Two Technicians Are Explaining How to Replace a VGT (Variable-Geometry

question 50

Multiple Choice

Two technicians are explaining how to replace a VGT (variable-geometry turbocharger) actuator. Technician A says that you hold and shake the sector gear inside the turbocharger to check for excessive movement, which would indicate a failed bearing in the sector shaft. Technician B says that if the sector gear does not sweep freely, the turbocharger will need to be replaced. Who is right?

• A)A only"
• B)B only"
• C)Both A and B
• D)Neither A nor B"

---

Definitions:

Phosphate Groups

Chemical groups containing one phosphorus atom bonded to four oxygen atoms, important for energy transfer and storage in cells.

Glycolysis

Glycolysis is the metabolic pathway that breaks down glucose into pyruvate, generating ATP and NADH as energy sources for the cell, occurring in the cytoplasm of cells.

NADH Molecules

Nicotinamide adenine dinucleotide (NAD) plus hydrogen (H), an important coenzyme in the body that plays a key role in the energy production process within cells through redox reactions.

Pyruvate Molecules

Organic compounds that play a pivotal role in energy production pathways, such as glycolysis and the Krebs cycle, within cells.