Notes on application of sealant timing case cover - AH01.40-P-1000-01B
WARNING: This page does not describe the selected car, but rather 28 other vehicles, including the 2012 Mercedes-Benz GL550, 2012 Mercedes-Benz GL450, 2011 Mercedes-Benz ML63, 2011 Mercedes-Benz ML550, and 2011 Mercedes-Benz ML350. However, it is still accessible from the selected car via links, so may be relevant.
Engine 112, 113
Application of sealant to timing case cover
The timing case cover is sealed with a silicone sealant at points A, C, D.
No sealant must be applied to the timing case cover at points B
, pressure oil galleries to crankcase, with the exception around the bolt hole G
. Sealant which is applied to the points B
, is entrained by the oil flow and blocks the oil supply drillings of: Main bearings, camshaft bearings, rocker arms and oil spray nozzles.
Clean sealing surfaces
Apply sealant only to the specified surfaces with a bead of 2.0 mm ± 0.5 mm.
The sealant must be applied within 10 minutes!
The silicone bead must not be spread. Only the silicone sealant listed in the section Repair products may be used.