Home/Citroen/C4/Citroen C4 I (2004-2014)/Repair manual/Side structure/Replacement: outer sill section under front door
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Replacement: outer sill section under front door Citroen C4 I

Side structure ~230 words

WarningAll of the stripped surfaces must be protected by means of the approved electrolytic rezincing process: reference C8

WarningObserve the elementary rules of hygiene and safety (wear a face mask to protect against fumes and vapour - work in a well ventilated space)

Additional operations

Disconnect the battery

Remove-refit the following components

  • Front door
  • Front seat

Detrim-trim the floor carpet (partly)

Release the wiring harnesses

Replacement part

Outer sill

Replacement part preparation

Figure 1

(1) outer sill

Mark then saw out (at "a" and "b")

Preparation of the mating edges and protection with a weldable primer

Separating

Figure 2

NoteDo not cut the exterior longeron (1) in the area of the front pillar (2), by reason of the proximity of the strengthener

Mark then saw out (at "c" and "d")

Remove the spot welds with an 8 mm drill

Remove the exterior longeron (1)

Bodywork cleaning and preparation

Figure 3

Preparation of the mating edges and protection with a weldable primer

Welding

Fit the exterior longeron (1)

Weld by MAG bead (at "c" and "d") (see figure 2)

Weld with electric spot welds (see figure 2)

Sealing - protection

Paint then spray into the hollow sections, product index C5, in the repair zone

Reinitialisation

Reconnect the battery

WarningPerform the operations to be carried out following reconnection of the battery (see the relevant operation)