Contents Wiring diagrams Section: Side structure All sections

Replacement outer sill Peugeot 406 I

Side structure ~324 words

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

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

Complementary operation(s)

Removal-fitting

  • Front door
  • Rear door
  • Front wing
  • Door aperture seal (before - rear)
  • Side sill dirt excluder seal
  • Rear seat cushion
  • Rear seat backrest
  • Rear mud shield

Remove-refit trim

  • Part front and rear floor
  • Front pillar
  • Centre pillar

Release the wiring harnesses

Identification of the replacement parts

Outer sill

Composition

(1) sill front closing panel

(2) outer sill

Parts required

Outer sill

Preparation of the new part

Mark out then drill 6,5 mm holes for later plug welding

Cutting out

Mark cut then out with a 1 mm thick wheel

(provisional cut)

Mark cut then out with a 1 mm thick wheel

(provisional cut)

Mark cut then out with a 1 mm thick wheel

(provisional cut)

Cut out by milling out the spot welds

Cut out by milling out the spot welds

Cut out by milling out the spot welds (at A)

Cut with a 6 mm thick wheel (at B)

Remove the component

Separating

Prepare the mating edges

Protect the edges of the original and the new parts with welding primer

Adjustment

Fit

  • Outer sill
  • Front door
  • Rear door
  • Front wing

Check the clearances

Remove

  • Front wing
  • Front door
  • Rear door

Mark out the cuts

Remove the exterior longeron

Clean up the cuts (at C)

Apply supporting structural adhesive (at D)

Welding

Fit the exterior longeron

MIG stitch weld

Grind the welds

MIG plug weld

Grind the plug welds

MIG plug weld (at E)

Grind the plug welds

Weld with electric spot welds (at F)

Using equipment AB1

Weld with electric spot welds

Using equipment AB1

Finish

Lead load

Sealing

Apply a mastic to be smoothed using a brush

Protection

Apply an anti-chip layer

Spray liquid wax