The intake valves in a diesel engine are reseated by （）.

A.cylinder head water outlet header
B.cylinder jacket inlet main
C.heat exchanger inlet connection
D.jacket water pump suction line

A.main bearings
B.connecting rod bearings
C.piston pin bushings
D.All of the above

A.furnace to be re-purged
B.electric charge to buildup in the igniter
C.fuel pump to restart
D.dram level to stabilize