22. While conducting a cylinder leakage test, bubbles 24. Technician A says that excessive grinding of valve are seen in the coolant in the radiator. Technician A faces and seats allows the valve lips to move too far says & falled exhaust valve is the cause. Technician B away from their spring seats. Technician B says grind- says a failed intake valve is the cause. Who is fight? ing the stem tips helps to correct minor changes in A. Technician A only valve spring installed height. Who is right? B. Technician S only A. Technician A only C. Both A and B B. Technician B only C. Both A and B D. Neither A orB D. Neither A orB O A. Technician A only A. Technician A only O B. Technician B only O B. Technician B only O C. Both A and B O C. Both A and B D. Neither A nor B O D. Neither A nor B Question 23 1 pts Question 25 23. Technician A says that umbrella valve seals are in- stalled in their operating position during cylinder head 25. Technician A says that excessive cylinder head or assembly. Technician B says that positive valve seals block deck resurfacing on a pushrod engine can are positioned by the valve. Who is right? change the geometry between the valve stem tip and A. Technician A only rocker arm. Technician B says that excessive grinding B. Technician B only C. Both A and B of the valve face and seat changes the geometry be D. Neither A orB ween the valve stem tip and rocker arm. Who is right? A. Technician A only B. Technician B only C. Both A and B A. Technician A only D. Neither A orB O B. Technician B only O A. Technician A only O C. Both A and B O B. Technician B O D. Neither A nor B O C. Both A and B O D. Neither A nor B Question 24 1 pts Question 26