VOLVO'S Drive-E Engines

Courtesy of VOLVO CARS CORPORATION

1. Cylinder head
   • Chill cast cylinder head and die cast camshaft bearing housing, both made of a light metal alloy.
2. Cylinder block
   • Manufactured in die cast aluminum alloy.
   • Has an open water mantle where coolant flows freely around the upper section of the cylinders.
   • The cylinder liners are made of cast iron and cast in the piece.
3. Intermediate section
   • Made of die cast aluminum alloy.
   • The crankshaft's bearing caps are made of cast iron and are cast in the piece.
4. Oil sump
   • Made of die cast aluminum alloy.

The surfaces between the different parts are sealed with a silicone based sealing compound, so-called RTV-silicone (Room Temperature Vulcanizing silicone), except between the block and cylinder head where a four layer metal gasket is used.