Bonding Steel On Steel (Cooper, Cooper S, John Cooper Works)

2019 Mini Cooper Base, 2D Convertible, Automatic TransSECTION Bonding Steel On Steel (Cooper, Cooper S, John Cooper Works)
IMPORTANT: These repair instructions apply to structural components.
Such components include engine mounts, A-pillars, B-pillars, etc.
Follow the vehicle-specific repair instructions.
Only use the repair procedures described there.
Conform with safety regulations! (See INFORMATION ON HAZARDS (COOPER, COOPER S, JOHN COOPER WORKS)  And SAFETY AT WORK (COOPER, COOPER S, JOHN COOPER WORKS) .

Overview of topics: 

  1. Equipment
  2. Preparing the surface
  3. Bonding coat
  4. Hardening times
  5. Subsequent treatment

1.0 Equipment 

2.0 Preparing the surface: 

  • Remove coarse dirt from the bonding surfaces using solvent cleaner R2.
  • Clean bonding surfaces using R1 solvent cleaner prior to sanding.
  • Remove paint from bonding surfaces using a wire brush or sandpaper with 120 graining.
  • Clean bonding surfaces with cleaning agent R1.
  • Allow cleaned surfaces to dry for approx. 5 minutes.

    Bonding surfaces must be completely dry.

3.0 Adhesive application: 

  • Processing temperature of glue cartridge 18°C - 30°C.
  • Object temperature, vehicle and new parts, min. 15°C.
  • After applying the adhesive, check whether an adhesive component has emerged at the back of the glue cartridge. If yes, break off the bonding procedure. Clean new part. Use new glue cartridge.
  • Join components and secure in position.
  • Remove excess adhesive. Do not use solvent cleaning agents.

4.0 Hardening times: 

5.0 Subsequent treatment of bonding surfaces: 

  • Protect the repair area with cavity sealant.
RENDER: 1.0x

NO RELATED

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • You smell fuel, burning insulation, or see smoke.
  • Brakes feel soft, pull hard to one side, or make grinding noises.
  • The engine overheats, stalls repeatedly, or misfires under load.
  • You are missing required tools, torque specs, or safe lifting equipment.
  • You are not confident in the next step or safety outcome.