMBLY PRETENSIONER IS A PYROTECHNIC DEVICE. ALWAYS WEAR SAFETY GLASSES WHEN SERVICING AN AIR BAG-EQUIPPED VEHICLE AND WHEN HANDLING A BELT AND BUCKLE ASSEMBLY PRETENSIONER.
- THE BELT AND BUCKLE ASSEMBLY PRETENSIONER IS A PYROTECHNIC DEVICE. NEVER PROBE THE CONNECTORS ON THE BELT AND BUCKLE ASSEMBLY PRETENSIONERS. DOING SO COULD RESULT IN BELT AND BUCKLE ASSEMBLY PRETENSIONER OR AIR BAG DEPLOYMENT AND COULD RESULT IN PERSONAL INJURY.
- TO AVOID ACCIDENTAL DEPLOYMENT AND POSSIBLE PERSONAL INJURY, THE BACKUP POWER SUPPLY MUST BE DEPLETED BEFORE REPAIRING OR REPLACING ANY AIR BAG SUPPLEMENTAL RESTRAINT SYSTEM (SRS) COMPONENTS. TO DEPLETE THE BACKUP POWER SUPPLY ENERGY, DISCONNECT THE BATTERY GROUND CABLE AND WAIT ONE MINUTE. BE SURE TO DISCONNECT AUXILIARY BATTERIES AND POWER SUPPLIES (IF EQUIPPED).


1. Disconnect the battery ground cable.

On vehicles equipped with dual batteries:
- Disconnect the secondary positive cable from the primary battery terminal. Wrap secondary positive cable with non-conductive material to insulate it.

NOTE: Make sure the tool does not contact any ground surface. The secondary battery positive cable remains energized after disconnection.

- Disconnect primary battery ground cable
- Disconnect primary battery positive cable.

NOTE: Failure to accurately follow the battery disconnect procedures will result in vehicle or component damage.

NOTE: When the battery has been disconnected and reconnected, some abnormal drive symptoms may occur while the Powertrain Control Module (PCM) relearns its adaptive strategy. The vehicle may need to be driven 16 km (10 miles) or more to relearn the strategy.

2. On the driver side, remove the front seat back latch lower cover.
3. On the passenger side, remove the front seat back pivot side outer cover.




4. Remove the belt and buckle assembly pretensioner.
1. Disconnect the belt and buckle assembly pretensioner harness connector.
2. Using the Safety Belt Bolt Bit, remove the belt and buckle assembly pretensioner retaining bolt.
3. Remove the belt and buckle assembly pretensioner.

Installation

WARNING:
- THE BELT AND BUCKLE ASSEMBLY PRETENSIONER IS A PYROTECHNIC DEVICE. ALWAYS WEAR SAFETY GLASSES WHEN SERVICING AN AIR BAG-EQUIPPED VEHICLE AND WHEN HANDLING A BELT AND BUCKLE ASSEMBLY PRETENSIONER.
- THE BELT AND BUCKLE ASSEMBLY PRETENSIONER IS A PYROTECHNIC DEVICE. NEVER PROBE THE CONNECTORS ON THE BELT AND BUCKLE ASSEMBLY PRETENSIONERS. DOING SO COULD RESULT IN BELT AND BUCKLE ASSEMBLY PRETENSIONER OR AIR BAG DEPLOYMENT AND COULD RESULT IN PERSONAL INJURY.





1. Follow the removal procedure in reverse order. Align both anti-rotation tabs on the belt and buckle assembly pretensioner into the seat track prior to tightening the bolt.
2. Reconnect negative battery cable. On vehicles equipped with dual batteries:
- Reconnect primary battery terminal connections.
- Reconnect positive battery cable.
- Reconnect the negative battery cable.
- Unwrap the secondary battery positive cable and reconnect it to the primary battery positive terminal.

NOTE:
- When the battery has been disconnected and reconnected, some abnormal drive symptoms may occur while the Powertrain Control Module (PCM) relearns its adaptive strategy. The vehicle may need to be driven 16 km (10 miles) or more to relearn the strategy.
- Make sure to tighten bolts to specification shown in image(s).