Workshop Manuals Factory service & repair Alfa Romeo
01 General data and specifications02 Engine (Twin Spark, JTD and V6)03 Clutch04 Gearbox (manual, Selespeed and Q-System)05 Front axle06 Brakes, ABS and traction control07 Steering08 Suspension and wheels09 Heating, air conditioning and washers10 Electrical equipment11 Body12 Body panels and reinforcement13 Wiring diagrams14 Connectors and pin-outs15 Wiring harnesses16 Fault diagnosis17 Special tools
Alfa Romeo 156 Factory Service Manual (1997-2002)12 · Body panels and reinforcement
12 · Body & interior

Central pillar

Make
Alfa Romeo
Model
156 Factory Service Manual
Year
1997–2002
Section
Removal and refitment › Central pillar
Body panels and reinforcementCentral pillar

Central pillar

Operation 7210B10 · Structure elements-central and rear part

Removal

Central pillar

Check if any of the connected parts are deformed by checking body alignment dimensions. Use appropriate measurement tools (reference rigs, templates or gauges).

Straighten the body if necessary.

Central pillar

1 Remove the PVC treatment from the door sill using a pneumatic knife and appropriate blade.

2 Use a rotary brush to clean the panel edges in order to expose the weld spots.

3 Undo bolts 3a and remove rear door hinges 3b.

Central pillar

1 Use a circular saw to follow the cutting lines shown in the figure.

2 Cross-sections of key areas as a guide to allow the operator to adjust cutting position and depth in order to avoid damage to the underlying panels.

3 Use a chamfering machine to crop weld points around the edge of the pillar.

4 Drill out weld points in the areas shown in the figure.

Use a chisel and mallet to remove spots ground previously.

5 Remove the pillar.

Central pillar

1 Use an air saw to cut inner reinforcement 1a in line with the upper edge 1b of the inner trim.

2 Use a chamfering machine to remove the weld spots shown in the figure.

Use a chisel and mallet to remove spots drilled previously.

3 Remove the car inner reinforcement.

Central pillar

1 Use a chamfering machine to remove the spot welds shown in the figure.

2 Drill out the weld spots shown in the figure.

Use a chisel and hammer to remove spots ground previously.

3 Remove the interior trim.

Central pillar

1 Use a drill to make equidistant holes as shown in the figure.

Straighten the car edges using a mallet and profiled stake.

Use a grinding wheel to remove the weld spot residues.

Use a rotary brush to clean treated areas.

2 Apply the electric weld paint finish.

Central pillar

1 Cut the central pillar and reinforcement at the bench. Take care to leave a sufficiently wide section of steel to attach the new part to.

2 Use a drill to make holes at the points indicated.

3 Use a rotary brush to remove the corrosion-proofing from around the inner and outer edge.

Apply electrogalvanised paint on the newly-treated eges.

Refitting

Central pillar

1 Position the inner trim correctly on the car and secure using self-locking grippers.

Check the dimension shown in the box.

2 Tack the part by carrying out some spot welds.

Central pillar

1 Fit the pillar reinforcement correctly to the car using self-locking clips.

2 Use the seat belt bolt to locate the part.

3 Use a pneumatic saw to trim the panels and remove excess parts.

4 Refit the rear door hinge halves using the bolts.

Central pillar

1 Fit the rear door.

2 Fit the front door.

Check alignment and gaps around the edges, then remove the door and hinges.

Central pillar

1 Tack the pillar reinforcement by carrying out some spot welds.

2 Use a MIG welder to seam weld the edge shown in the figure.

Use a grinding wheel to level the welds made previously

Apply rust-proofing to newly treated areas.

Central pillar

1 Lay the pillar on the car correctly and secure using self-locking grippers.

2 Fit the rear door hinge halves.

3 Fit the rear door.

4 Fit the front door.

Check alignment and gaps around the edges, then remove the door and hinges.

Remove the door hinge halves.

Central pillar

1 Use a circular saw to cut the door sill ready for fitting by laying it in place.

Use a circular saw to cut the upper part ready for fitting by laying it in place.

2 Trim off any excess from the panel.

Central pillar

1 Use a MIG welder to seam weld the upper edge and door sill.

2 Use a MIG welder to fill the holes made previously.

3 Use a spot welder to weld the areas shown in the figure.

Central pillar

Correct any deformations in the panel using a profiled stake and mallet.

Crimp the reference tabs.

1 Use a grinding wheel to level the weld and remove.

Use a rotary brush to clean the newly-welded areas.

Central pillar

1 Apply rust-proofing to newly-welded areas.

Seal the joint lines between the part and the car.

Apply paint.

2 Apply wax oil inside the door sill.

Parts & tools for this job For 1997 Alfa Romeo 156

Links open Amazon search results in a new tab. As an Amazon Associate I earn from qualifying purchases.