41 00... Opening Adhesive Bonds
WARNING: This page is about a different car, the 2008 BMW Alpina and 2007 BMW Alpina. However, it is still accessible from the selected car via links, so may be relevant.
- Opening spot-weld bonds
- Set punch mark in center of weld spot. Set 8 mm dia. weld spot drill bit on punch mark and drill through top metal sheet.
Or open weld spot with Vario Drill spot welding cutter (refer to WORKSHOP EQUIPMENT & PLANNING CD , Chapter 7).
NOTE: Because the weld spots may have surface-hardened, grind them if necessary with an angle grinder and paper grinding disk. - Heat connecting flange with a hot air blower.CAUTION: Extract vapors and gases.
- Release connection flange with chisel.
- Grind off residual adhesive from connecting flange.CAUTION: Wear a grinding dust mask.
- Set punch mark in center of weld spot. Set 8 mm dia. weld spot drill bit on punch mark and drill through top metal sheet.
- Opening adhesive bonds on aluminum parts
- Remove punch rivets or blind rivets.
- Roughly cut out damaged component. The component can be peeled with the aid of pliers. If necessary, heat bonding flange with hot air blower.
- Extract vapors and gases.
- Grind off residual adhesive from connecting flange.CAUTION: Wear a grinding dust mask.
- If engine carrier part replacement on the GRAV is carried out repeatedly, cut the damaged part at the existing cutting line. Heat bonding flanges with a hot air blower. Peel off remnants of expander elements with pliers.
CAUTION: Heat only the damaged component with a hot air blower. - Opening adhesive bonds on carbon-fibre-reinforced plastic parts Procedure is described in detailed in the relevant repair instructions.