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Remove sealant - AR01.00-P-0050-01A

Engine all (G-Wagon, light vans, cars, heavy vans, Smart) 

MODIFICATION NOTES

11.05.2021 Document completely revised.    
REPAIR MEASURES

Number Description Order number
BR00.45-Z-1038-04A Loctite 7200 Henkel AG & Co. KGaA
BR00.45-Z-1046-04A Cleaning spray Loctite 7063 (400 ml) A 001 986 71 71 09
  1. Using a lint-free dry cloth, remove dirt, oil, and other contaminants from the sealing surfaces.
  2. Spray Loctite 7200 adhesive and sealant remover onto the sealing surfaces and allow it to take effect for approximately 10 to 20 minutes.

    IMPORTANT Use only the approved adhesive and sealant remover for cleaning.

    IMPORTANT Observe the manufacturer's processing instructions.

  3. Remove dissolved silicone sealant from the sealing surfaces and wipe with a lint-free dry cloth.

    NOTES Do not use sharp-edged tools or sandpaper.

    Otherwise, the sealing surfaces can be damaged and, as a result, the engine and the environment can be damaged.

    NOTES The removal of seal residues using mechanical processing, sandpaper, or other abrasive materials is not permitted.

    Engine damage can result from even the smallest amounts of abrasive particles and abrasion introduced into the engine oil space, the bearings, or the combustion chambers.

    IMPORTANT The sealing surfaces must then feel even. The sealing surfaces do not have to be bare metal. Thin layers of the firmly adhering silicone sealant may remain (see illustration).

    G07008026Courtesy of MERCEDES-BENZ USA
  4. Thoroughly clean the sealing surfaces using Loctite 7063 cleaning spray. Blow dry with compressed air.

    NOTES Allow the Loctite 7063 cleaning spray to evaporate completely before applying the new silicone sealant.

    Otherwise there may be leaks.