Front half-assembly
This part can be replaced in two ways:
- Complete: additional operation to the wing side for a side collision.
- Partial: per cuts (a): additional operations to the partial wing side replacement for a front collision.
The cut positions given in the procedures cannot be offset; they are determined by those of the inner panels and reinforcements.
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).
Where spot welds cannot be made with the spot welder, they may be replaced with plug welds.
Use of the repair bench is essential.
Note: For this operation, it is necessary to additionally order the torque rod reaction support (a) or the connecting bracket (a'), depending on the side of the impact.REPLACEMENT PART CONTENTS
Part assembled with:
Front side member assembly
Front side member closing panel assembly
Battery tray support assembly (left side)
Engine mount support assembly (right side)
Wheel arch assembly
Front subframe rear box assembly
Front subframe front box assembly
Front extreme cross member
Front central floor side cross member
Right-hand side

Left-hand side

PARTS CONCERNED (thickness in mm):
- Front side member 1.7/2.5
- Front side member front section closure 1.7/3
COMPLETE REPLACEMENT


For the left-side operation, it is necessary to additionally order the connecting bracket (a').
OPERATION ON THE SIDE MEMBER FOR PARTIAL REPLACEMENT
Note: Partial replacement of the half-body is identical to the method for replacing the front side member front section per cut (b) and to the method for replacing the front side member closing panel front section per cut (b).Operation on the side member

Note: The cut is made at the joining line.
View from inside, left side

Right-side specifics

Do not reuse the connecting bracket previously unclipped; the connecting bracket is available from the spare parts department.
Preparing the replacement part

When cutting, take care to preserve the rear inner reinforcement (C).
OPERATION ON THE SIDE MEMBER CLOSING PANEL FOR PARTIAL REPLACEMENT

Note: The cut is made along the joining line.
REMINDER:
Refer to the relevant chapters for method information concerning:
the wheel arch,
the front extreme cross member,
the engine mount,
the front subframe rear box,
the front central floor side cross member.
Test yourself
A quick Renault Megane quiz: every answer comes with an explanation and a link to the manual page.