Describe how you lap valve seats.
What will be an ideal response?
To begin lapping, apply a thin coating of lapping compound to the face of the valve. Insert the valve into the guide and rotate the valve back and forth with a lapping tool. Prussian Blue can be used to check the contact between the valve and its seat.
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A worn flexible coupling in the steering column may cause a rattling noise while the vehicle is driven.
Answer the following statement true (T) or false (F)
When are trace minerals toxic to livestock?
What will be an ideal response?
The ability to measure AC current is useful when diagnosing ________
A) Starter motor operation B) Alternator function C) Resistance in a battery cable D) None of these
Fuel pump pressure is too low after engine start-up. Which of these could be the cause?
A) Excessive system voltage B) Defective fuel pump rely C) Plugged fuel filter D) Restricted fuel return line