Electrical equipment

Front belt pretensioner

~1min read

Essential equipment

diagnostic tool

Tightening torques

pretensioner mounting bolt 2.1 daN.m

REMOVAL

IMPORTANT

Before removing any component of the safety system, lock the airbag control unit using the diagnostic tool. When this function is active, all firing circuits are inhibited and the airbag warning light on the instrument panel comes on steady (ignition on).

Prétensionneur de boucle ava
  • Remove the plastic cover (see bodywork repair manual).
Prétensionneur de boucle ava
  • Remove:
  • the pretensioner connector,
  • the pretensioner mounting bolt (1),
  • the pretensioner assembly.
IMPORTANT

For disposal of an undeployed pretensioner, (see Airbags and Pretensioners chapter, Airbag and Pretensioner Control Unit, page 88C-39).

INSTALLATION

  • Refit in the reverse order of removal.
WARNING

After a pretensioner has deployed, certain parts must be replaced without fail (see Airbags and Pretensioners chapter, Airbag and Pretensioner Control Unit, page 88C-39).

  • Observe the routing and mounting points of the wiring under the seat.
Prétensionneur de boucle avant
  • Tighten the pretensioner mounting bolt to torque (2.1 daN.m) (1).
IMPORTANT

Check the airbag ECU using the diagnostic tool.

  • If everything is correct, unlock the airbag control unit; otherwise, refer to the diagnostic manual.

Test yourself

A quick Renault Megane quiz: every answer comes with an explanation and a link to the manual page.