BMW X3 Service & Repair Manual: Opening bonded connections

BMW X3 Service & Repair Manual / Body and Frame / Body repair instructions / Opening bonded connections

1. Opening spot-welded adhesive joint OPEN WELDING SPOTS.

WARNING: Extract vapors and gases.

Use personal protective clothing/equipment.

Heat connecting flange with a hot air blower. Heat components to max. 250 ÂºC object temperature.

Release connecting flange with chisel.

Remove adhesive residue from connecting flange.

2. Opening bonded connections If necessary, open existing PUNCH OR BLIND RIVETS.

Roughly cut out damaged component.

WARNING: Extract vapors and gases.

Use personal protective clothing/equipment.

Heat adhesive flange with a hot air blower. Heat components to max. 250 ÂºC object temperature.

The component can be peeled with the aid of pliers. Do not damage adjacent components.

Remove adhesive residue from connecting flange.

3. Opening bonded connections on aluminum roofs Procedure is described in detailed in the relevant repair instructions.

4. Opening bonded connections on carbon-fibre-reinforced plastic parts Procedure is described in detailed in the relevant repair instructions.

OPENING BRAZED CONNECTIONS

The "Bonding and Riveting" repair method involves replacing the watertight brazed connection with adhesive.

This gives rise to a new procedure for opening brazed connections.

Grind brazed seam with a belt grinder. This keeps the influence of heat in the area around the brazed seam as small as possible.

IMPORTANT: Never use a gas flame.

All traces of brazing solder do not have to be removed.

Do not grind body panels thin.

Notes on using temperature-controlled infra-red radiators

When using temperature-controlled infrared radiators, damage to adhesive bonds, paint and vehicle components can occur when drying spatula and filler ...

Opening rivet connections

Different rivet types are used on BMW vehicles. 1. Opening blind rivets: 1.1 Loosening blind rivets (N1, N2, N7, N8, N9 and N10): Grind off blind ...

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