Bodywork

Sill reinforcement

8steps
~48min
2/5difficulty
Done 0 of 8

This part can be replaced in different ways depending on the version:

5-DOOR VERSION

  • Complete, complementary to the full sill replacement.
  • Partial:
  1. cuts (a) and (b) complementary to cuts (a) and (b') of the sill.
  2. cuts (a) and (c) complementary to cuts (a), (c) and (d') of the sill.
  3. cuts (b) and (c) complementary to cut (b) or (b'), (c) and (d) of the sill.

3-DOOR VERSION

  1. Complete, complementary to the full sill replacement.
  2. Partial:
  3. cuts (a) and (b) complementary to cuts (a) and (b') of the sill.
  4. cuts (a) and (c) complementary to cuts (a) and (c) of the sill.
  5. cuts (b) and (c) complementary to cut (b) or (b') and (c) of the sill.

In the method described below, you will only find the descriptions and joins specific to the part concerned.

Information on related parts is covered in their respective sections (see contents).

Note: If the spot welds cannot be made with the spot cutter, they can be replaced with plug welds.

The combination of cuts is selected according to the deformation.

REPLACEMENT PART CONTENTS

Supplied assembled with:
Upper front pillar hinge reinforcement.
Lower front pillar hinge reinforcement.
Clinch nut M8 (X2).
Welded bolt M8X125-18.

5-door version

Renfort de bas de caisse

3-door version

Renfort de bas de caisse

DETAIL OF INFLATABLE INSERT POSITIONS

Front pillar, 3- and 5-door versions

Renfort de bas de caisse

Centre pillar, 5-door version

Renfort de bas de caisse

Centre pillar, 3-door version

Renfort de bas de caisse

Note: The inserts clip onto the sill reinforcement before welding.

PART IN POSITION

5-door version

Renfort de bas de caisse

Detail of cut on front pillar, 3- and 5-door versions

Renfort de bas de caisse

Detail of cut on rocker panel, 3- and 5-door versions

Renfort de bas de caisse

Cut (b) is made next to the splice joint.

Detail of cut on centre pillar, 5-door version

Renfort de bas de caisse

Detail of rear cut, 3-door version

Renfort de bas de caisse

The rest of the replacement method is identical to the 3-door version.

Example of cut combination (a) and (b).

Renfort de bas de caisse

Test yourself

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