Operation CHARM: Car repair manuals for everyone.

Front Seat Belt Pretensioner

CAUTION: Tampering with the front seat belt pretensioner creates the risk of injury from on unexpected deployment. There for the front seat belt pretensioner should never e disassembled.

The front seat belt pretensioner is a electronically controlled pyrotechnical reactor which reduce seat belt slack when it is activated in head-on or angled front collision. The front seat belt pretensioner must be replaced after an accident that causes its activation.