Engine Blog

Service Engineering Bulletin - SB043

 

One of the most common causes of head gasket failures (composite and MLS) is the

application of sealing compounds to the gaskets at the point of cylinder head installation. The

more common of the compounds used include Hylomar...

Service Engineering Bulletin - SB005

A diesel injection system must deliver (meter) the right amount of fuel, in the right form (atomised), in the
right place (spray pattern), at the right time (system timing). With everything correct, combustion takes...

Service Engineering Bulletin - SB004

 
At one time cylinder head bolts were only replaced when the threads became worn or damaged. Engine
rebuild instructions will now often require detailed cylinder head bolt tensioning procedures, demand new
bolts at...

Service Engineering Bulletin - SB003

 
Satisfactory combustion of diesel fuel requires extremely fine atomisation of the fuel and precise regulation of the start and finish
timing of the injection period. The normal pressure cycle of diesel combustion can be...

Service Engineering Bulletin - SB002

 
Before fractures can be prevented, we must understand the causes. Piston ring lands may be fractured by an upward force, or a downward force. Fracture faces are seldom vertical. Usually the angle of the fracture line will indicate the...

Service Engineering Bulletin - SB001

Liner flange fractures may go unnoticed if the liner body stays in position, but if the liner body is pulled down the cylinder, the result could be a completely wrecked engine. Cylinder liners are made from centrifugally cast iron, with ...