Technician A says a new or rebuilt engine should have the idle maintained above 1500 rpm for at least 20 minutes to insure proper lubrication and break in. Technician B says long periods of idle are hard on the camshaft. Who is correct?
A)Technician A
B)Technician B
C)Both technicians
D)Neither technician

Question

Quizplus · Accepted Answer

Both technicians are correct. A new or rebuilt engine should have the idle maintained above 1500 rpm for at least 20 minutes to insure proper lubrication and break in. However, long periods of idle are hard on the camshaft.

Technician a Says a New or Rebuilt Engine Should Have